== sanity test 51f: check many open files limit ========== 05:24:38 (1784280278)
MDT0 numfree=     538343, max=100000
changed ulimit from 1024 to 100020
 - open/keep 2120 (time 1784280290.31 total 10.00 last 211.93)
 - open/keep 3998 (time 1784280300.31 total 20.00 last 187.78)
 - open/keep 6136 (time 1784280310.31 total 30.01 last 213.75)
 - open/keep 8421 (time 1784280320.31 total 40.01 last 228.49)
 - open/keep 10000 (time 1784280328.15 total 47.85 last 201.32)
 - open/keep 11947 (time 1784280338.16 total 57.85 last 194.61)
 - open/keep 13760 (time 1784280348.16 total 67.86 last 181.27)
 - open/keep 15933 (time 1784280358.16 total 77.86 last 217.29)
 - open/keep 18325 (time 1784280368.16 total 87.86 last 239.15)
 - open/keep 20000 (time 1784280375.68 total 95.37 last 222.87)
 - open/keep 22064 (time 1784280385.68 total 105.38 last 206.35)
 - open/keep 24199 (time 1784280395.68 total 115.38 last 213.47)
total: 25236 open/keep in 120.00 seconds: 210.30 ops/second
 - closed 3689 (time 1784280410.32 total 10.01 last -2049.23)
 - closed 7117 (time 1784280420.32 total 20.01 last 342.76)
 - closed 10000 (time 1784280426.65 total 26.34 last 455.46)
 - closed 13050 (time 1784280436.65 total 36.34 last 304.86)
 - closed 15793 (time 1784280446.65 total 46.35 last 274.20)
 - closed 18454 (time 1784280456.66 total 56.35 last 266.07)
 - closed 20000 (time 1784280461.80 total 61.49 last 300.48)
 - closed 23581 (time 1784280471.80 total 71.49 last 358.08)
total: 25236 close in 75.34 seconds: 334.96 close/second
 - unlinked 0 (time 1784280477 ; total 0 ; last 0)
 - unlinked 10000 (time 1784280517 ; total 40 ; last 40)
 - unlinked 20000 (time 1784280558 ; total 81 ; last 41)
unlink(/mnt/lustre/d51f.sanity/f25236) error: No such file or directory
total: 25236 unlinks in 101 seconds: 249.861389 unlinks/second