Changli Gao created THRIFT-3951:
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Summary: 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
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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