== sanity test 156: Verification of tunables ============= 03:42:55 (1783150975) striped dir -i0 -c2 -H all_char /mnt/lustre/d156.sanity-check 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.0126667 s, 1.3 MB/s BEFORE:86 AFTER:90 4+0 records in 4+0 records out 16384 bytes (16 kB, 16 KiB) copied, 0.00923269 s, 1.8 MB/s BEFORE:141342 AFTER:141346 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, 0.00797673 s, 1.5 MB/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, 0.0048909 s, 2.5 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, 0.00754344 s, 1.6 MB/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, 0.0162652 s, 755 kB/s cache hits:: before: 28730, after: 28730 Read again; it should be satisfied from the cache. cache hits:: before: 28730, after: 28733