== sanity test 156: Verification of tunables ============= 19:38:46 (1789083526) 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, 0.0258454 s, 634 kB/s BEFORE:131093 AFTER:131097 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0646065 s, 254 kB/s BEFORE:361408 AFTER:361412 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, 0.0591004 s, 208 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, 0.011471 s, 1.1 MB/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, 0.0608855 s, 202 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, 0.0285505 s, 430 kB/s cache hits:: before: 28733, after: 28733 Read again; it should be satisfied from the cache. cache hits:: before: 28733, after: 28736