== sanity test 124b: lru resize (performance test) ================================================================================= 00:17:59 (1781237879)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 555 (time 1781237895.24 total 10.03 last 55.33)
 - open/close 1050 (time 1781237905.26 total 20.04 last 49.44)
 - open/close 1640 (time 1781237915.26 total 30.04 last 59.00)
 - open/close 2220 (time 1781237925.27 total 40.05 last 57.95)
 - open/close 2768 (time 1781237935.27 total 50.06 last 54.76)
 - open/close 3324 (time 1781237945.28 total 60.07 last 55.55)
 - open/close 3839 (time 1781237955.28 total 70.07 last 51.49)
 - open/close 4337 (time 1781237965.29 total 80.08 last 49.75)
 - open/close 4808 (time 1781237975.31 total 90.09 last 47.04)
 - open/close 5309 (time 1781237985.32 total 100.11 last 50.04)
 - open/close 5893 (time 1781237995.37 total 110.15 last 58.13)
 - open/close 6418 (time 1781238005.37 total 120.15 last 52.50)
 - open/close 7022 (time 1781238015.37 total 130.16 last 60.38)
 - open/close 7550 (time 1781238025.38 total 140.17 last 52.73)
total: 8000 open/close in 148.63 seconds: 53.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 189 seconds
lru_size = 400
 - unlinked 0 (time 1781238233 ; total 0 ; last 0)
total: 8000 unlinks in 157 seconds: 50.955414 unlinks/second
 - open/close 521 (time 1781238406.15 total 10.00 last 52.08)
 - open/close 1084 (time 1781238416.15 total 20.00 last 56.30)
 - open/close 1581 (time 1781238426.15 total 30.00 last 49.69)
 - open/close 2158 (time 1781238436.18 total 40.03 last 57.53)
 - open/close 2707 (time 1781238446.18 total 50.04 last 54.88)
 - open/close 3259 (time 1781238456.20 total 60.05 last 55.14)
 - open/close 3792 (time 1781238466.20 total 70.05 last 53.29)
 - open/close 4317 (time 1781238476.21 total 80.07 last 52.41)
 - open/close 4897 (time 1781238486.24 total 90.09 last 57.86)
 - open/close 5335 (time 1781238496.25 total 100.10 last 43.75)
 - open/close 5805 (time 1781238506.27 total 110.12 last 46.90)
 - open/close 6251 (time 1781238516.28 total 120.13 last 44.56)
 - open/close 6783 (time 1781238526.28 total 130.13 last 53.19)
 - open/close 7373 (time 1781238536.29 total 140.14 last 58.94)
 - open/close 7998 (time 1781238546.29 total 150.15 last 62.48)
total: 8000 open/close in 150.16 seconds: 53.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1781238682 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second