Hello Gurus, looking for an answer to the following performance behavior
my env: 389-ds-base-1.3.5.15-1.fc24.x86_64 in multimaster fractional replication running rsearch for 5 min with 1 thread seeing spikes for a basic read using index uid And running with 10 threads same search the avg ms/ops performance are much better with no major spike/burst Any explanation much appreciate it see bellow for 1 thread and the spike/burst T 300 -t 1 rsearch: 1 threads launched. T1 min= 0ms, max= 5ms, count = 54710 T1 min= 0ms, max= 42ms, count = 64930 T1 min= 0ms, max= 2ms, count = 65174 T1 min= 0ms, max= 2ms, count = 65110 T1 min= 0ms, max= 44ms, count = 64966 T1 min= 0ms, max= 1ms, count = 65101 T1 min= 0ms, max= 22ms, count = 65056 T1 min= 0ms, max= 32ms, count = 64981 T1 min= 0ms, max= 1ms, count = 65145 T1 min= 0ms, max= 1ms, count = 65223 T1 min= 0ms, max= 27ms, count = 65015 T1 min= 0ms, max= 1ms, count = 65182 T1 min= 0ms, max= 3ms, count = 65213 T1 min= 0ms, max= 23ms, count = 64760 T1 min= 0ms, max= 2ms, count = 64214 T1 min= 0ms, max= 3ms, count = 52279 T1 min= 0ms, max= 11ms, count = 64914 T1 min= 0ms, max= 1ms, count = 65118 T1 min= 0ms, max= 5ms, count = 64852 T1 min= 0ms, max= 91ms, count = 64180 T1 min= 0ms, max= 4ms, count = 64746 T1 min= 0ms, max= 1ms, count = 65080 T1 min= 0ms, max= 12ms, count = 65110 T1 min= 0ms, max= 702ms, count = 59243 T1 min= 0ms, max= 1ms, count = 65082 T1 min= 0ms, max= 89ms, count = 64331 T1 min= 0ms, max= 23ms, count = 64647 T1 min= 0ms, max= 5ms, count = 64818 T1 min= 0ms, max= 55ms, count = 64374 T1 min= 0ms, max= 8ms, count = 64713 T1 min= 0ms, max= 8ms, count = 64713 300 sec >= 300 Final Average rate: 6394.22/sec = 0.1564msec/op, total: 64713 And final avg rate for 10 threads, no significant spike/burst for this num of threads 20180905 14:07:23 - Rate: 16962.10/thr (16962.10/sec = 0.0590ms/op), total:169621 (10 thr) 300 sec >= 300 Final Average rate: 17420.40/sec = 0.0574msec/op, total:169621
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