== sanity test 156: Verification of tunables ============= 11:30:42 (1787758242)
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, 0.0256699 s, 638 kB/s
BEFORE:506458 AFTER:506462
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0489525 s, 335 kB/s
BEFORE:10260 AFTER:10264
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, 0.0334036 s, 368 kB/s
cache hits: before: 28690, after: 28693
Read again; it should be satisfied from the cache.
cache hits:: before: 28693, after: 28696
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 28696, after: 28699
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, 0.0123216 s, 997 kB/s
cache hits:: before: 28699, after: 28702
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, 0.063436 s, 194 kB/s
cache hits:: before: 28702, after: 28702
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, 0.0255329 s, 481 kB/s
cache hits:: before: 28702, after: 28702
Read again; it should be satisfied from the cache.
cache hits:: before: 28702, after: 28705