== sanity test 156: Verification of tunables ============= 20:13:26 (1788480806) 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, 16 KiB) copied, 0.0247028 s, 663 kB/s BEFORE:141345 AFTER:141349 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0244437 s, 670 kB/s BEFORE:363740 AFTER:363744 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, 12 KiB) copied, 0.0314005 s, 391 kB/s cache hits: before: 28722, after: 28725 Read again; it should be satisfied from the cache. cache hits:: before: 28725, after: 28728 Turn off the read cache and turn on the write cache Read again; it should be satisfied from the cache. cache hits:: before: 28728, after: 28731 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, 12 KiB) copied, 0.00704488 s, 1.7 MB/s cache hits:: before: 28731, after: 28734 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, 12 KiB) copied, 0.0244519 s, 503 kB/s cache hits:: before: 28734, after: 28734 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, 12 KiB) copied, 0.0375408 s, 327 kB/s cache hits:: before: 28734, after: 28734 Read again; it should be satisfied from the cache. cache hits:: before: 28734, after: 28737