[Bug 224080] ZFS: "arc_dnlc_evicts_thr" + "arc_reclaim_thread" - high CPU load during poudriere build...

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Dec 7 05:50:53 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224080

--- Comment #11 from Cy Schubert <cy at FreeBSD.org> ---
last pid: 23981;  load averages:  1.85,  1.80,  1.61    up 0+00:48:45  21:50:20
133 processes: 4 running, 129 sleeping
CPU:  4.8% user, 45.2% nice, 27.7% system,  0.2% interrupt, 22.1% idle
Mem: 1509M Active, 1341M Inact, 37M Laundry, 3593M Wired, 178M Buf, 1281M Free
ARC: 1324M Total, 20M MFU, 653M MRU, 134M Anon, 19M Header, 498M Other
     154M Compressed, 582M Uncompressed, 3.78:1 Ratio
Swap: 12G Total, 12G Free

  PID USERNAME       THR PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAN
 2658 cy               6  23    0 92956K 45940K select  3   1:50  10.70% mate-t
19465 root             1  25    0 56596K 47756K zio->i  2   0:09  10.37% rsync
 2503 root             1  24    0 67200K 43964K select  2   1:47   9.91% Xorg
20179 root             1  24    0 56192K 47576K db->db  2   0:07   9.54% rsync
23948 root             1  52   10 10920K  2036K select  1   0:00   3.42% make
19772 root             1  20    0 11040K  2656K select  1   0:00   0.81% moused
23213 root             1   4   10 12992K  4312K select  0   0:00   0.21% make
12248 root             1   4   10 18088K  9680K select  3   0:01   0.17% make
23492 root             1  52   10 10560K  1804K select  1   0:00   0.14% make
23860 cy               1  20    0 13940K  4152K CPU2    2   0:00   0.11% top
 2591 cy               1  20    0 16804K  6684K select  2   0:02   0.09% xscree
23947 root             1  52   10 11688K  3176K wait    0   0:00   0.09% sh
 2560 cy               1  20    0 21684K  9336K select  2   0:02   0.09% mwm
 3205 root             1  30   10 11084K  2392K select  3   0:00   0.08% make
72684 root             1  30   10 10224K  1388K select  0   0:01   0.08% make

MFU should be much higher.

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