how long do you monitor after r/w finish? there is a configure item named 'ms_connection_idle_timeout' which default value is 900 fengyd <fengyd81@xxxxxxxxx> 于2019年8月19日周一 下午4:10写道： > > Hi, > > I have a question about tcp connection. > In the test environment, openstack uses ceph RBD as backend storage. > I created a VM and attache a volume/image to the VM. > I monitored how many fd was used by Qemu process. > I used the command dd to fill the whole volume/image. > I found that the FD count was increased, and stable at a fixed value after some time. > > I think when reading/writing to volume/image, tcp connection needs to be established which needs FD, then the FD count may increase. > But after reading/writing, why the FD count doesn't descrease? > > Thanks in advance. > BR. > Yafeng > _______________________________________________ > 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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