[
https://issues.apache.org/jira/browse/HBASE-18703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Work on HBASE-18703 started by Umesh Agashe.
--------------------------------------------
> Inconsistent behavior for preBatchMutate in doMiniBatchMutate and
> processRowsWithLocks
> --------------------------------------------------------------------------------------
>
> Key: HBASE-18703
> URL: https://issues.apache.org/jira/browse/HBASE-18703
> Project: HBase
> Issue Type: Sub-task
> Components: Coprocessors
> Reporter: Duo Zhang
> Assignee: Umesh Agashe
> Priority: Critical
> Fix For: 2.0.0-alpha-4
>
> Attachments: hbase-18703.master.001.patch
>
>
> In doMiniBatchMutate, the preBatchMutate is called before building WAL, but
> in processRowsWithLocks, we suggest the RowProcessor implementation to build
> WAL in process method, which is ahead of preBatchMutate.
> If a CP modifies the mutations, especially if it removes some cells from the
> mutations, then the behavior of processRowsWithLocks is broken. The changes
> applied to memstore and WAL will be different. And there is no way to remove
> entries from a WALEdit through CP.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
