== sanity test 156: Verification of tunables ============= 00:02:20 (1789617740) 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, 0.053069 s, 309 kB/s BEFORE:141345 AFTER:141349 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0426873 s, 384 kB/s BEFORE:372332 AFTER:372336 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, 0.0277407 s, 443 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, 0.0160816 s, 764 kB/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, 0.0557942 s, 220 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, 0.0369846 s, 332 kB/s cache hits:: before: 28733, after: 28733 Read again; it should be satisfied from the cache. cache hits:: before: 28733, after: 28736