On Mon, Jun 21, 2021 at 8:13 PM opengers <zijian1...@gmail.com> wrote: > > Thanks for the answer, I still have some confusion when I see the explanation > of "MDS_SLOW_REQUEST" from the document , as follows > ------ > MDS_SLOW_REQUEST > > Message > “N slow requests are blocked” > > Description > One or more client requests have not been completed promptly, indicating that > the MDS is either running very slowly, or that the RADOS cluster is not > acknowledging journal writes promptly, or that there is a bug. Use the ops > admin socket command to list outstanding metadata operations. This message > appears if any client requests have taken longer than mds_op_complaint_time > (default 30s). > > FROM: https://docs.ceph.com/en/latest/cephfs/health-messages/ > ------ > > "or that the RADOS cluster is not acknowledging journal writes promptly", > from this sentence, it seems that "MDS_SLOW_REQUEST" also contains OSD > operations by the MDS?
Yes. If you have slow metadata IO warnings you will likely also have slow request warnings. -- Patrick Donnelly, Ph.D. He / Him / His Principal Software Engineer Red Hat Sunnyvale, CA GPG: 19F28A586F808C2402351B93C3301A3E258DD79D _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
