== sanity test 156: Verification of tunables ============= 20:31:34 (1746145894) striped dir -i0 -c2 -H crush /mnt/lustre/d156.sanity-check 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.0409943 s, 400 kB/s BEFORE:10266 AFTER:10270 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.0178848 s, 916 kB/s BEFORE:131102 AFTER:131106 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, 0.0329337 s, 373 kB/s cache hits: before: 65582, after: 65585 Read again; it should be satisfied from the cache. cache hits:: before: 65585, after: 65588 Turn off the read cache and turn on the write cache Read again; it should be satisfied from the cache. cache hits:: before: 65588, after: 65591 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, 0.00754943 s, 1.6 MB/s cache hits:: before: 65591, after: 65594 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, 0.0206259 s, 596 kB/s cache hits:: before: 65594, after: 65594 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, 0.0294188 s, 418 kB/s cache hits:: before: 65594, after: 65594 Read again; it should be satisfied from the cache. cache hits:: before: 65594, after: 65597