== sanity test 156: Verification of tunables ============= 12:56:34 (1787590594) 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, 0.0185283 s, 884 kB/s BEFORE:365960 AFTER:365964 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0545881 s, 300 kB/s BEFORE:131097 AFTER:131101 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, 0.0305252 s, 403 kB/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, 0.00996358 s, 1.2 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, 0.0530531 s, 232 kB/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, 0.0608112 s, 202 kB/s cache hits:: before: 28730, after: 28730 Read again; it should be satisfied from the cache. cache hits:: before: 28730, after: 28733