== sanity test 156: Verification of tunables ============= 16:31:44 (1781037104) 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, 0.00941675 s, 1.7 MB/s BEFORE:86 AFTER:90 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.00969137 s, 1.7 MB/s BEFORE:141342 AFTER:141346 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, 0.0086438 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, 0.00438009 s, 2.8 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, 0.00768149 s, 1.6 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, 0.00827851 s, 1.5 MB/s cache hits:: before: 28730, after: 28730 Read again; it should be satisfied from the cache. cache hits:: before: 28730, after: 28733