== sanity test 156: Verification of tunables ============= 08:10:47 (1783080647)
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, 0.0188644 s, 869 kB/s
BEFORE:141410 AFTER:141414
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0169655 s, 966 kB/s
BEFORE:18 AFTER:22
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, 0.0244164 s, 503 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, 0.00540247 s, 2.3 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, 0.0291749 s, 421 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, 0.0211678 s, 581 kB/s
cache hits:: before: 28730, after: 28730
Read again; it should be satisfied from the cache.
cache hits:: before: 28730, after: 28733