On Wed, May 4, 2016 at 4:51 PM, Burkhard Linke <Burkhard.Linke@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > > > How does CephFS handle locking in case of missing explicit locking control > (e.g. flock / fcntl)? And what's the default of mmap'ed memory access in > that case? > Nothing special. Actually, I have no idea why using flock improves performance. Could you please enable debug and send the log to use. run following commands while your application (without flock) is running and send the log to us. ceph daemon client.xxx config set debug_client 20 sleep 30 ceph daemon client.xxx config set debug_client 0 > > Regards, > Burkhard > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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