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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14450) HBase Backup/Restore Phase 3: Multiwal support
Date Thu, 11 Aug 2016 22:50:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15418078#comment-15418078
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Ted Yu commented on HBASE-14450:
--------------------------------

{code}
2016-08-11 15:43:58,313 DEBUG [ProcedureExecutor-5] mapreduce.MapReduceBackupCopyService$BackupDistCp(272):
Counters: 20
  File System Counters
    FILE: Number of bytes read=94091779
    FILE: Number of bytes written=94381659
    FILE: Number of read operations=0
    FILE: Number of large read operations=0
    FILE: Number of write operations=0
    HDFS: Number of bytes read=73436
    HDFS: Number of bytes written=2236101
    HDFS: Number of read operations=528
    HDFS: Number of large read operations=0
    HDFS: Number of write operations=263
  Map-Reduce Framework
    Map input records=1
    Map output records=0
    Input split bytes=261
    Spilled Records=0
    Failed Shuffles=0
    Merged Map outputs=0
    GC time elapsed (ms)=0
    Total committed heap usage (bytes)=1215823872
  File Input Format Counters
    Bytes Read=2056
  File Output Format Counters
    Bytes Written=0
2016-08-11 15:43:58,313 DEBUG [ProcedureExecutor-5] mapreduce.MapReduceBackupCopyService(319):
list of hdfs://localhost:56032/backupUT/backup_1470955428847/WALs for distcp
{code}
The counters didn't include any FAIL counter. Yet the destination directory was empty after
distcp job exited.

> HBase Backup/Restore Phase 3: Multiwal support
> ----------------------------------------------
>
>                 Key: HBASE-14450
>                 URL: https://issues.apache.org/jira/browse/HBASE-14450
>             Project: HBase
>          Issue Type: Task
>    Affects Versions: 2.0.0
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>              Labels: backup
>             Fix For: 2.0.0
>
>         Attachments: 14450.v2.txt, org.apache.hadoop.hbase.backup.TestIncrementalBackup-output.txt
>
>
> We need to support multiwal configurations.



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