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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  1   2    hadoop/ hbase/ hive

问题描述

I have created one table hivetest which also create the table in hbase with name of 'hbasetest'. 我创建了一个表hivetest，它还在hbase中创建名为'hbasetest'的表。 Now I want to copy 'hbasetest' data into another hbase table(say logdata) with the same schema. 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）。 So, can anyone help me how do copy the data from 'hbasetest' to 'logdata' without using the hive. 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");

Updated question : 更新的问题：

I have created the table logdata like this. 我已经像这样创建了表logdata。 But, I am getting the following error. 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

Use the copyTable command. 使用copyTable命令。 Example : 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

Actually i am using hive-0.9.0. 其实我正在使用hive-0.9.0。 Which has a bug 哪个有bug 

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

So, while creating the table SerDe of HBaseStorageHandler doesn't ignore white space between comma and column family . 因此，在创建HBaseStorageHandler的表SerDe时，不会忽略逗号和列族之间的空格 。 Hence you need to remove the white spaces. 因此，您需要删除空格。 Then it will work fine. 然后它会正常工作。

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