On Wed, Jul 27, 2016 at 12:40:58PM +0530, Pranith Kumar Karampuri wrote: > hi, > Does anyone have complete understanding of keepalive timeout vs TCP > User timeout (UTO) options? For both afr and EC when the server reboots it > takes 42 seconds for the fops to fail with ENOTCONN > (saved_frames_unwind()). I am wondering if there is any way to reduce this > time by playing with these two options. As per our earlier research on this > (I think it was kp who did that) keepalive was not getting triggered when > there are fops in progress and he saw quite a few game-dev forums talk > about this problem too. It seems like there is a new timeout called TCP > User timeout which seems to address this. I am wondering if anyone of you > have any experience with this and suggest defaults to be changed for these > timeouts which are more meaningful. I think at the moment default is 42 > seconds. http://review.gluster.org/8065 might be related? More details are in https://www.gluster.org/pipermail/gluster-devel/2014-May/040755.html and https://bugzilla.redhat.com/show_bug.cgi?id=1129787 HTH, Niels
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