== sanity test 156: Verification of tunables ============= 00:03:28 (1722485008) striped dir -i0 -c2 -H crush /mnt/lustre/d156.sanity-check 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.00494758 s, 3.3 MB/s BEFORE:14 AFTER:18 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.0838717 s, 195 kB/s BEFORE:141349 AFTER:141353 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, 0.00506065 s, 2.4 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, 0.0014214 s, 8.6 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, 0.00518821 s, 2.4 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, 0.00500224 s, 2.5 MB/s cache hits:: before: 65593, after: 65593 Read again; it should be satisfied from the cache. cache hits:: before: 65593, after: 65596