== sanity test 156: Verification of tunables ============= 03:25:48 (1790753148)
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, 0.025035 s, 654 kB/s
BEFORE:141345 AFTER:141349
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0428755 s, 382 kB/s
BEFORE:373487 AFTER:373491
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, 0.0343211 s, 358 kB/s
cache hits: before: 28721, after: 28724
Read again; it should be satisfied from the cache.
cache hits:: before: 28724, after: 28727
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 28727, after: 28730
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, 0.0172515 s, 712 kB/s
cache hits:: before: 28730, after: 28733
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, 0.0404513 s, 304 kB/s
cache hits:: before: 28733, after: 28733
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, 0.0509645 s, 241 kB/s
cache hits:: before: 28733, after: 28733
Read again; it should be satisfied from the cache.
cache hits:: before: 28733, after: 28736