== sanity test 124b: lru resize (performance test) ================================================================================= 09:52:09 (1790689929)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 638 (time 1790689944.87 total 10.01 last 63.74)
 - open/close 1208 (time 1790689954.87 total 20.01 last 56.99)
 - open/close 1904 (time 1790689964.90 total 30.04 last 69.43)
 - open/close 2436 (time 1790689974.92 total 40.06 last 53.07)
 - open/close 2966 (time 1790689984.92 total 50.06 last 52.99)
 - open/close 3402 (time 1790689994.94 total 60.08 last 43.54)
 - open/close 3977 (time 1790690004.98 total 70.12 last 57.25)
 - open/close 4616 (time 1790690014.99 total 80.13 last 63.82)
 - open/close 5277 (time 1790690025.00 total 90.14 last 66.07)
 - open/close 5904 (time 1790690035.02 total 100.16 last 62.57)
 - open/close 6485 (time 1790690045.04 total 110.18 last 58.00)
 - open/close 7051 (time 1790690055.04 total 120.18 last 56.57)
 - open/close 7700 (time 1790690065.05 total 130.19 last 64.87)
total: 8000 open/close in 134.76 seconds: 59.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 172 seconds
lru_size = 400
 - unlinked 0 (time 1790690252 ; total 0 ; last 0)
total: 8000 unlinks in 130 seconds: 61.538460 unlinks/second
 - open/close 564 (time 1790690397.41 total 10.01 last 56.34)
 - open/close 1098 (time 1790690407.42 total 20.02 last 53.33)
 - open/close 1639 (time 1790690417.47 total 30.08 last 53.82)
 - open/close 2289 (time 1790690427.48 total 40.08 last 64.98)
 - open/close 2949 (time 1790690437.49 total 50.09 last 65.92)
 - open/close 3565 (time 1790690447.49 total 60.09 last 61.59)
 - open/close 4099 (time 1790690457.50 total 70.10 last 53.35)
 - open/close 4650 (time 1790690467.52 total 80.12 last 55.00)
 - open/close 5212 (time 1790690477.53 total 90.14 last 56.11)
 - open/close 5810 (time 1790690487.54 total 100.14 last 59.78)
 - open/close 6406 (time 1790690497.55 total 110.15 last 59.55)
 - open/close 6952 (time 1790690507.55 total 120.15 last 54.60)
 - open/close 7538 (time 1790690517.56 total 130.16 last 58.53)
total: 8000 open/close in 138.37 seconds: 57.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1790690640 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second