== sanity test 124b: lru resize (performance test) ================================================================================= 13:08:07 (1787504887)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 933 (time 1787504901.68 total 10.00 last 93.26)
 - open/close 1805 (time 1787504911.70 total 20.02 last 87.10)
 - open/close 2675 (time 1787504921.70 total 30.02 last 86.99)
 - open/close 3565 (time 1787504931.71 total 40.03 last 88.90)
 - open/close 4381 (time 1787504941.71 total 50.03 last 81.57)
 - open/close 5312 (time 1787504951.71 total 60.03 last 93.09)
 - open/close 6210 (time 1787504961.71 total 70.03 last 89.80)
 - open/close 7141 (time 1787504971.72 total 80.04 last 93.00)
 - open/close 7886 (time 1787504981.73 total 90.05 last 74.49)
total: 8000 open/close in 91.16 seconds: 87.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
400
 - unlinked 0 (time 1787505153 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 878 (time 1787505268.54 total 10.00 last 87.78)
 - open/close 1821 (time 1787505278.55 total 20.01 last 94.21)
 - open/close 2706 (time 1787505288.55 total 30.01 last 88.47)
 - open/close 3542 (time 1787505298.57 total 40.03 last 83.46)
 - open/close 4447 (time 1787505308.58 total 50.04 last 90.39)
 - open/close 5355 (time 1787505318.59 total 60.05 last 90.74)
 - open/close 6151 (time 1787505328.60 total 70.06 last 79.51)
 - open/close 6916 (time 1787505338.60 total 80.07 last 76.46)
 - open/close 7797 (time 1787505348.61 total 90.07 last 88.05)
total: 8000 open/close in 92.35 seconds: 86.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 4006
4001
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1787505470 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second