== sanity test 156: Verification of tunables ============= 15:44:19 (1790797459)
striped dir -i0 -c2 -H crush2  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0268428 s, 610 kB/s
BEFORE:131093 AFTER:131097
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0626911 s, 261 kB/s
BEFORE:377426 AFTER:377430
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, 0.0384778 s, 319 kB/s
cache hits: before: 28722, after: 28725
Read again; it should be satisfied from the cache.
cache hits:: before: 28725, after: 28728
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 28728, after: 28731
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, 0.0149145 s, 824 kB/s
cache hits:: before: 28731, after: 28734
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, 0.0218355 s, 563 kB/s
cache hits:: before: 28734, after: 28734
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, 0.041876 s, 293 kB/s
cache hits:: before: 28734, after: 28734
Read again; it should be satisfied from the cache.
cache hits:: before: 28734, after: 28737