== sanity test 124b: lru resize (performance test) ================================================================================= 05:43:32 (1785404612)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 401 (time 1785404629.59 total 10.00 last 40.09)
 - open/close 915 (time 1785404639.62 total 20.03 last 51.24)
 - open/close 1415 (time 1785404649.62 total 30.03 last 49.99)
 - open/close 1911 (time 1785404659.62 total 40.04 last 49.57)
 - open/close 2287 (time 1785404669.63 total 50.04 last 37.59)
 - open/close 2669 (time 1785404679.64 total 60.06 last 38.14)
 - open/close 3076 (time 1785404689.65 total 70.07 last 40.65)
 - open/close 3453 (time 1785404699.69 total 80.10 last 37.58)
 - open/close 3862 (time 1785404709.71 total 90.12 last 40.82)
 - open/close 4298 (time 1785404719.76 total 100.17 last 43.38)
 - open/close 4678 (time 1785404729.76 total 110.18 last 37.97)
 - open/close 5045 (time 1785404739.78 total 120.20 last 36.63)
 - open/close 5423 (time 1785404749.79 total 130.21 last 37.76)
 - open/close 5952 (time 1785404759.80 total 140.21 last 52.88)
 - open/close 6390 (time 1785404769.80 total 150.22 last 43.77)
 - open/close 6987 (time 1785404779.82 total 160.23 last 59.62)
 - open/close 7505 (time 1785404789.83 total 170.25 last 51.72)
total: 8000 open/close in 179.22 seconds: 44.64 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 251 seconds
lru_size = 400
 - unlinked 0 (time 1785405064 ; total 0 ; last 0)
total: 8000 unlinks in 190 seconds: 42.105263 unlinks/second
 - open/close 384 (time 1785405273.22 total 10.00 last 38.40)
 - open/close 707 (time 1785405283.23 total 20.02 last 32.25)
 - open/close 1139 (time 1785405293.24 total 30.02 last 43.17)
 - open/close 1454 (time 1785405303.27 total 40.05 last 31.42)
 - open/close 1960 (time 1785405313.28 total 50.06 last 50.53)
 - open/close 2472 (time 1785405323.28 total 60.07 last 51.19)
 - open/close 2991 (time 1785405333.31 total 70.09 last 51.79)
 - open/close 3666 (time 1785405343.32 total 80.10 last 67.40)
 - open/close 4082 (time 1785405353.32 total 90.10 last 41.60)
 - open/close 4407 (time 1785405363.33 total 100.11 last 32.47)
 - open/close 4892 (time 1785405373.41 total 110.19 last 48.13)
 - open/close 5218 (time 1785405383.42 total 120.21 last 32.55)
 - open/close 5568 (time 1785405393.44 total 130.22 last 34.95)
 - open/close 5869 (time 1785405403.48 total 140.26 last 29.98)
 - open/close 6118 (time 1785405413.48 total 150.26 last 24.89)
 - open/close 6505 (time 1785405423.50 total 160.28 last 38.63)
 - open/close 6976 (time 1785405433.52 total 170.31 last 47.00)
 - open/close 7540 (time 1785405443.53 total 180.32 last 56.33)
total: 8000 open/close in 189.63 seconds: 42.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1785405639 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second