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https://issues.apache.org/jira/browse/HBASE-7869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13589248#comment-13589248
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ramkrishna.s.vasudevan commented on HBASE-7869:
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+1 on patch.
May be a small release not is needed.
> Provide way to not start LogSyncer thread
> -----------------------------------------
>
> Key: HBASE-7869
> URL: https://issues.apache.org/jira/browse/HBASE-7869
> Project: HBase
> Issue Type: Bug
> Components: regionserver, wal
> Affects Versions: 0.95.0, 0.94.6
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 0.95.0, 0.94.6
>
> Attachments: HBASE-7869_94.patch, HBASE-7869_Trunk.patch,
> HBASE-7869_Trunk-V2.patch
>
>
> In our usecase we want all the Mutations on all the tables to be immediately
> written and synced to WAL. We dont want the LogSyncer thread to be running in
> such a case.
> In minbatch operation we write entries to WAL and we use postWALWrite and
> write some more WAL entries(Only write no sync). We want all these written
> data to be synced as one unit (at the sync step in doMiniBatchOperation) But
> if the LogSyncer thread is running in the system it can come and do the sync
> at any point in time which we dont want in our case.
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