Apache HBase(二)

杀神lwz2024-03-29 14:33

目录

[一、Apache HBase](#一、Apache HBase)

[1、HBase Shell操作](#1、HBase Shell操作)

1.1、DDL创建修改表格

1、创建命名空间和表格

2、查看表格

3、修改表

4、删除表

1.2、DML写入读取数据

1、写入数据

2、读取数据

3、删除数据

2、大数据软件启动

一、Apache HBase

1、HBase Shell操作

先启动HBase。再进行下面命令行操作。

1、进入HBase客户端命令行

javascript 复制代码 
[root@node1 hbase-3.0.0]# bin/hbase shell
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/export/server/hadoop-3.3.6/share/hadoop/common/lib/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/export/server/hbase-3.0.0/lib/client-facing-thirdparty/log4j-slf4j-impl-2.17.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Reload4jLoggerFactory]
HBase Shell
Use "help" to get list of supported commands.
Use "exit" to quit this interactive shell.
For Reference, please visit: http://hbase.apache.org/book.html#shell
Version 3.0.0-beta-1, r119d11c808aefa82d22fef6cd265981506b9dc09, Tue Dec 26 07:40:00 UTC 2023
Took 0.0014 seconds
hbase:001:0>

2、查看帮助命令

能够展示HBase中所有能使用的命令，主要使用的命令有namespace命令空间相关，DDL创建修改表格，DML写入读取数据。

javascript 复制代码 
hbase:001:0> help
HBase Shell, version 3.0.0-beta-1, r119d11c808aefa82d22fef6cd265981506b9dc09, Tue Dec 26 07:40:00 UTC 2023
Type 'help "COMMAND"', (e.g. 'help "get"' -- the quotes are necessary) for help on a specific command.
Commands are grouped. Type 'help "COMMAND_GROUP"', (e.g. 'help "general"') for help on a command group.

COMMAND GROUPS:
  Group name: general
  Commands: processlist, status, table_help, version, whoami

  Group name: ddl
  Commands: alter, alter_async, alter_status, clone_table_schema, create, describe, disable, disable_all, drop, drop_all, enable, enable_all, exists, get_table, is_disabled, is_enabled, list, list_disabled_tables, list_enabled_tables, list_regions, locate_region, show_filters

  Group name: namespace
  Commands: alter_namespace, create_namespace, describe_namespace, drop_namespace, list_namespace, list_namespace_tables

  Group name: dml
  Commands: append, count, delete, deleteall, get, get_counter, get_splits, incr, put, scan, truncate, truncate_preserve

  Group name: tools
  Commands: assign, balance_switch, balancer, balancer_enabled, catalogjanitor_enabled, catalogjanitor_run, catalogjanitor_switch, cleaner_chore_enabled, cleaner_chore_run, cleaner_chore_switch, clear_block_cache, clear_compaction_queues, clear_deadservers, clear_slowlog_responses, close_region, compact, compact_rs, compaction_state, compaction_switch, decommission_regionservers, flush, flush_master_store, get_balancer_decisions, get_balancer_rejections, get_largelog_responses, get_slowlog_responses, hbck_chore_run, is_in_maintenance_mode, list_deadservers, list_decommissioned_regionservers, list_liveservers, list_unknownservers, major_compact, merge_region, move, normalize, normalizer_enabled, normalizer_switch, recommission_regionserver, regioninfo, rit, snapshot_cleanup_enabled, snapshot_cleanup_switch, split, splitormerge_enabled, splitormerge_switch, stop_master, stop_regionserver, trace, truncate_region, unassign, wal_roll, zk_dump

  Group name: replication
  Commands: add_peer, append_peer_exclude_namespaces, append_peer_exclude_tableCFs, append_peer_namespaces, append_peer_tableCFs, disable_peer, disable_table_replication, enable_peer, enable_table_replication, get_peer_config, list_peer_configs, list_peers, list_replicated_tables, peer_modification_enabled, peer_modification_switch, remove_peer, remove_peer_exclude_namespaces, remove_peer_exclude_tableCFs, remove_peer_namespaces, remove_peer_tableCFs, set_peer_bandwidth, set_peer_exclude_namespaces, set_peer_exclude_tableCFs, set_peer_namespaces, set_peer_replicate_all, set_peer_serial, set_peer_tableCFs, show_peer_tableCFs, transit_peer_sync_replication_state, update_peer_config

