== sanity test 51f: check many open files limit ========== 05:33:16 (1786008796)
MDT0 numfree=     529699, max=100000
changed ulimit from 1024 to 100020
 - open/keep 995 (time 1786008811.79 total 10.01 last 99.42)
 - open/keep 1854 (time 1786008821.80 total 20.02 last 85.84)
 - open/keep 2844 (time 1786008831.81 total 30.03 last 98.90)
 - open/keep 3957 (time 1786008841.81 total 40.03 last 111.22)
 - open/keep 5020 (time 1786008851.82 total 50.03 last 106.27)
 - open/keep 6020 (time 1786008861.82 total 60.04 last 99.92)
 - open/keep 7115 (time 1786008871.84 total 70.06 last 109.34)
 - open/keep 8164 (time 1786008881.84 total 80.06 last 104.90)
 - open/keep 9075 (time 1786008891.84 total 90.06 last 91.07)
 - open/keep 10000 (time 1786008899.91 total 98.12 last 114.72)
 - open/keep 11054 (time 1786008909.91 total 108.13 last 105.33)
 - open/keep 12020 (time 1786008919.91 total 118.13 last 96.59)
total: 12223 open/keep in 120.01 seconds: 101.85 ops/second
 - closed 2106 (time 1786008931.79 total 10.00 last -991.38)
 - closed 3909 (time 1786008941.80 total 20.01 last 180.20)
 - closed 5364 (time 1786008951.81 total 30.02 last 145.36)
 - closed 7050 (time 1786008961.81 total 40.02 last 168.59)
 - closed 8780 (time 1786008971.81 total 50.02 last 172.96)
 - closed 10000 (time 1786008979.49 total 57.70 last 158.78)
 - closed 11919 (time 1786008989.49 total 67.70 last 191.89)
total: 12223 close in 69.09 seconds: 176.92 close/second
 - unlinked 0 (time 1786008995 ; total 0 ; last 0)
 - unlinked 10000 (time 1786009088 ; total 93 ; last 93)
unlink(/mnt/lustre/d51f.sanity/f12223) error: No such file or directory
total: 12223 unlinks in 112 seconds: 109.133926 unlinks/second