== sanity test 124b: lru resize (performance test) ================================================================================= 00:35:22 (1788928522)
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 699 (time 1788928537.40 total 10.01 last 69.85)
 - open/close 1417 (time 1788928547.40 total 20.01 last 71.80)
 - open/close 2192 (time 1788928557.41 total 30.02 last 77.39)
 - open/close 3123 (time 1788928567.42 total 40.03 last 93.00)
 - open/close 4001 (time 1788928577.43 total 50.04 last 87.73)
 - open/close 4864 (time 1788928587.44 total 60.05 last 86.23)
 - open/close 5580 (time 1788928597.45 total 70.06 last 71.52)
 - open/close 6318 (time 1788928607.45 total 80.06 last 73.78)
 - open/close 6925 (time 1788928617.46 total 90.07 last 60.67)
 - open/close 7730 (time 1788928627.46 total 100.07 last 80.45)
total: 8000 open/close in 102.94 seconds: 77.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 400
400
 - unlinked 0 (time 1788928742 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 717 (time 1788928871.89 total 10.00 last 71.67)
 - open/close 1386 (time 1788928881.90 total 20.01 last 66.85)
 - open/close 2085 (time 1788928891.92 total 30.04 last 69.70)
 - open/close 2671 (time 1788928901.93 total 40.05 last 58.56)
 - open/close 3531 (time 1788928911.95 total 50.07 last 85.81)
 - open/close 4237 (time 1788928921.97 total 60.08 last 70.51)
 - open/close 4882 (time 1788928931.97 total 70.08 last 64.49)
 - open/close 5582 (time 1788928941.98 total 80.09 last 69.93)
 - open/close 6413 (time 1788928951.98 total 90.10 last 83.04)
 - open/close 7145 (time 1788928961.99 total 100.11 last 73.14)
 - open/close 7846 (time 1788928971.99 total 110.11 last 70.09)
total: 8000 open/close in 111.93 seconds: 71.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 4006
4001
lru resize performs the same with no lru resize
 - unlinked 0 (time 1788929093 ; total 0 ; last 0)
total: 8000 unlinks in 57 seconds: 140.350876 unlinks/second