on 28/01/2014 11:28 Vladimir Sharun said the following: > Dear Andriy and FreeBSD community, > > After applying this path one of the systems runs fine (disk subsystem load low to moderate > - 10-20% busy sustained), > > Then I saw this patch was merged to the HEAD and we apply it to the one of the systems > with moderate to high disk load: 30-60% busy (11.0-CURRENT #7 r261118: Fri Jan 24 17:25:08 EET 2014) > > Within 4 days we experiencing the same leak(?) as without patch: > > last pid: 53841; load averages: 4.47, 4.18, 3.78 up 3+16:37:09 11:24:39 > 543 processes: 6 running, 537 sleeping > CPU: 8.7% user, 0.0% nice, 14.6% system, 1.4% interrupt, 75.3% idle > Mem: 22G Active, 1045M Inact, 98G Wired, 1288M Cache, 3284M Buf, 2246M Free > ARC: 73G Total, 3763M MFU, 62G MRU, 56M Anon, 1887M Header, 4969M Other > Swap: > > The ARC is populated within 30mins under load to the max (90Gb) then start decreasing. > > The delta between Wiread and ARC total start growing from typical 10-12Gb without L2 enabled > to the 25Gb with L2 enabled and counting (4 hours ago was 22Gb delta). First, have you checked that vmstat -z output contains the same anomaly as for in your original report? If yes, the please try to reproduce the problem with the following debugging patch: http://people.freebsd.org/~avg/l2arc-b_tmp_cdata-diag.patch Please make sure to compile your kernel (and modules) with INVARIANTS. -- Andriy GaponReceived on Thu Jan 30 2014 - 10:16:31 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:46 UTC