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https://issues.apache.org/jira/browse/HBASE-14450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15415731#comment-15415731
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Ted Yu commented on HBASE-14450:
--------------------------------
Trying to determine which WAL(s) is not picked up by incremental restore when
multi-wal is enabled.
Saw the following in test output of TestIncrementalBackup :
{code}
2016-08-10 11:06:47,054 INFO
[rs(10.22.9.171,61114,1470852346443)-backup-pool29-thread-1] wal.FSHLog(884):
Rolled WAL
/user/tyu/test-data/edc715fa-4e6e-42cf-bf24-d8c3b7bb3630/WALs/10.22.9.171,61114,
1470852346443/10.22.9.171%2C61114%2C1470852346443.regiongroup-0.1470852377985
with entries=0, filesize=91 B; new WAL
/user/tyu/test-data/edc715fa-4e6e-42cf-bf24-d8c3b7bb3630/WALs/10.22.9.171,61114,
1470852346443/10.22.9.171%2C61114%2C1470852346443.regiongroup-0.1470852406630
2016-08-10 11:06:47,056 INFO
[rs(10.22.9.171,61114,1470852346443)-backup-pool29-thread-1] wal.FSHLog(951):
Archiving
hdfs://localhost:61104/user/tyu/test-data/edc715fa-4e6e-42cf-bf24-d8c3b7bb3630/WALs/10.22.9.171,61114,1470852346443/10.22.9.171%2C61114%2C1470852346443.regiongroup-0.1470852377985
to
hdfs://localhost:61104/user/tyu/test-data/edc715fa-4e6e-42cf-bf24-d8c3b7bb3630/oldWALs/10.22.9.
171%2C61114%2C1470852346443.regiongroup-0.1470852377985
{code}
The rolled logs have 0 entries.
Digging ...
> 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
>
>
> We need to support multiwal configurations.
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