== sanity test 156: Verification of tunables ============= 02:26:52 (1782368812) 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, 0.007162 s, 2.3 MB/s BEFORE:10338 AFTER:10342 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0084582 s, 1.9 MB/s BEFORE:131090 AFTER:131094 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, 0.0087086 s, 1.4 MB/s cache hits: before: 28718, after: 28721 Read again; it should be satisfied from the cache. cache hits:: before: 28721, after: 28724 Turn off the read cache and turn on the write cache Read again; it should be satisfied from the cache. cache hits:: before: 28724, after: 28727 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, 0.00452214 s, 2.7 MB/s cache hits:: before: 28727, after: 28730 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, 0.00845544 s, 1.5 MB/s cache hits:: before: 28730, after: 28730 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, 0.0100913 s, 1.2 MB/s cache hits:: before: 28730, after: 28730 Read again; it should be satisfied from the cache. cache hits:: before: 28730, after: 28733