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Haruki Okada commented on KAFKA-15046:
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I submitted a patch
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Haruki Okada commented on KAFKA-15046:
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After dug into the fsync call paths in detail, I summarized
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Haruki Okada commented on KAFKA-15046:
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[~junrao] Hi, sorry for the late response.
Thanks for your
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Jun Rao commented on KAFKA-15046:
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The potential issue with moving the LeaderEpochFile flushing to an
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Jun Rao commented on KAFKA-15046:
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[~ocadaruma] : Thanks for identifying the problem. Another way to
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Luke Chen commented on KAFKA-15046:
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[~ocadaruma] , thanks for the help!
Ping me when PR is created.
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Haruki Okada commented on KAFKA-15046:
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I see, thank you for pointing out.
Hmm, now I agree with
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Luke Chen commented on KAFKA-15046:
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Currently, the RW lock in LeaderEpochFileCache is to protect the
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Haruki Okada commented on KAFKA-15046:
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[~showuon] Maybe I linked wrong file.
What I thought is
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Luke Chen commented on KAFKA-15046:
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I agree that io_uring is a good way to fix that, but it needs
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Haruki Okada commented on KAFKA-15046:
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Yeah, io_uring is promising.
However it only works with
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Divij Vaidya commented on KAFKA-15046:
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Yes that is right, leaderEpochCheckpoint is another I/O
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Haruki Okada commented on KAFKA-15046:
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Hm, when I dug into further this, I noticed there's another
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Haruki Okada commented on KAFKA-15046:
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Oh I haven't noticed there's another ticket and already the
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Divij Vaidya commented on KAFKA-15046:
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Thank you for the investigation folks. We have an active PR
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Haruki Okada commented on KAFKA-15046:
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If the suggestion (stop fsync-ing) makes sense, I'm happy
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