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https://issues.apache.org/jira/browse/HBASE-19496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai updated HBASE-19496:
-----------------------------------
Attachment: HBASE-19496.wip.patch
[~ram_krish] Please see the wip patch. The test case fails in current master
branch. I hack the netty/simple server to disable the reuse. And then looped
the tests 20 times. No failure happens.
> Reusing the ByteBuffer in rpc layer corrupt the ServerLoad and RegionLoad
> -------------------------------------------------------------------------
>
> Key: HBASE-19496
> URL: https://issues.apache.org/jira/browse/HBASE-19496
> Project: HBase
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Priority: Blocker
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-19496.wip.patch
>
>
> {{ServerLoad}} and {{RegionLoad}} store the pb object internally but the
> bytebuffer of pb object may be reused in rpc layer. Hence, the {{ServerLoad}}
> and {{RegionLoad}} which saved by {{HMaster}} will be corrupted if the
> bytebuffer backed is modified.
> This issue doesn't happen on branch-1.
> # netty server was introduced in 2.0 (see HBASE-17263)
> # reusing bytebuffer to read RPC requests was introduced in 2.0 (see
> HBASE-15788)
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