== sanity test 156: Verification of tunables ============= 20:31:03 (1718929863)
striped dir -i0 -c2 -H crush /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB) copied, 0.00307482 s, 5.3 MB/s
BEFORE:43034 AFTER:43038
4+0 records in
4+0 records out
16384 bytes (16 kB) copied, 0.0030228 s, 5.4 MB/s
BEFORE:98329 AFTER:98333
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, 0.00276717 s, 4.4 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, 0.00089104 s, 13.8 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, 0.00244175 s, 5.0 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, 0.00288723 s, 4.3 MB/s
cache hits:: before: 65593, after: 65593
Read again; it should be satisfied from the cache.
cache hits:: before: 65593, after: 65596