  Group name: snapshots
  Commands: clone_snapshot, delete_all_snapshot, delete_snapshot, delete_table_snapshots, list_snapshots, list_table_snapshots, restore_snapshot, snapshot

  Group name: configuration
  Commands: update_all_config, update_config, update_rsgroup_config

  Group name: quotas
  Commands: disable_exceed_throttle_quota, disable_rpc_throttle, enable_exceed_throttle_quota, enable_rpc_throttle, list_quota_snapshots, list_quota_table_sizes, list_quotas, list_snapshot_sizes, set_quota

  Group name: security
  Commands: grant, list_security_capabilities, revoke, user_permission

  Group name: procedures
  Commands: list_locks, list_procedures

  Group name: visibility labels
  Commands: add_labels, clear_auths, get_auths, list_labels, set_auths, set_visibility

  Group name: rsgroup
  Commands: add_rsgroup, alter_rsgroup_config, balance_rsgroup, get_namespace_rsgroup, get_rsgroup, get_server_rsgroup, get_table_rsgroup, list_rsgroups, move_namespaces_rsgroup, move_servers_namespaces_rsgroup, move_servers_rsgroup, move_servers_tables_rsgroup, move_tables_rsgroup, remove_rsgroup, remove_servers_rsgroup, rename_rsgroup, show_rsgroup_config

  Group name: storefiletracker
  Commands: change_sft, change_sft_all

SHELL USAGE:
Quote all names in HBase Shell such as table and column names.  Commas delimit
command parameters.  Type <RETURN> after entering a command to run it.
Dictionaries of configuration used in the creation and alteration of tables are
Ruby Hashes. They look like this:

  {'key1' => 'value1', 'key2' => 'value2', ...}

and are opened and closed with curley-braces.  Key/values are delimited by the
'=>' character combination.  Usually keys are predefined constants such as
NAME, VERSIONS, COMPRESSION, etc.  Constants do not need to be quoted.  Type
'Object.constants' to see a (messy) list of all constants in the environment.

If you are using binary keys or values and need to enter them in the shell, use
double-quote'd hexadecimal representation. For example:

  hbase> get 't1', "key\x03\x3f\xcd"
  hbase> get 't1', "key\003\023\011"
  hbase> put 't1', "test\xef\xff", 'f1:', "\x01\x33\x40"

The HBase shell is the (J)Ruby IRB with the above HBase-specific commands added.
For more on the HBase Shell, see http://hbase.apache.org/book.html
hbase:002:0>

查看命令使用方式以create_namespace为例

javascript 复制代码 
hbase:002:0> help 'create_namespace'
Create namespace; pass namespace name,
and optionally a dictionary of namespace configuration.
Examples:

  hbase> create_namespace 'ns1'
  hbase> create_namespace 'ns1', {'PROPERTY_NAME'=>'PROPERTY_VALUE'}
hbase:003:0>

