== sanity test 156: Verification of tunables ============= 22:36:41 (1746153401)
striped dir -i0 -c2 -H crush /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB) copied, 0.0162909 s, 1.0 MB/s
BEFORE:131086 AFTER:131090
4+0 records in
4+0 records out
16384 bytes (16 kB) copied, 0.0260187 s, 630 kB/s
BEFORE:10282 AFTER:10286
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) copied, 0.0162453 s, 756 kB/s
cache hits: before: 65582, after: 65585
Read again; it should be satisfied from the cache.
cache hits:: before: 65585, after: 65588
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 65588, after: 65591
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) copied, 0.00815623 s, 1.5 MB/s
cache hits:: before: 65591, after: 65594
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) copied, 0.028604 s, 430 kB/s
cache hits:: before: 65594, after: 65594
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) copied, 0.0420925 s, 292 kB/s
cache hits:: before: 65594, after: 65594
Read again; it should be satisfied from the cache.
cache hits:: before: 65594, after: 65597