== sanity test 156: Verification of tunables ============= 17:03:10 (1788987790)
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0429224 s, 382 kB/s
BEFORE:141345 AFTER:141349
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0414887 s, 395 kB/s
BEFORE:340767 AFTER:340771
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, 0.0386168 s, 318 kB/s
cache hits: before: 28720, after: 28723
Read again; it should be satisfied from the cache.
cache hits:: before: 28723, after: 28726
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 28726, after: 28729
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, 0.0191751 s, 641 kB/s
cache hits:: before: 28729, after: 28732
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, 0.0410268 s, 300 kB/s
cache hits:: before: 28732, after: 28732
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, 0.0429183 s, 286 kB/s
cache hits:: before: 28732, after: 28732
Read again; it should be satisfied from the cache.
cache hits:: before: 28732, after: 28735