== sanity test 51f: check many open files limit ========== 02:49:59 (1788850199)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d51f.sanity
MDT1 numfree=1021949, max=100000
changed ulimit from 1024 to 100020
 - open/keep 1570 (time 1788850212.11 total 10.00 last 156.98)
 - open/keep 3154 (time 1788850222.12 total 20.01 last 158.33)
 - open/keep 4895 (time 1788850232.12 total 30.01 last 174.03)
 - open/keep 6604 (time 1788850242.12 total 40.01 last 170.89)
 - open/keep 8382 (time 1788850252.13 total 50.01 last 177.74)
 - open/keep 10000 (time 1788850261.94 total 59.83 last 164.89)
 - open/keep 11631 (time 1788850271.94 total 69.83 last 163.07)
 - open/keep 13345 (time 1788850281.95 total 79.84 last 171.26)
 - open/keep 15140 (time 1788850291.95 total 89.84 last 179.40)
 - open/keep 16762 (time 1788850301.96 total 99.85 last 162.14)
 - open/keep 18475 (time 1788850311.96 total 109.85 last 171.24)
 - open/keep 20000 (time 1788850320.17 total 118.06 last 185.71)
total: 20351 open/keep in 120.01 seconds: 169.58 ops/second
 - closed 2908 (time 1788850332.12 total 10.00 last -1708.39)
 - closed 5397 (time 1788850342.13 total 20.01 last 248.82)
 - closed 7795 (time 1788850352.13 total 30.01 last 239.71)
 - closed 10000 (time 1788850361.80 total 39.68 last 227.97)
 - closed 12366 (time 1788850371.80 total 49.69 last 236.56)
 - closed 14832 (time 1788850381.80 total 59.69 last 246.59)
 - closed 17376 (time 1788850391.80 total 69.69 last 254.40)
 - closed 19959 (time 1788850401.81 total 79.69 last 258.18)
 - closed 20000 (time 1788850401.99 total 79.88 last 221.75)
total: 20351 close in 81.10 seconds: 250.93 close/second
 - unlinked 0 (time 1788850405 ; total 0 ; last 0)
 - unlinked 10000 (time 1788850460 ; total 55 ; last 55)
 - unlinked 20000 (time 1788850510 ; total 105 ; last 50)
unlink(/mnt/lustre/d51f.sanity/f20351) error: No such file or directory
total: 20351 unlinks in 107 seconds: 190.196259 unlinks/second