Commits on Nov 6, 2018

1. mds: add perf counters to track current open/stale sessions …

   Signed-off-by: Venky Shankar <vshankar@redhat.com>
   (cherry picked from commit 315aa47)

   

   vshankar committed Nov 6, 2018
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2. mds: decay counter for tracking request load average …

   Signed-off-by: Venky Shankar <vshankar@redhat.com>
   (cherry picked from commit 816d8aa)
   
    Conflicts:
   	src/mds/SessionMap.cc
   	src/common/options.cc

   

   vshankar committed Nov 6, 2018
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3. mds: allow request load average decay rate configurable via admin socket …

   Signed-off-by: Venky Shankar <vshankar@redhat.com>
   (cherry picked from commit 3809d96)
   
    Conflicts:
   	src/mds/MDSDaemon.cc
   	src/mds/MDSRank.h

   

   vshankar committed Nov 6, 2018
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4. mds: show session load average in dump session …

   Signed-off-by: Venky Shankar <vshankar@redhat.com>
   (cherry picked from commit 682dc08)

   

   vshankar committed Nov 6, 2018
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5. mds: reorganize and curate perf log counters …

   Categorize perf counters into high (PRIO_{CRITICAL/INTERESTING}),
   medium (PRIO_USEFUL) and low priority (PRIO_DEBUGONLY). High and
   medium priority stats are transmitted to ceph mgr and included in
   prometheus output.
   
   Signed-off-by: Venky Shankar <vshankar@redhat.com>
   Fixes: http://tracker.ceph.com/issues/26991
   (cherry picked from commit 48a33f6)
   
    Conflicts:
   	src/mds/Server.cc

   

   vshankar committed Nov 6, 2018
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6. mds: simplify beacon init …

   Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
   (cherry picked from commit b7448f8)
   
    Conflicts:
   	src/mds/Beacon.cc

   

   batrick authored and vshankar committed Nov 6, 2018
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7. mds: use monotonic clock in beacon …

   Also update other parts of MDS which interact.
   
   Fixes: http://tracker.ceph.com/issues/35837
   Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
   (cherry picked from commit e77a2f5)
   
    Conflicts:
   	src/mds/Beacon.cc
   	src/mds/MDCache.h
   	src/mds/MDSRank.cc
   	src/mds/MDSRank.h
   	src/mds/Server.cc

   

   batrick authored and vshankar committed Nov 6, 2018
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8. mds: use monotonic waits in Beacon …

   This guarantees that the sender thread cannot be disrupted by system clock
   changes. This commit also simplifies the sender thread by manually managing the
   thread and avoiding unnecessary context creation.
   
   Fixes: http://tracker.ceph.com/issues/32090
   Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
   (cherry picked from commit a5fc29b)
   
    Conflicts:
   	src/mds/Beacon.cc

   

   batrick authored and vshankar committed Nov 6, 2018
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9. mds: track average uptime of sessions …

   Average session age math improvements by Patrick.
   
   Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
   Signed-off-by: Venky Shankar <vshankar@redhat.com>
   (cherry picked from commit d2627b9)
   
    Conflicts:
   	src/mds/SessionMap.h

   

   vshankar committed Nov 6, 2018
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10. mds: include session uptime when diplaying session list …

    Fixes: https://tracker.ceph.com/issues/35938
    Signed-off-by: Venky Shankar <vshankar@redhat.com>
    (cherry picked from commit b23a204)

    

    vshankar committed Nov 6, 2018
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