== sanity test 51f: check many open files limit ========== 02:04:56 (1761285896)
MDT0 numfree=     492991 , max=100000
changed ulimit from 1024 to 100020
 - open/keep 1434 (time 1761285910.28 total 10.00 last 143.33)
 - open/keep 2800 (time 1761285920.28 total 20.01 last 136.56)
 - open/keep 4250 (time 1761285930.28 total 30.01 last 144.97)
 - open/keep 5610 (time 1761285940.29 total 40.01 last 135.97)
 - open/keep 7061 (time 1761285950.29 total 50.01 last 145.08)
 - open/keep 8495 (time 1761285960.29 total 60.02 last 143.37)
 - open/keep 9832 (time 1761285970.29 total 70.02 last 133.69)
 - open/keep 11282 (time 1761285980.29 total 80.02 last 144.97)
 - open/keep 12756 (time 1761285990.30 total 90.02 last 147.34)
 - open/keep 14197 (time 1761286000.30 total 100.02 last 144.08)
 - open/keep 15675 (time 1761286010.30 total 110.03 last 147.75)
total: 17044 open/keep in 120.01 seconds: 142.03 ops/second
 - closed 2040 (time 1761286030.28 total 10.00 last -1363.22)
 - closed 4251 (time 1761286040.28 total 20.00 last 221.08)
 - closed 6503 (time 1761286050.29 total 30.01 last 225.10)
 - closed 9057 (time 1761286060.29 total 40.01 last 255.31)
 - closed 10000 (time 1761286064.16 total 43.88 last 243.76)
 - closed 12448 (time 1761286074.16 total 53.88 last 244.76)
 - closed 15033 (time 1761286084.17 total 63.89 last 258.32)
total: 17044 close in 72.27 seconds: 235.85 close/second
 - unlinked 0 (time 1761286095 ; total 0 ; last 0)
 - unlinked 10000 (time 1761286160 ; total 65 ; last 65)
unlink(/mnt/lustre/d51f.sanity/f17044) error: No such file or directory
total: 17044 unlinks in 117 seconds: 145.675217 unlinks/second