Re: RGW hung, 2 OSDs using 100% CPU

Craig Lewis <clewis@xxxxxxxxxxxxxxxxxx> · Wed, 26 Mar 2014 17:50:44 -0700



    I made a typo in my timeline too.

      
      It should read:

      At 14:14:00, I started OSD 4, and waited for ceph-w to stabilize. 
      CPU usage was normal.

      At 14:15:10, I ran radosgw-admin --name=client.radosgw.ceph1c
        regions list && radosgw-admin
        --name=client.radosgw.ceph1c regionmap get.  It returned
      successfully.

      At 14:16:00, I started OSD 8, and waited for ceph -w to
      stabilize.  CPU usage started out normal, but went to 100% before
      14:16:40.

      At 14:17:25, I ran radosgw-admin --name=client.radosgw.ceph1c
        regions list && radosgw-admin
        --name=client.radosgw.ceph1c regionmap get.  regions list
      hung, and I killed At 14:18:15, I stopped ceph-osd id=8.

      At 14:18:45, I ran radosgw-admin --name=client.radosgw.ceph1c
        regions list && radosgw-admin
        --name=client.radosgw.ceph1c regionmap get.  It returned
      successfully.

      At 14:19:10, I stopped ceph-osd id=4.

      
      Some newlines were added.  The only material change is the last
      line, changing to id=4.

      
              Craig Lewis
              

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      On 3/26/14 15:04 , Craig Lewis wrote:

    
     At 14:14:00, I started OSD 4, and waited for ceph-w
      to stabilize.  CPU usage was normal.

      At 14:15:10, I ran radosgw-admin --name=client.radosgw.ceph1c
        regions list && radosgw-admin
        --name=client.radosgw.ceph1c regionmap get.  It returned
      successfully.

      At 14:16:00, I started OSD 8, and waited for ceph -w to
      stabilize.  CPU usage started out normal, but went to 100% before
      14:16:40.

      At 14:17:25, I ran radosgw-admin --name=client.radosgw.ceph1c
        regions list && radosgw-admin
        --name=client.radosgw.ceph1c regionmap get.  regions list
      hung, and I killed At 14:18:15, I stopped ceph-osd id=8.

      At 14:18:45, I ran radosgw-admin --name=client.radosgw.ceph1c
        regions list && radosgw-admin
        --name=client.radosgw.ceph1c regionmap get.  It returned
      successfully.

      At 14:19:10, I stopped ceph-osd id=8.
    

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