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https://issues.apache.org/jira/browse/HBASE-4552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126044#comment-13126044
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Ted Yu commented on HBASE-4552:
-------------------------------
Since LoadIncrementalHFiles uses ExecutorService to achieve parallelism, we
should use Queue<Pair<byte[], String>> in place of List above so that
concurrent queue can be instantiated.
> multi-CF bulk load is not atomic across column families
> -------------------------------------------------------
>
> Key: HBASE-4552
> URL: https://issues.apache.org/jira/browse/HBASE-4552
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.92.0
> Reporter: Todd Lipcon
> Fix For: 0.92.0
>
>
> Currently the bulk load API simply imports one HFile at a time. With
> multi-column-family support, this is inappropriate, since different CFs show
> up separately. Instead, the IPC endpoint should take a of CF -> HFiles, so we
> can online them all under a single region-wide lock.
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