== sanity test 51f: check many open files limit ========== 14:00:51 (1726855251)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d51f.sanity
MDT1 numfree=523910, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2790 (time 1726855262.83 total 10.00 last 278.97)
 - open/keep 5372 (time 1726855272.83 total 20.00 last 258.17)
 - open/keep 8054 (time 1726855282.83 total 30.01 last 268.12)
 - open/keep 10000 (time 1726855287.58 total 34.75 last 410.03)
 - open/keep 14607 (time 1726855297.58 total 44.75 last 460.69)
 - open/keep 20000 (time 1726855304.95 total 52.13 last 731.30)
 - open/keep 25197 (time 1726855314.95 total 62.13 last 519.65)
 - open/keep 29734 (time 1726855324.95 total 72.13 last 453.64)
 - open/keep 33593 (time 1726855334.96 total 82.13 last 385.88)
 - open/keep 37689 (time 1726855344.96 total 92.13 last 409.57)
 - open/keep 40000 (time 1726855350.81 total 97.99 last 394.62)
 - open/keep 44364 (time 1726855360.81 total 107.99 last 436.39)
 - open/keep 49459 (time 1726855370.81 total 117.99 last 509.45)
total: 50408 open/keep in 120.00 seconds: 420.07 ops/second
 - closed 6937 (time 1726855382.83 total 10.00 last -4251.67)
 - closed 10000 (time 1726855386.55 total 13.73 last 822.38)
 - closed 19422 (time 1726855396.55 total 23.73 last 942.17)
 - closed 20000 (time 1726855397.16 total 24.33 last 954.53)
 - closed 29450 (time 1726855407.16 total 34.33 last 944.99)
 - closed 30000 (time 1726855407.75 total 34.92 last 929.18)
 - closed 39069 (time 1726855417.75 total 44.92 last 906.85)
 - closed 40000 (time 1726855418.61 total 45.78 last 1085.53)
 - closed 47927 (time 1726855428.61 total 55.78 last 792.68)
 - closed 50000 (time 1726855431.00 total 58.18 last 865.70)
total: 50408 close in 58.73 seconds: 858.37 close/second
 - unlinked 0 (time 1726855432 ; total 0 ; last 0)
 - unlinked 10000 (time 1726855449 ; total 17 ; last 17)
 - unlinked 20000 (time 1726855465 ; total 33 ; last 16)
 - unlinked 30000 (time 1726855483 ; total 51 ; last 18)
 - unlinked 40000 (time 1726855498 ; total 66 ; last 15)
 - unlinked 50000 (time 1726855515 ; total 83 ; last 17)
unlink(/mnt/lustre/d51f.sanity/f50408) error: No such file or directory
total: 50408 unlinks in 84 seconds: 600.095215 unlinks/second