== sanity test 156: Verification of tunables ============= 09:50:05 (1774533005)
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, 0.003764 s, 4.4 MB/s
BEFORE:10266 AFTER:10270
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0949216 s, 173 kB/s
BEFORE:131097 AFTER:131101
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, 0.00337336 s, 3.6 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, 12 KiB) copied, 0.00123437 s, 10.0 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, 12 KiB) copied, 0.00288974 s, 4.3 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, 12 KiB) copied, 0.00328002 s, 3.7 MB/s
cache hits:: before: 65593, after: 65593
Read again; it should be satisfied from the cache.
cache hits:: before: 65593, after: 65596