Nginx writing to Cephfs
Valentin V. Bartenev
vbart at nginx.com
Fri Jul 24 13:41:17 UTC 2015
On Thursday 23 July 2015 14:51:58 vedranf wrote:
> Valentin V. Bartenev Wrote:
> > It more looks like a bug in cephfs. writev() should never return
> > ERESTARTSYS.
> I've talked to the ceph people, they say ERESTARTSYS shows up in strace
> output but it is handled by the kernel and that writev(2) is interrupted by
> the SIGALRM, which actually appears in the strace output just after writev
> I also failed to get this error by doing the same this as nginx using dd, dd
> always succeeded so it happens due to combination of nginx and cephfs.
> Here's full strace output (2 examples from 2 differently configured
Do you have timer_resolution configured?
wbr, Valentin V. Bartenev
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