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https://issues.apache.org/jira/browse/KUDU-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Serbin updated KUDU-3758:
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Code Review: https://gerrit.cloudera.org/#/c/24160/
Target Version/s: 1.19.0, 1.18.2
> QueueOutboundCall and QueueResponseForCall have extra copy
> ----------------------------------------------------------
>
> Key: KUDU-3758
> URL: https://issues.apache.org/jira/browse/KUDU-3758
> Project: Kudu
> Issue Type: Bug
> Components: rpc
> Affects Versions: 1.18.1
> Reporter: Michael Smith
> Priority: Major
>
> In [https://github.com/apache/kudu/blob/1.18.1/src/kudu/rpc/connection.cc],
> QueueOutboundCall and QueueResponseForCall create a copy of tmp_slices when
> passing it to OutboundTransfer::CreateForCallResponse and
> OutboundTransfer::CreateForCallRequest. The number of slices is frequently
> small, so it's usually not a big cost, but we want to avoid any unnecessary
> work on RPC reactor threads.
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