上面命令中的list相当于数据库中的show命令。

问题：创建namespace报错！

javascript 复制代码 
hbase:002:0> create_namespace 'lwztest'
2024-03-24 23:23:21,813 INFO  [RPCClient-NioEventLoopGroup-1-1] Configuration.deprecation (Configuration.java:logDeprecation(1395)) -                                                                                                        hbase.client.pause.cqtbe is deprecated. Instead, use hbase.client.pause.server.overloaded
2024-03-24 23:23:24,628 WARN  [RPCClient-NioEventLoopGroup-1-2] client.AsyncRpcRetryingCaller (AsyncRpcRetryingCaller.java:onError(177                                                                                                       )) - Call to master failed, tries = 6, maxAttempts = 7, timeout = 1200000 ms, time elapsed = 2692 ms
org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not runn                                                                                                       ing yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.apache.hadoop.hbase.ipc.RemoteWithExtrasException.instantiateException(RemoteWithExtrasException.java:110)
        at org.apache.hadoop.hbase.ipc.RemoteWithExtrasException.unwrapRemoteException(RemoteWithExtrasException.java:100)
        at org.apache.hadoop.hbase.client.ConnectionUtils.translateException(ConnectionUtils.java:217)
        at org.apache.hadoop.hbase.client.AsyncRpcRetryingCaller.onError(AsyncRpcRetryingCaller.java:165)
        at org.apache.hadoop.hbase.client.AsyncMasterRequestRpcRetryingCaller.lambda$null$4(AsyncMasterRequestRpcRetryingCaller.java:7                                                                                                       6)
        at org.apache.hadoop.hbase.util.FutureUtils.lambda$addListener$0(FutureUtils.java:71)
        at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
        at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
        at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
        at org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin$1.run(RawAsyncHBaseAdmin.java:463)
        at org.apache.hbase.thirdparty.com.google.protobuf.RpcUtil$1.run(RpcUtil.java:79)
        at org.apache.hbase.thirdparty.com.google.protobuf.RpcUtil$1.run(RpcUtil.java:70)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:396)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:93)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:429)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:424)
        at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:117)
        at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:132)
        at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.readResponse(NettyRpcDuplexHandler.java:199)
        at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.channelRead(NettyRpcDuplexHandler.java:220)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:442)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.ja                                                                                                       va:412)
        at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
        at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:444)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.ja                                                                                                       va:412)
        at org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:442)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.ja                                                                                                       va:412)
        at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:141                                                                                                       0)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:440)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
        at org.apache.hbase.thirdparty.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.ipc.ServerNotRunningYetException): org.apache                                                                                                       .hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:391)
        ... 32 more
2024-03-24 23:23:26,673 WARN  [RPCClient-NioEventLoopGroup-1-2] client.AsyncRpcRetryingCaller (AsyncRpcRetryingCaller.java:onError(177                                                                                                       )) - Call to master failed, tries = 7, maxAttempts = 7, timeout = 1200000 ms, time elapsed = 4739 ms
org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not runn                                                                                                       ing yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.apache.hadoop.hbase.ipc.RemoteWithExtrasException.instantiateException(RemoteWithExtrasException.java:110)
        at org.apache.hadoop.hbase.ipc.RemoteWithExtrasException.unwrapRemoteException(RemoteWithExtrasException.java:100)
        at org.apache.hadoop.hbase.client.ConnectionUtils.translateException(ConnectionUtils.java:217)
        at org.apache.hadoop.hbase.client.AsyncRpcRetryingCaller.onError(AsyncRpcRetryingCaller.java:165)
        at org.apache.hadoop.hbase.client.AsyncMasterRequestRpcRetryingCaller.lambda$null$4(AsyncMasterRequestRpcRetryingCaller.java:7                                                                                                       6)
        at org.apache.hadoop.hbase.util.FutureUtils.lambda$addListener$0(FutureUtils.java:71)
        at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
        at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
        at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
        at org.apache.hadoop.hbase.client.RawAsyncHBaseAdmin$1.run(RawAsyncHBaseAdmin.java:463)
        at org.apache.hbase.thirdparty.com.google.protobuf.RpcUtil$1.run(RpcUtil.java:79)
        at org.apache.hbase.thirdparty.com.google.protobuf.RpcUtil$1.run(RpcUtil.java:70)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:396)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:93)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:429)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:424)
        at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:117)
        at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:132)
        at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.readResponse(NettyRpcDuplexHandler.java:199)
        at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.channelRead(NettyRpcDuplexHandler.java:220)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:442)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.ja                                                                                                       va:412)
        at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
        at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:444)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.ja                                                                                                       va:412)
        at org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:442)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.ja                                                                                                       va:412)
        at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:141                                                                                                       0)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:440)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.                                                                                                       java:420)
        at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650)
        at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
        at org.apache.hbase.thirdparty.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.ipc.ServerNotRunningYetException): org.apache                                                                                                       .hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:391)
        ... 32 more
2024-03-24 23:23:26,693 INFO  [RPCClient-NioEventLoopGroup-1-2] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onError(2730)) - Opera                                                                                                       tion: CREATE_NAMESPACE, Namespace: lwztest failed with Failed after attempts=7, exceptions:
2024-03-24T15:23:22.437Z, org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetExc                                                                                                       eption: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

