== sanity test 51f: check many open files limit ========== 19:34:01 (1763339641)
MDT0 numfree=     484356 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1135 (time 1763339655.45 total 10.00 last 113.45)
 - open/keep 2251 (time 1763339665.45 total 20.01 last 111.55)
 - open/keep 3351 (time 1763339675.46 total 30.01 last 109.95)
 - open/keep 4463 (time 1763339685.46 total 40.01 last 111.19)
 - open/keep 5627 (time 1763339695.47 total 50.02 last 116.33)
 - open/keep 6751 (time 1763339705.47 total 60.02 last 112.37)
 - open/keep 7899 (time 1763339715.48 total 70.03 last 114.70)
 - open/keep 8969 (time 1763339725.48 total 80.04 last 106.96)
 - open/keep 10000 (time 1763339734.96 total 89.51 last 108.81)
 - open/keep 10950 (time 1763339744.96 total 99.51 last 94.97)
 - open/keep 11748 (time 1763339754.99 total 109.54 last 79.60)
 - open/keep 12636 (time 1763339764.99 total 119.55 last 88.75)
total: 12697 open/keep in 120.01 seconds: 105.80 ops/second
 - closed 1645 (time 1763339775.46 total 10.00 last -1098.60)
 - closed 3144 (time 1763339785.50 total 20.05 last 149.23)
 - closed 5016 (time 1763339795.51 total 30.05 last 187.17)
 - closed 6857 (time 1763339805.51 total 40.05 last 184.08)
 - closed 8590 (time 1763339815.51 total 50.05 last 173.27)
 - closed 10000 (time 1763339823.43 total 57.97 last 178.00)
 - closed 11956 (time 1763339833.43 total 67.98 last 195.59)
total: 12697 close in 71.79 seconds: 176.87 close/second
 - unlinked 0 (time 1763339841 ; total 0 ; last 0)
 - unlinked 10000 (time 1763339930 ; total 89 ; last 89)
unlink(/mnt/lustre/d51f.sanity/f12697) error: No such file or directory
total: 12697 unlinks in 111 seconds: 114.387390 unlinks/second