Todd Lipcon has posted comments on this change. ( http://gerrit.cloudera.org:8080/9676 )
Change subject: KUDU-1447. Automatically disable THP on process heap ...................................................................... Patch Set 3: > Patch Set 3: > > > hrm upon testing on el6 it also appears this doesn't seem to take effect to > > prevent khugepaged collapsing pages the way I thought it did. Seems they > > are missing the kernel patch "thp: khugepaged: make khugepaged aware about > > madvise" so may need to take another approach altogether :( > > All versions of el6? Yea, unfortunately the above patch is not backported to the el6 kernel at all. > > In any case, wouldn't this patch still be useful for affected el7 kernels (is > that all kernels?), not to mention for other distros? Yea, it would still be useful on el7, but the problem is actually more severe on el6 so I'm still looking for some hack that would prevent THP compaction there. -- To view, visit http://gerrit.cloudera.org:8080/9676 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I4e356466f0473546d52763123e7948f2e8756ceb Gerrit-Change-Number: 9676 Gerrit-PatchSet: 3 Gerrit-Owner: Todd Lipcon <[email protected]> Gerrit-Reviewer: Adar Dembo <[email protected]> Gerrit-Reviewer: Dan Burkert <[email protected]> Gerrit-Reviewer: Jean-Daniel Cryans <[email protected]> Gerrit-Reviewer: Kudu Jenkins Gerrit-Reviewer: Tidy Bot Gerrit-Reviewer: Todd Lipcon <[email protected]> Gerrit-Comment-Date: Fri, 16 Mar 2018 18:56:58 +0000 Gerrit-HasComments: No
