== sanity test 156: Verification of tunables ============= 08:21:00 (1768137660) 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, 0.0137981 s, 1.2 MB/s BEFORE:131158 AFTER:131162 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0144952 s, 1.1 MB/s BEFORE:10270 AFTER:10274 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, 0.0152086 s, 808 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, 0.00607067 s, 2.0 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, 0.0143117 s, 859 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, 0.0140753 s, 873 kB/s cache hits:: before: 28730, after: 28730 Read again; it should be satisfied from the cache. cache hits:: before: 28730, after: 28733