== sanity test 124b: lru resize (performance test) ================================================================================= 06:05:16 (1779703516)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 747 (time 1779703532.63 total 10.01 last 74.62)
 - open/close 1346 (time 1779703542.64 total 20.02 last 59.87)
 - open/close 2099 (time 1779703552.65 total 30.02 last 75.25)
 - open/close 2861 (time 1779703562.65 total 40.03 last 76.16)
 - open/close 3713 (time 1779703572.65 total 50.03 last 85.17)
 - open/close 4556 (time 1779703582.66 total 60.04 last 84.26)
 - open/close 5331 (time 1779703592.66 total 70.04 last 77.50)
 - open/close 6200 (time 1779703602.66 total 80.04 last 86.86)
 - open/close 7047 (time 1779703612.71 total 90.08 last 84.34)
 - open/close 7947 (time 1779703622.71 total 100.09 last 89.97)
total: 8000 open/close in 100.90 seconds: 79.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 161 seconds
lru_size = 400
400
 - unlinked 0 (time 1779703795 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 882 (time 1779703911.81 total 10.00 last 88.17)
 - open/close 1797 (time 1779703921.82 total 20.01 last 91.40)
 - open/close 2653 (time 1779703931.83 total 30.02 last 85.53)
 - open/close 3483 (time 1779703941.83 total 40.02 last 82.99)
 - open/close 4256 (time 1779703951.84 total 50.03 last 77.23)
 - open/close 5043 (time 1779703961.85 total 60.04 last 78.66)
 - open/close 5819 (time 1779703971.86 total 70.05 last 77.51)
 - open/close 6558 (time 1779703981.86 total 80.05 last 73.86)
 - open/close 7354 (time 1779703991.86 total 90.06 last 79.60)
total: 8000 open/close in 97.64 seconds: 81.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 4006
4001
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1779704111 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second