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https://issues.apache.org/jira/browse/HBASE-24757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17165054#comment-17165054
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Hudson commented on HBASE-24757:
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Results for branch branch-2.3
[build #190 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/190/]:
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> ReplicationSink should limit the batch size for batch mutations based on
> hbase.rpc.rows.warning.threshold
> ---------------------------------------------------------------------------------------------------------
>
> Key: HBASE-24757
> URL: https://issues.apache.org/jira/browse/HBASE-24757
> Project: HBase
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
>
> At times there are quite a large no of WAL Edits to ship as part of
> Replication and sometimes replication queues accumulate huge list of Edits to
> process. ReplicationSink at the sink server usually goes through all Edits
> and creates map of table -> list of rows grouped by clusterIds, and performs
> batch mutation of all rows per table level. However, there is no limit to no
> of Rows that are sent as part of batch mutate call. If no of rows > limit
> threshold defined by hbase.rpc.rows.warning.threshold, we usually get warn
> "Large batch operation detected". If hbase.rpc.rows.size.threshold.reject is
> turned on, RS will reject the whole batch without processing.
> We should let Replication Sink honour this threshold value and accordingly
> keep the size lower per batch mutation call.
> Replication triggered batch mutations should always be consumed but keeping
> limit of mutation low enough will let the system function at the same pace
> and without triggering redundant warnings. This will also restrict
> exploitation of cpu cycles at the destination server.
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