== sanity test 156: Verification of tunables ============= 20:58:13 (1790989093)
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, 0.0121054 s, 1.4 MB/s
BEFORE:141345 AFTER:141349
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0101351 s, 1.6 MB/s
BEFORE:365806 AFTER:365810
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, 0.0118383 s, 1.0 MB/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, 0.00551178 s, 2.2 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, 0.0311365 s, 395 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, 0.0316519 s, 388 kB/s
cache hits:: before: 28734, after: 28734
Read again; it should be satisfied from the cache.
cache hits:: before: 28734, after: 28737