== sanity test 124b: lru resize (performance test) ================================================================================= 13:12:18 (1787591538)
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 616 (time 1787591553.61 total 10.00 last 61.60)
 - open/close 1236 (time 1787591563.62 total 20.01 last 61.95)
 - open/close 1863 (time 1787591573.62 total 30.01 last 62.69)
 - open/close 2528 (time 1787591583.63 total 40.01 last 66.48)
 - open/close 3177 (time 1787591593.63 total 50.01 last 64.89)
 - open/close 3928 (time 1787591603.65 total 60.03 last 74.97)
 - open/close 4567 (time 1787591613.65 total 70.03 last 63.89)
 - open/close 5253 (time 1787591623.66 total 80.05 last 68.51)
 - open/close 5863 (time 1787591633.67 total 90.06 last 60.95)
 - open/close 6463 (time 1787591643.69 total 100.07 last 59.88)
 - open/close 7067 (time 1787591653.70 total 110.08 last 60.34)
 - open/close 7636 (time 1787591663.70 total 120.09 last 56.89)
total: 8000 open/close in 126.69 seconds: 63.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 400
400
 - unlinked 0 (time 1787591793 ; total 0 ; last 0)
total: 8000 unlinks in 126 seconds: 63.492062 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 632 (time 1787591935.85 total 10.02 last 63.06)
 - open/close 1257 (time 1787591945.86 total 20.03 last 62.48)
 - open/close 1960 (time 1787591955.87 total 30.03 last 70.24)
 - open/close 2606 (time 1787591965.88 total 40.05 last 64.53)
 - open/close 3280 (time 1787591975.89 total 50.05 last 67.34)
 - open/close 4032 (time 1787591985.90 total 60.07 last 75.10)
 - open/close 4656 (time 1787591995.91 total 70.08 last 62.35)
 - open/close 5207 (time 1787592005.92 total 80.09 last 55.05)
 - open/close 5798 (time 1787592015.93 total 90.09 last 59.05)
 - open/close 6357 (time 1787592025.95 total 100.12 last 55.77)
 - open/close 6993 (time 1787592035.96 total 110.13 last 63.53)
 - open/close 7562 (time 1787592045.98 total 120.15 last 56.78)
total: 8000 open/close in 126.73 seconds: 63.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 117 seconds
lru_size = 4052
3955
ls -la is 5% slower with lru resize enabled
 - unlinked 0 (time 1787592194 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second