2024-03-24T15:23:22.561Z, org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetExc                                                                                                       eption: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

2024-03-24T15:23:22.777Z, org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetExc                                                                                                       eption: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

2024-03-24T15:23:23.084Z, org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetExc                                                                                                       eption: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

2024-03-24T15:23:23.599Z, org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetExc                                                                                                       eption: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

2024-03-24T15:23:24.637Z, org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetExc                                                                                                       eption: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

2024-03-24T15:23:26.676Z, org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: org.apache.hadoop.hbase.ipc.ServerNotRunningYetExc                                                                                                       eption: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

ERROR: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
        at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:3288)
        at org.apache.hadoop.hbase.master.HMaster.checkInitialized(HMaster.java:3294)
        at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3471)
        at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:770)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:437)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
        at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)

For usage try 'help "create_namespace"'

解决方式：

  1. 停止hbase集群

  2. 在配置文件hbase-site.xml 文件中增加如下配置-->分发到集群其他机器

javascript 复制代码 
<property>
    <name>hbase.wal.provider</name>
    <value>filesystem</value>
</property>
  1. 重启hbase集群

1.1、DDL创建修改表格

1、创建命名空间和表格

此时操作成功！

javascript 复制代码 
hbase:001:0> create_namespace 'lwztest'
2024-03-24 23:33:51,354 INFO  [RPCClient-NioEventLoopGroup-1-1] Configuration.deprecation (Configuration.java:logDeprecation(1395)) - hbase.client.pause.cqtbe is deprecated. Instead, use hbase.client.pause.server.overloaded
2024-03-24 23:33:51,653 INFO  [RPCClient-NioEventLoopGroup-1-2] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onFinished(2725)) - Operation: CREATE_NAMESPACE, Namespace: lwztest completed
Took 1.3931 seconds
hbase:002:0> list
TABLE
0 row(s)
Took 0.0251 seconds
=> []
hbase:003:0> list_namespace
NAMESPACE
default
hbase
lwztest
3 row(s)
Took 0.0534 seconds
hbase:004:0> help 'create'
Creates a table. Pass a table name, and a set of column family
specifications (at least one), and, optionally, table configuration.
Column specification can be a simple string (name), or a dictionary
(dictionaries are described below in main help output), necessarily
including NAME attribute.
Examples:

Create a table with namespace=ns1 and table qualifier=t1
  hbase> create 'ns1:t1', {NAME => 'f1', VERSIONS => 5}

Create a table with namespace=default and table qualifier=t1
  hbase> create 't1', {NAME => 'f1'}, {NAME => 'f2'}, {NAME => 'f3'}
  hbase> # The above in shorthand would be the following:
  hbase> create 't1', 'f1', 'f2', 'f3'
  hbase> create 't1', {NAME => 'f1', VERSIONS => 1, TTL => 2592000, BLOCKCACHE => true}
  hbase> create 't1', {NAME => 'f1', CONFIGURATION => {'hbase.hstore.blockingStoreFiles' => '10'}}
  hbase> create 't1', {NAME => 'f1', IS_MOB => true, MOB_THRESHOLD => 1000000, MOB_COMPACT_PARTITION_POLICY => 'weekly'}

