== sanity test 156: Verification of tunables ============= 19:16:39 (1788736599)
striped dir -i0 -c2 -H crush  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0136829 s, 1.2 MB/s
BEFORE:131093 AFTER:131097
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0127188 s, 1.3 MB/s
BEFORE:357148 AFTER:357152
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, 0.0123473 s, 995 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, 0.00553928 s, 2.2 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, 0.00793244 s, 1.5 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, 0.00915156 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