== sanity test 156: Verification of tunables ============= 01:29:58 (1786080598)
striped dir -i0 -c2 -H crush  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0211882 s, 773 kB/s
BEFORE:354620 AFTER:354624
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0430204 s, 381 kB/s
BEFORE:141349 AFTER:141353
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, 0.0324981 s, 378 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, 0.0106271 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, 0.0551668 s, 223 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, 0.0374819 s, 328 kB/s
cache hits:: before: 28730, after: 28730
Read again; it should be satisfied from the cache.
cache hits:: before: 28730, after: 28733