== sanity test 156: Verification of tunables ============= 12:23:11 (1788884591)
striped dir -i0 -c2 -H crush2  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.00967478 s, 1.7 MB/s
BEFORE:131093 AFTER:131097
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0100256 s, 1.6 MB/s
BEFORE:389603 AFTER:389607
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, 0.00785488 s, 1.6 MB/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, 0.00331812 s, 3.7 MB/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, 0.00679948 s, 1.8 MB/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, 0.00927174 s, 1.3 MB/s
cache hits:: before: 28733, after: 28733
Read again; it should be satisfied from the cache.
cache hits:: before: 28733, after: 28736