== sanity test 124b: lru resize (performance test) ================================================================================= 14:24:45 (1709061885)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88008a778800.lru_size=400
 - open/close 1315 (time 1709061897.25 total 10.00 last 131.46)
 - open/close 2700 (time 1709061907.25 total 20.00 last 138.50)
 - open/close 3225 (time 1709061921.18 total 33.93 last 37.69)
 - open/close 3622 (time 1709061935.37 total 48.12 last 27.99)
 - open/close 4515 (time 1709061953.63 total 66.38 last 48.90)
 - open/close 5844 (time 1709061963.64 total 76.38 last 132.80)
 - open/close 7043 (time 1709061973.64 total 86.39 last 119.88)
 - open/close 7241 (time 1709061986.50 total 99.25 last 15.39)
 - open/close 7498 (time 1709061999.70 total 112.44 last 19.48)
total: 8000 open/close in 116.84 seconds: 68.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
 - unlinked 0 (time 1709062160 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88008a778800.lru_size=0
 - open/close 789 (time 1709062247.07 total 16.65 last 47.38)
 - open/close 1020 (time 1709062259.87 total 29.45 last 18.05)
 - open/close 1986 (time 1709062279.00 total 48.59 last 50.49)
 - open/close 2579 (time 1709062296.57 total 66.15 last 33.76)
 - open/close 3073 (time 1709062312.41 total 82.00 last 31.18)
 - open/close 3364 (time 1709062326.39 total 95.97 last 20.82)
 - open/close 3385 (time 1709062337.67 total 107.25 last 1.86)
 - open/close 4107 (time 1709062356.19 total 125.78 last 38.97)
 - open/close 5092 (time 1709062366.20 total 135.78 last 98.44)
 - open/close 6007 (time 1709062376.20 total 145.79 last 91.45)
 - open/close 6807 (time 1709062395.78 total 165.36 last 40.88)
 - open/close 7753 (time 1709062405.79 total 175.37 last 94.51)
total: 8000 open/close in 178.16 seconds: 44.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 32 seconds
lru_size = 8005
ls -la is 78% faster with lru resize enabled
 - unlinked 0 (time 1709062448 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second