== sanity test 156: Verification of tunables ============= 19:35:08 (1789515308)
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, 0.0314314 s, 521 kB/s
BEFORE:10273 AFTER:10277
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0257219 s, 637 kB/s
BEFORE:479928 AFTER:479932
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, 0.0522715 s, 235 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, 0.008951 s, 1.4 MB/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, 0.0541355 s, 227 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, 0.0307378 s, 400 kB/s
cache hits:: before: 28734, after: 28734
Read again; it should be satisfied from the cache.
cache hits:: before: 28734, after: 28737