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Author larry
Recipients Claudiu.Popa, francismb, koobs, larry, pitrou, puppet
Date 2014-08-04.22:34:46
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <>
And to further confirm, on my Linux machine with a ZFS partition:

* stat() returns nanosecond resolution.
* I have utimensat(), which supports nanosecond resolution.
* The test code correctly sets " = 1", so it correctly calls utimensat() with a time pointer of NULL.

It still fails, but here the race is much closer:

    before: 1407191476502407010
     after: 1407191476502090829
    before <= after False

If I run the test on a different filesystem (e.g. on /tmp which is ext4) the problem doesn't occur.

My guess: it's ZFS's fault in both cases, it's not using the highest-precision timer available.
Date User Action Args
2014-08-04 22:34:46larrysetrecipients: + larry, pitrou, Claudiu.Popa, francismb, koobs, puppet
2014-08-04 22:34:46larrysetmessageid: <>
2014-08-04 22:34:46larrylinkissue19838 messages
2014-08-04 22:34:46larrycreate