== sanity test 124b: lru resize (performance test) ================================================================================= 05:30:57 (1786959057)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 740 (time 1786959071.86 total 10.01 last 73.94)
 - open/close 1371 (time 1786959081.90 total 20.05 last 62.86)
 - open/close 2056 (time 1786959091.91 total 30.06 last 68.44)
 - open/close 2836 (time 1786959101.92 total 40.07 last 77.91)
 - open/close 3594 (time 1786959111.94 total 50.08 last 75.70)
 - open/close 4404 (time 1786959121.94 total 60.08 last 80.97)
 - open/close 5208 (time 1786959131.94 total 70.09 last 80.36)
 - open/close 5981 (time 1786959141.96 total 80.10 last 77.20)
 - open/close 6779 (time 1786959151.96 total 90.10 last 79.79)
 - open/close 7532 (time 1786959161.97 total 100.11 last 75.22)
total: 8000 open/close in 106.69 seconds: 74.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 177 seconds
lru_size = 400
400
 - unlinked 0 (time 1786959357 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 549 (time 1786959487.49 total 10.02 last 54.81)
 - open/close 1147 (time 1786959497.50 total 20.02 last 59.77)
 - open/close 1761 (time 1786959507.51 total 30.03 last 61.33)
 - open/close 2461 (time 1786959517.51 total 40.04 last 69.97)
 - open/close 3310 (time 1786959527.52 total 50.04 last 84.87)
 - open/close 4196 (time 1786959537.53 total 60.05 last 88.50)
 - open/close 4958 (time 1786959547.53 total 70.06 last 76.18)
 - open/close 5771 (time 1786959557.54 total 80.06 last 81.24)
 - open/close 6540 (time 1786959567.54 total 90.07 last 76.87)
 - open/close 7255 (time 1786959577.55 total 100.07 last 71.45)
total: 8000 open/close in 109.82 seconds: 72.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 108 seconds
lru_size = 4006
4001
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1786959718 ; total 0 ; last 0)
total: 8000 unlinks in 85 seconds: 94.117645 unlinks/second