[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2023-08-24 Thread Haruki Okada (Jira)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17758588#comment-17758588 ] Haruki Okada commented on KAFKA-7504: - I would like to bump this issue up again since this issue

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-11-04 Thread ASF GitHub Bot (Jira)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16967136#comment-16967136 ] ASF GitHub Bot commented on KAFKA-7504: --- cmccabe commented on pull request #7646: KAFKA-7504:

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-07-02 Thread Allen Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16877175#comment-16877175 ] Allen Wang commented on KAFKA-7504: --- [~junrao] I tried the configuration you suggested but did not see

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-06-12 Thread Jun Rao (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16862569#comment-16862569 ] Jun Rao commented on KAFKA-7504: [~allenxwang], thanks for the update. A couple of more thoughts on this.

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-06-07 Thread Allen Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16859064#comment-16859064 ] Allen Wang commented on KAFKA-7504: --- [~junrao] Yes I measured the total response time for produce

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-06-07 Thread Jun Rao (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16859031#comment-16859031 ] Jun Rao commented on KAFKA-7504: [~allenxwang], thanks for doing the test and sharing the results. Your

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-06-07 Thread Allen Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16858934#comment-16858934 ] Allen Wang commented on KAFKA-7504: --- We tested this patch in the following setting:   Brokers: 6

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-06-04 Thread Jun Rao (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16856233#comment-16856233 ] Jun Rao commented on KAFKA-7504: [~allenxwang], there is a PR attached to the jira. I guess we just want

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-06-04 Thread Stanislav Kozlovski (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16855818#comment-16855818 ] Stanislav Kozlovski commented on KAFKA-7504: [~kawamuray] this is great work, thanks for

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-05-15 Thread Allen Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16840732#comment-16840732 ] Allen Wang commented on KAFKA-7504: --- [~junrao] [~ijuma] Any plan to address this performance issue in

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-03-26 Thread Cabe Waldrop (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16802085#comment-16802085 ] Cabe Waldrop commented on KAFKA-7504: - Yes, it appears we are having some responses that require read

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-03-26 Thread Jun Rao (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16802074#comment-16802074 ] Jun Rao commented on KAFKA-7504: [~cwaldrop], thanks for the results. It does seem to be nice

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-03-26 Thread Cabe Waldrop (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16801935#comment-16801935 ] Cabe Waldrop commented on KAFKA-7504: - We have been working on recreating this behavior in our lab

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-03-18 Thread Jun Rao (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16795523#comment-16795523 ] Jun Rao commented on KAFKA-7504: [~cwaldrop], thanks for helping test this out. It would be useful to

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2019-03-18 Thread Cabe Waldrop (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16795434#comment-16795434 ] Cabe Waldrop commented on KAFKA-7504: - [~attawaykl] and I would like to volunteer to test this change

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-11-27 Thread Hugh O'Brien (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16700785#comment-16700785 ] Hugh O'Brien commented on KAFKA-7504: - [~guozhang] that's an interesting suggestion, as long as the

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-11-21 Thread Guozhang Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16695265#comment-16695265 ] Guozhang Wang commented on KAFKA-7504: -- [~allenxwang] The key idea of the current patch tries to

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-10-27 Thread Hugh O'Brien (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=1233#comment-1233 ] Hugh O'Brien commented on KAFKA-7504: - I would second Yuto's suggestion that this be made optional.

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-10-15 Thread Allen Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16650874#comment-16650874 ] Allen Wang commented on KAFKA-7504: --- [~junrao] Does that mean the patch does not immediately address

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-10-15 Thread Jun Rao (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16650798#comment-16650798 ] Jun Rao commented on KAFKA-7504: The case that Allen described is when a follower is fetching both

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-10-15 Thread Allen Wang (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16650486#comment-16650486 ] Allen Wang commented on KAFKA-7504: --- Great work. We have observed significant produce response time

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-10-14 Thread Jun Rao (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16649546#comment-16649546 ] Jun Rao commented on KAFKA-7504: [~kawamuray], thanks for the jira. Great find. Simple, but yet effective

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-10-13 Thread Ismael Juma (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16649267#comment-16649267 ] Ismael Juma commented on KAFKA-7504: Nice find. It's unfortunate that Linux doesn't support a truly

[jira] [Commented] (KAFKA-7504) Broker performance degradation caused by call of sendfile reading disk in network thread

2018-10-13 Thread Yuto Kawamura (JIRA)
[ https://issues.apache.org/jira/browse/KAFKA-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16649254#comment-16649254 ] Yuto Kawamura commented on KAFKA-7504: -- At first I added POC patch for this