== sanity test 156: Verification of tunables ============= 15:33:56 (1715456036) striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d156.sanity-check 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.00317887 s, 5.2 MB/s BEFORE:25 AFTER:29 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.00250688 s, 6.5 MB/s BEFORE:141338 AFTER:141342 Turn on read and write cache Write data and read it back. Read should be satisfied from the cache. 3+0 records in 3+0 records out 12288 bytes (12 kB) copied, 0.00289082 s, 4.3 MB/s cache hits: before: 65581, after: 65584 Read again; it should be satisfied from the cache. cache hits:: before: 65584, after: 65587 Turn off the read cache and turn on the write cache Read again; it should be satisfied from the cache. cache hits:: before: 65587, after: 65590 Write data and read it back. Read should be satisfied from the cache. 3+0 records in 3+0 records out 12288 bytes (12 kB) copied, 0.00090161 s, 13.6 MB/s cache hits:: before: 65590, after: 65593 Turn off read and write cache Write data and read it back It should not be satisfied from the cache. 3+0 records in 3+0 records out 12288 bytes (12 kB) copied, 0.00287334 s, 4.3 MB/s cache hits:: before: 65593, after: 65593 Turn on the read cache and turn off the write cache Write data and read it back It should not be satisfied from the cache. 3+0 records in 3+0 records out 12288 bytes (12 kB) copied, 0.00269769 s, 4.6 MB/s cache hits:: before: 65593, after: 65593 Read again; it should be satisfied from the cache. cache hits:: before: 65593, after: 65596