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https://reviews.apache.org/r/50759/
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Review request for qpid and Andrew Stitcher.
Bugs: qpid-7373
https://issues.apache.org/jira/browse/qpid-7373
Repository: qpid-cpp
Description
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If a C++ broker is lightly loaded with many short lived connections such that
at least one worker thread remains unwoken from the epoll_wait, its
DeletionManager::ThreadStatus::handles grows without bound and the associated
handles retain a shared_ptr ref and never go away.
This patch allows IO threads a maximum of one minute to accumulate
DeletionManager shared pointer references before resuming the wait loop which
involves calling
PollerHandleDeletionManager.markAllUnusedInThisThread();
The overhead is small on brokers light thread load and non-existent on busy
brokers.
Diffs
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src/qpid/sys/epoll/EpollPoller.cpp 6fdf996
Diff: https://reviews.apache.org/r/50759/diff/
Testing
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Jira test case, PollerTest.cpp
Thanks,
Cliff Jansen
