Hi, One of the users of cephmetrics has seen issues where the response to perf dump requests against an osd seems to hang. (issue #91 - https://github.com/ceph/cephmetrics/issues/91) When I looked at the admin_command function in ceph[1], it looks to me that the socket interaction is defaulting to blocking mode? So if there is a delay in responding, the caller will see this hanging behaviour that was described in the issue. If blocking mode is being used, can anyone explain why this is preferred over a non-blocking approach with 'select'? Cheers, Paul C [1] https://github.com/ceph/ceph/blob/master/src/pybind/ceph_daemon.py -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