Table configuration options can be put at the end.
Examples:

  hbase> create 'ns1:t1', 'f1', SPLITS => ['10', '20', '30', '40']
  hbase> create 't1', 'f1', SPLITS => ['10', '20', '30', '40']
  hbase> create 't1', 'f1', SPLITS_FILE => 'splits.txt'
  hbase> create 't1', {NAME => 'f1', VERSIONS => 5}, METADATA => { 'mykey' => 'myvalue' }
  hbase> # Optionally pre-split the table into NUMREGIONS, using
  hbase> # SPLITALGO ("HexStringSplit", "UniformSplit" or classname)
  hbase> create 't1', 'f1', {NUMREGIONS => 15, SPLITALGO => 'HexStringSplit'}
  hbase> create 't1', 'f1', {NUMREGIONS => 15, SPLITALGO => 'HexStringSplit', REGION_REPLICATION => 2, CONFIGURATION => {'hbase.hregion.scan.loadColumnFamiliesOnDemand' => 'true'}}
  hbase> create 't1', 'f1', {SPLIT_ENABLED => false, MERGE_ENABLED => false}
  hbase> create 't1', {NAME => 'f1', DFS_REPLICATION => 1}

You can also keep around a reference to the created table:

  hbase> t1 = create 't1', 'f1'

Which gives you a reference to the table named 't1', on which you can then
call methods.
# 创建表
hbase:005:0> create 't_student','info','msg'
Created table t_student
2024-03-25 00:01:27,754 INFO  [RPCClient-NioEventLoopGroup-1-3] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onFinished(2701)) - Operation: CREATE, Table Name: default:t_student completed
Took 1.2346 seconds
=> Hbase::Table - t_student
hbase:006:0> list
TABLE
t_student
1 row(s)
Took 0.0084 seconds
=> ["t_student"]
2、查看表格
javascript 复制代码 
#创建表格
hbase:003:0> create 'lwztest:t_person', {NAME => 'info', VERSIONS => 5}, {NAME => 'msg', VERSIONS => 5}
Created table lwztest:t_person
2024-03-27 23:38:15,261 INFO  [RPCClient-NioEventLoopGroup-1-3] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onFinished(2701)) - Operation: CREATE, Table Name: lwztest:t_person completed
Took 1.2760 seconds
=> Hbase::Table - lwztest:t_person
#查看表格信息
hbase:005:0> describe 'lwztest:t_person'
Table lwztest:t_person is ENABLED
lwztest:t_person, {TABLE_ATTRIBUTES => {METADATA => {'hbase.store.file-tracker.impl' => 'DEFAULT'}}}
COLUMN FAMILIES DESCRIPTION
{NAME => 'info', INDEX_BLOCK_ENCODING => 'NONE', VERSIONS => '5', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', M
IN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', IN_MEMORY => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE =>
 '65536 B (64KB)'}

{NAME => 'msg', INDEX_BLOCK_ENCODING => 'NONE', VERSIONS => '5', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', MI
N_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', IN_MEMORY => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE =>
'65536 B (64KB)'}

2 row(s)
Quota is disabled
Took 0.1988 seconds
hbase:006:0>
3、修改表

alter

javascript 复制代码 
#修改表格
hbase:006:0> alter 't_student',{NAME =>'info',VERSIONS => 3}
Updating all regions with the new schema...
2024-03-27 23:45:24,377 INFO  [RPCClient-NioEventLoopGroup-1-8] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onFinished(2701)) - Operation: MODIFY, Table Name: default:t_student completed
Took 0.9728 seconds
hbase:008:0> describe 't_student'
Table t_student is ENABLED
t_student, {TABLE_ATTRIBUTES => {METADATA => {'hbase.store.file-tracker.impl' => 'DEFAULT'}}}
COLUMN FAMILIES DESCRIPTION
{NAME => 'info', INDEX_BLOCK_ENCODING => 'NONE', VERSIONS => '3', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', M
IN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', IN_MEMORY => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE =>
 '65536 B (64KB)'}
{NAME => 'msg', INDEX_BLOCK_ENCODING => 'NONE', VERSIONS => '1', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', MI
N_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', IN_MEMORY => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE =>
'65536 B (64KB)'}
2 row(s)
Quota is disabled
Took 0.0436 seconds

