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Documentation #2983
closeddoc: write performance monitoring
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Added by Ross Turk over 11 years ago. Updated over 5 years ago.
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From Sage:
-- osds --
overall throughput
osd.op
osd.op_r
osd.op_w
osd.op_in_bytes
osd.op_out_bytes
filestore.bytes
filestore.ops
interesting for performance
osd.op_latency (average)
osd.op_r_latency (average)
osd.op_w_latency (average)
osd.opq queue length
osd.op_wip writes in progress
osd.recovery_ops
osd.numpg
fs performance
filestore.commitcycle_interval (average)
filestore.commitcycle_latency (average)
-- monitors --
overall cluster state
cluster.num_mon
cluster.num_mon_quorum
cluster.num_osd
cluster.num_osd_up
cluster.num_osd_in
cluster.num_pg
cluster.num_pg_active
cluster.num_pg_active_clean
cluster.num_objects
cluster.num_object_degraded
cluster.num_bytes
cluster.osd_kb
cluster.osd_kb_used
cluster.osd_kb_avail