== sanity test 156: Verification of tunables ============= 17:56:28 (1715205388)
striped dir -i0 -c2 -H all_char /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB) copied, 0.0027152 s, 6.0 MB/s
BEFORE:25 AFTER:29
4+0 records in
4+0 records out
16384 bytes (16 kB) copied, 0.00301154 s, 5.4 MB/s
BEFORE:141338 AFTER:141342
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, 0.00265742 s, 4.6 MB/s
cache hits: before: 65581, after: 65584
Read again; it should be satisfied from the cache.
cache hits:: before: 65584, after: 65587
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 65587, after: 65590
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, 0.000975012 s, 12.6 MB/s
cache hits:: before: 65590, after: 65593
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, 0.00269914 s, 4.6 MB/s
cache hits:: before: 65593, after: 65593
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, 0.00273225 s, 4.5 MB/s
cache hits:: before: 65593, after: 65593
Read again; it should be satisfied from the cache.
cache hits:: before: 65593, after: 65596