#删除信息使用特殊的语法
hbase:009:0> alter 't_student',NAME => 'msg',METHOD => 'delete'
Updating all regions with the new schema...
2024-03-27 23:47:58,313 INFO  [RPCClient-NioEventLoopGroup-1-8] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onFinished(2701)) - Operation: MODIFY, Table Name: default:t_student completed
Took 0.8596 seconds
hbase:010:0> describe 't_student'
Table t_student is ENABLED
t_student, {TABLE_ATTRIBUTES => {METADATA => {'hbase.store.file-tracker.impl' => 'DEFAULT'}}}
COLUMN FAMILIES DESCRIPTION
{NAME => 'info', INDEX_BLOCK_ENCODING => 'NONE', VERSIONS => '3', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', M
IN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', IN_MEMORY => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE =>
 '65536 B (64KB)'}
1 row(s)
Quota is disabled
Took 0.0453 seconds
#删除方式2
hbase:011:0>alter 't_student','delete' => 'msg'
4、删除表

shell中删除表格，需要先将表格状态设置为不可用

javascript 复制代码 
#表格设置为不可用
hbase:011:0> disable 't_student'
2024-03-27 23:51:11,305 INFO  [RPCClient-NioEventLoopGroup-1-8] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onFinished(2701)) - Operation: DISABLE, Table Name: default:t_student completed
Took 0.6848 seconds
hbase:012:0> describe 't_student'
Table t_student is DISABLED
t_student, {TABLE_ATTRIBUTES => {METADATA => {'hbase.store.file-tracker.impl' => 'DEFAULT'}}}
COLUMN FAMILIES DESCRIPTION
{NAME => 'info', INDEX_BLOCK_ENCODING => 'NONE', VERSIONS => '3', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', M
IN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 'ROW', IN_MEMORY => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE =>
 '65536 B (64KB)'}
1 row(s)
Quota is disabled
Took 0.0353 seconds

#删除表
hbase:013:0> drop 't_student'
2024-03-27 23:51:58,684 INFO  [RPCClient-NioEventLoopGroup-1-8] client.AsyncHBaseAdmin (RawAsyncHBaseAdmin.java:onFinished(2701)) - Operation: DELETE, Table Name: default:t_student completed
Took 0.3649 seconds
hbase:014:0>

1.2、DML写入读取数据

1、写入数据

在HBase中如果想要写入数据，只能添加结构中最底层的cell。可以手动写入时间戳指定cell的版本，推荐不写默认使用当前的系统时间。

javascript 复制代码 
#写入数据
hbase:001:0> put 'lwztest:t_person','1001','info:name','zhangsan'
2024-03-28 23:11:11,460 INFO  [RPCClient-NioEventLoopGroup-1-1] Configuration.deprecation (Configuration.java:logDeprecation(1395)) - hbase.client.pause.cqtbe is deprecated. Instead, use hbase.client.pause.server.overloaded
Took 0.2648 seconds
hbase:002:0> put 'lwztest:t_person','1001','info:name','zhangsan'
Took 0.0190 seconds
hbase:003:0> put 'lwztest:t_person','1001','info:name','lisi'
Took 0.0212 seconds
hbase:004:0> put 'lwztest:t_person','1001','info:age','20'
Took 0.0139 seconds
2、读取数据

读取数据的方法有两个：get和scan。

get最大范围是一行数据，也可以进行列的过滤，读取数据的结果为多行cell。

javascript 复制代码 
#读取数据
hbase:006:0> get 'lwztest:t_person','1001'
COLUMN                                          CELL
 info:age                                       timestamp=2024-03-28T23:13:30.749, value=20
 info:name                                      timestamp=2024-03-28T23:13:11.586, value=lisi
1 row(s)
Took 0.1166 seconds
#读取数据
hbase:007:0> scan 'lwztest:t_person'
ROW                                             COLUMN+CELL
 1001                                           column=info:age, timestamp=2024-03-28T23:13:30.749, value=20
 1001                                           column=info:name, timestamp=2024-03-28T23:13:11.586, value=lisi
1 row(s)
Took 0.0394 seconds
3、删除数据

