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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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