== sanity test 124b: lru resize (performance test) ================================================================================= 06:31:19 (1788604279)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 739 (time 1788604295.13 total 10.00 last 73.90)
 - open/close 1464 (time 1788604305.14 total 20.01 last 72.46)
 - open/close 2309 (time 1788604315.14 total 30.01 last 84.49)
 - open/close 3085 (time 1788604325.15 total 40.01 last 77.56)
 - open/close 3782 (time 1788604335.17 total 50.03 last 69.56)
 - open/close 4415 (time 1788604345.17 total 60.03 last 63.29)
 - open/close 5138 (time 1788604355.17 total 70.04 last 72.24)
 - open/close 5952 (time 1788604365.19 total 80.05 last 81.30)
 - open/close 6721 (time 1788604375.20 total 90.07 last 76.77)
 - open/close 7477 (time 1788604385.21 total 100.07 last 75.59)
total: 8000 open/close in 107.45 seconds: 74.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
 - unlinked 0 (time 1788604554 ; total 0 ; last 0)
total: 8000 unlinks in 123 seconds: 65.040649 unlinks/second
 - open/close 665 (time 1788604693.84 total 10.02 last 66.37)
 - open/close 1344 (time 1788604703.84 total 20.03 last 67.84)
 - open/close 2035 (time 1788604713.85 total 30.04 last 69.04)
 - open/close 2833 (time 1788604723.86 total 40.04 last 79.74)
 - open/close 3463 (time 1788604733.89 total 50.07 last 62.83)
 - open/close 4191 (time 1788604743.89 total 60.08 last 72.75)
 - open/close 4853 (time 1788604753.92 total 70.11 last 66.01)
 - open/close 5536 (time 1788604763.93 total 80.11 last 68.25)
 - open/close 6251 (time 1788604773.94 total 90.12 last 71.44)
 - open/close 7085 (time 1788604783.94 total 100.13 last 83.35)
 - open/close 7992 (time 1788604793.95 total 110.14 last 90.63)
total: 8000 open/close in 110.25 seconds: 72.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 84 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1788604901 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second