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https://issues.apache.org/jira/browse/HBASE-13703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl updated HBASE-13703:
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Priority: Minor (was: Major)
> ReplicateContext should not be a member of ReplicationSource
> ------------------------------------------------------------
>
> Key: HBASE-13703
> URL: https://issues.apache.org/jira/browse/HBASE-13703
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Priority: Minor
> Attachments: 13703.txt
>
>
> The ReplicateContext object is created once per ReplicationSource and then
> reused when we have something to ship to the sinks.
> This is a misguided optimization. ReplicateContext is very lightweight
> (definitely compared to the all the work and copying the ReplicationSource is
> doing) and, crucially, it prevent the the entries array from being collected
> after it was successfully copied to the sink, wasting potentially a lot of
> heap.
> The entries array itself holds reference to WAL entries on the heap, that now
> also cannot be collected.
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