删除数据的方法有两个：delete和deleteall。

delete表示删除一个版本的数据，即为1个cell，不填写版本默认删除最新的一个版本。

deleteall表示删除所有版本的数据，即为当前行当前列的多个cell。（执行命令会标记数据为要删除，不会直接将数据彻底删除，删除数据只在特定时期清理磁盘时进行）

javascript 复制代码 
#删除数据
hbase:008:0> delete 'lwztest:t_person','1001','info:name'
Took 0.0254 seconds
hbase:009:0> scan 'lwztest:t_person'
ROW                                             COLUMN+CELL
 1001                                           column=info:age, timestamp=2024-03-28T23:13:30.749, value=20
 1001                                           column=info:name, timestamp=2024-03-28T23:12:52.937, value=zhangsan
1 row(s)
Took 0.0130 seconds
#删除所有版本数据
hbase:010:0> deleteall 'lwztest:t_person','1001','info:name'
Took 0.0107 seconds
hbase:011:0> scan 'lwztest:t_person'
ROW                                             COLUMN+CELL
 1001                                           column=info:age, timestamp=2024-03-28T23:13:30.749, value=20
1 row(s)
Took 0.0083 seconds
hbase:012:0>

2、大数据软件启动

由于大数据相关的软件非常多，启动和关闭比较麻烦...自己写一个脚本，直接启动一个脚本把所有软件都起来。按照实际情况编写。

lwz-start.sh

bash 复制代码 
#!/bin/bash
echo "hadoop startup..."
start-all.sh

echo "zookeeper startup..."
zkServer.sh start

ssh root@node2 << eeooff 
zkServer.sh start
exit
eeooff
ssh root@node3 << eeooff 
zkServer.sh start
exit
eeooff

echo "hive startup..."
nohup /export/server/hive-3.1.3/bin/hive --service metastore &
nohup /export/server/hive-3.1.3/bin/hive --service hiveserver2 &

echo "HBase startup..."
start-hbase.sh

echo done!

lwz-stop.sh

bash 复制代码 
#!/bin/bash
echo "hadoop stop..."
stop-all.sh

echo "zookeeper stop..."
zkServer.sh stop

ssh root@node2 << eeooff 
zkServer.sh stop
exit
eeooff
ssh root@node3 << eeooff 
zkServer.sh stop
exit
eeooff

echo "hive stop..."

echo "HBase stop..."
hbase-daemon.sh stop master
hbase-daemon.sh stop regionserver

echo done!

3、HBase API

创建一个maven项目，在pom.xml中添加依赖

注意：会报错javax.el包不存在，是一个测试用的依赖，不影响使用

XML 复制代码 
<dependencies>
   <dependency>
       <groupId>org.apache.hbase</groupId>
       <artifactId>hbase-server</artifactId>
       <version>3.0.0-beta-1</version>
       <exclusions>
           <exclusion>
               <groupId>org.glassfish</groupId>
               <artifactId>javax.el</artifactId>
           </exclusion>
       </exclusions>
   </dependency>
   <dependency>
      <groupId>org.apache.hbase</groupId>
      <artifactId>hbase-client</artifactId>
      <version>3.0.0-beta-1</version>
   </dependency>
   <dependency>
      <groupId>org.glassfish</groupId>
      <artifactId>javax.el</artifactId>
      <version>3.0.1-b12</version>
   </dependency>
</dependencies>

Apache HBase(一)

请记住，你当下的结果，由过去决定；你现在的努力，在未来见效；
不断学习才能不断提高！磨炼，不断磨炼自己的技能！学习伴随我们终生！
生如蝼蚁，当立鸿鹄之志，命比纸薄，应有不屈之心。
乾坤未定，你我皆是黑马，若乾坤已定，谁敢说我不能逆转乾坤？
努力吧，机会永远是留给那些有准备的人，否则，机会来了，没有实力，只能眼睁睁地看着机会溜走。

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