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https://issues.apache.org/jira/browse/THRIFT-3951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Changli Gao updated THRIFT-3951:
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Attachment: 0001-Try-to-send-response-immediately.patch
> Improve the performance by eliminating unnecessary epoll_ctl(2) and
> epoll_wait(2)
> ---------------------------------------------------------------------------------
>
> Key: THRIFT-3951
> URL: https://issues.apache.org/jira/browse/THRIFT-3951
> Project: Thrift
> Issue Type: Improvement
> Components: C++ - Library
> Environment: Linux 4.6 Debian 8.2
> Reporter: Changli Gao
> Priority: Minor
> Labels: patch, performance
> Attachments: 0001-Try-to-send-response-immediately.patch
>
>
> In most cases, the socket is ready for the response, so we don't
> need to ask the kernel. In my echo micro-benchmark, this patch
> boosts the performance to 44k tps with 60% cpu usage from
> 39k tps with 66% cpu usage by eliminating some unnecessary
> epoll_ctl(2) and epoll_wait(2).
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