== sanity test 156: Verification of tunables ============= 02:44:19 (1789281859) striped dir -i0 -c2 -H crush2 /mnt/lustre/d156.sanity-check 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0221009 s, 741 kB/s BEFORE:10273 AFTER:10277 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0158439 s, 1.0 MB/s BEFORE:494184 AFTER:494188 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, 0.0434878 s, 283 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, 0.0177408 s, 693 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, 0.035295 s, 348 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, 0.033087 s, 371 kB/s cache hits:: before: 28733, after: 28733 Read again; it should be satisfied from the cache. cache hits:: before: 28733, after: 28736