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https://issues.apache.org/jira/browse/HBASE-22861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16912901#comment-16912901
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Reid Chan commented on HBASE-22861:
-----------------------------------
Pushed to branch-1.3, branch-1.4, branch-1
> [WAL] Merged region should get its WAL according to WALProvider.
> ----------------------------------------------------------------
>
> Key: HBASE-22861
> URL: https://issues.apache.org/jira/browse/HBASE-22861
> Project: HBase
> Issue Type: Bug
> Components: wal
> Affects Versions: 1.4.10, 1.3.5
> Reporter: Reid Chan
> Assignee: Reid Chan
> Priority: Major
> Fix For: 1.5.0, 1.3.6, 1.4.11
>
>
> This one is similar to HBASE-22774.
> Merging regions works fine by default because all regions shared one wal. But
> if multiwal is enabled, merged region should get its wal according to wal
> grouping strategy.
> {code:title=HRegion.java|borderStyle=solid}
> HRegion createMergedRegionFromMerges(final HRegionInfo mergedRegionInfo,
> final HRegion region_b) throws IOException {
> HRegion r = HRegion.newHRegion(this.fs.getTableDir(),
> this.getWAL(), // Here should use rsService.getWAL(mergedRegionInfo),
> then wal provider and strategy if there is will take effect.
> fs.getFileSystem(), this.getBaseConf(), mergedRegionInfo,
> this.getTableDesc(), this.rsServices);
> ...
> return r;
> }
> {code}
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