== sanity test 230l: readdir between MDTs won't crash ==== 05:01:48 (1786006908)
 - open/close 508 (time 1786006923.64 total 10.00 last 50.79)
 - open/close 965 (time 1786006933.65 total 20.01 last 45.66)
total: 1000 open/close in 20.94 seconds: 47.76 ops/second