== sanity test 156: Verification of tunables ============= 05:52:39 (1787478759)
striped dir -i0 -c2 -H crush  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0638156 s, 257 kB/s
BEFORE:380400 AFTER:380404
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0538881 s, 304 kB/s
BEFORE:141349 AFTER:141353
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, 0.079234 s, 155 kB/s
cache hits: before: 28719, after: 28722
Read again; it should be satisfied from the cache.
cache hits:: before: 28722, after: 28725
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 28725, after: 28728
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, 0.0218485 s, 562 kB/s
cache hits:: before: 28728, after: 28731
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, 0.0630017 s, 195 kB/s
cache hits:: before: 28731, after: 28731
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, 0.0275469 s, 446 kB/s
cache hits:: before: 28731, after: 28731
Read again; it should be satisfied from the cache.
cache hits:: before: 28731, after: 28734