== sanity test 156: Verification of tunables ============= 22:45:08 (1746153908) striped dir -i0 -c2 -H crush2 /mnt/lustre/d156.sanity-check 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.0201967 s, 811 kB/s BEFORE:131086 AFTER:131090 4+0 records in 4+0 records out 16384 bytes (16 kB) copied, 0.0303076 s, 541 kB/s BEFORE:10282 AFTER:10286 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, 0.0325025 s, 378 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, 0.00424987 s, 2.9 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, 0.0118284 s, 1.0 MB/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, 0.0268625 s, 457 kB/s cache hits:: before: 65594, after: 65594 Read again; it should be satisfied from the cache. cache hits:: before: 65594, after: 65597