On Thu, Dec 21, 2017 at 12:52 PM, shadow_lin <shadow_lin@xxxxxxx> wrote:
After 18:00 suddenly the write throughput dropped and the osd latency increased. TCmalloc started relcaim page heap freelist much more frequently.All of this happened very fast and every osd had the indentical pattern.
Could that be caused by OSD scrub? Check your "osd_scrub_begin_hour"
ceph daemon osd.$ID config show | grep osd_scrub
Webert Lima
DevOps Engineer at MAV Tecnologia
Belo Horizonte - Brasil
IRC NICK - WebertRLZ
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