== sanity test 124b: lru resize (performance test) ================================================================================= 10:43:59 (1761317039)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9d0bc612b000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9d0bc612b000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 748 (time 1761317052.82 total 10.00 last 74.77)
 - open/close 1465 (time 1761317062.83 total 20.01 last 71.64)
 - open/close 2244 (time 1761317072.83 total 30.02 last 77.88)
 - open/close 3020 (time 1761317082.84 total 40.02 last 77.56)
 - open/close 3747 (time 1761317092.85 total 50.03 last 72.64)
 - open/close 4498 (time 1761317102.86 total 60.04 last 74.99)
 - open/close 5308 (time 1761317112.87 total 70.05 last 80.92)
 - open/close 6058 (time 1761317122.87 total 80.06 last 74.99)
 - open/close 6834 (time 1761317132.87 total 90.06 last 77.59)
 - open/close 7567 (time 1761317142.89 total 100.07 last 73.20)
total: 8000 open/close in 105.70 seconds: 75.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 400
400
 - unlinked 0 (time 1761317231 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9d0bc612b000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9d0bc612b000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 694 (time 1761317340.73 total 10.01 last 69.34)
 - open/close 1252 (time 1761317350.76 total 20.04 last 55.64)
 - open/close 1852 (time 1761317360.77 total 30.04 last 59.96)
 - open/close 2628 (time 1761317370.77 total 40.05 last 77.58)
 - open/close 3374 (time 1761317380.77 total 50.05 last 74.56)
 - open/close 4101 (time 1761317390.78 total 60.06 last 72.64)
 - open/close 4862 (time 1761317400.79 total 70.07 last 76.03)
 - open/close 5566 (time 1761317410.80 total 80.07 last 70.36)
 - open/close 6325 (time 1761317420.80 total 90.08 last 75.87)
 - open/close 7131 (time 1761317430.80 total 100.08 last 80.60)
 - open/close 7899 (time 1761317440.81 total 110.08 last 76.74)
total: 8000 open/close in 111.53 seconds: 71.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 36 seconds
lru_size = 4006
4001
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1761317488 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second