== sanity test 156: Verification of tunables ============= 06:26:07 (1788863167) 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, 0.0316282 s, 518 kB/s BEFORE:141345 AFTER:141349 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0628379 s, 261 kB/s BEFORE:351492 AFTER:351496 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, 0.0519129 s, 237 kB/s cache hits: before: 28721, after: 28724 Read again; it should be satisfied from the cache. cache hits:: before: 28724, after: 28727 Turn off the read cache and turn on the write cache Read again; it should be satisfied from the cache. cache hits:: before: 28727, after: 28730 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, 0.0054477 s, 2.3 MB/s cache hits:: before: 28730, after: 28733 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, 0.0228775 s, 537 kB/s cache hits:: before: 28733, after: 28733 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, 0.0406961 s, 302 kB/s cache hits:: before: 28733, after: 28733 Read again; it should be satisfied from the cache. cache hits:: before: 28733, after: 28736