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将数据从一个hbase表复制到另一个hbase表

[英]Copy Data from one hbase table to another

 原文  2013-09-22 10:36:40  7   2    hadoop/ hbase/ hive

问题描述

我创建了一个表hivetest，它还在hbase中创建名为'hbasetest'的表。 现在我想将'hbasetest'数据复制到另一个具有相同模式的hbase表（比如logdata）。 那么，任何人都可以帮助我如何在不使用配置单元的情况下将数据从'hbasetest'复制到'logdata'。 

CREATE TABLE hivetest(cookie string, timespent string, pageviews string, visit string, logdate string) 
STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler'
WITH SERDEPROPERTIES ("hbase.columns.mapping" = "m:timespent, m:pageviews, m:visit, m:logdate")
TBLPROPERTIES ("hbase.table.name" = "hbasetest");

更新的问题：

我已经像这样创建了表logdata。 但是，我收到以下错误。 

create 'logdata', {NAME => ' m', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', MIN_VERSIONS =>'0', TTL => '2147483647', BLOCKSIZE=> '65536', IN_MEMORY => 'false', BLOCKCACHE => 'true'}

13/09/23 12:57:19 INFO mapred.JobClient: Task Id : attempt_201309231115_0025_m_000000_0, Status : FAILED
org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: Failed 755 actions: org.apache.hadoop.hbase.regionserver.NoSuchColumnFamilyException: Column family  m does not exist in region logdata,,1379920697845.30fce8bcc99bf9ed321720496a3ec498. in table 'logdata', {NAME => 'm', DATA_BLOCK_ENCODING => 'NONE', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', COMPRESSION => 'NONE', VERSIONS => '3', TTL => '2147483647', MIN_VERSIONS => '0', KEEP_DELETED_CELLS => 'false', BLOCKSIZE => '65536', ENCODE_ON_DISK => 'true', IN_MEMORY => 'false', BLOCKCACHE => 'true'}
    at org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3773)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320)
    at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)
: 755 times, servers with issues: master:60020, 
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1674)
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1450)
    at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:916)
    at org.apache.hadoop.hbase.client.HTable.close(HTable.java:953)
    at org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.close(TableOutputFormat.java:109)
    at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.close(MapTask.java:651)
    at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:766)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
    at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
    at org.apache.hadoop.mapred.Child.main(Child.java:249)

13/09/23 12:57:29 INFO mapred.JobClient: Task Id : attempt_201309231115_0025_m_000000_1, Status : FAILED
org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: Failed 755 actions: org.apache.hadoop.hbase.regionserver.NoSuchColumnFamilyException: Column family  m does not exist in region logdata,,1379920697845.30fce8bcc99bf9ed321720496a3ec498. in table 'logdata', {NAME => 'm', DATA_BLOCK_ENCODING => 'NONE', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', COMPRESSION => 'NONE', VERSIONS => '3', TTL => '2147483647', MIN_VERSIONS => '0', KEEP_DELETED_CELLS => 'false', BLOCKSIZE => '65536', ENCODE_ON_DISK => 'true', IN_MEMORY => 'false', BLOCKCACHE => 'true'}
    at org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3773)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320)
    at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)
: 755 times, servers with issues: master:60020, 
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1674)
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1450)
    at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:916)
    at org.apache.hadoop.hbase.client.HTable.close(HTable.java:953)
    at org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.close(TableOutputFormat.java:109)
    at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.close(MapTask.java:651)
    at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:766)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
    at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
    at org.apache.hadoop.mapred.Child.main(Child.java:249)

13/09/23 12:57:38 INFO mapred.JobClient: Task Id : attempt_201309231115_0025_m_000000_2, Status : FAILED
org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: Failed 755 actions: org.apache.hadoop.hbase.regionserver.NoSuchColumnFamilyException: Column family  m does not exist in region logdata,,1379920697845.30fce8bcc99bf9ed321720496a3ec498. in table 'logdata', {NAME => 'm', DATA_BLOCK_ENCODING => 'NONE', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', COMPRESSION => 'NONE', VERSIONS => '3', TTL => '2147483647', MIN_VERSIONS => '0', KEEP_DELETED_CELLS => 'false', BLOCKSIZE => '65536', ENCODE_ON_DISK => 'true', IN_MEMORY => 'false', BLOCKCACHE => 'true'}
    at org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3773)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320)
    at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)
: 755 times, servers with issues: master:60020, 
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1674)
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1450)
    at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:916)
    at org.apache.hadoop.hbase.client.HTable.close(HTable.java:953)
    at org.apache.hadoop.hbase.mapreduce.TableOutputFormat$TableRecordWriter.close(TableOutputFormat.java:109)
    at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.close(MapTask.java:651)
    at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:766)
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
    at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
    at org.apache.hadoop.mapred.Child.main(Child.java:249)

13/09/23 12:57:53 INFO mapred.JobClient: Job complete: job_201309231115_0025
13/09/23 12:57:53 INFO mapred.JobClient: Counters: 7
13/09/23 12:57:53 INFO mapred.JobClient:   Job Counters 
13/09/23 12:57:53 INFO mapred.JobClient:     SLOTS_MILLIS_MAPS=34605
13/09/23 12:57:53 INFO mapred.JobClient:     Total time spent by all reduces waiting after reserving slots (ms)=0
13/09/23 12:57:53 INFO mapred.JobClient:     Total time spent by all maps waiting after reserving slots (ms)=0
13/09/23 12:57:53 INFO mapred.JobClient:     Rack-local map tasks=4
13/09/23 12:57:53 INFO mapred.JobClient:     Launched map tasks=4
13/09/23 12:57:53 INFO mapred.JobClient:     SLOTS_MILLIS_REDUCES=0
13/09/23 12:57:53 INFO mapred.JobClient:     Failed map tasks=1

2 个解决方案

解决方案1
 5  2013-09-22 18:26:30

使用copyTable命令。 示例： 

$ bin/hbase org.apache.hadoop.hbase.mapreduce.CopyTable --new.name=logdata hbasetest

解决方案2
 3 已采纳  2013-09-26 06:08:20

其实我正在使用hive-0.9.0。 哪个有bug 

https://issues.apache.org/jira/browse/HIVE-3243.

因此，在创建HBaseStorageHandler的表SerDe时，不会忽略逗号和列族之间的空格 。 因此，您需要删除空格。 然后它会正常工作。

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