== sanity test 156: Verification of tunables ============= 17:54:49 (1741902889) striped dir -i0 -c2 -H all_char /mnt/lustre/d156.sanity-check 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.00583529 s, 2.8 MB/s BEFORE:14 AFTER:18 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.00565207 s, 2.9 MB/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, 0.00567156 s, 2.2 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, 0.00199142 s, 6.2 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, 0.0056761 s, 2.2 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, 0.00483283 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