== sanity test 156: Verification of tunables ============= 00:55:37 (1763358937)
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, 0.01281 s, 1.3 MB/s
BEFORE:86 AFTER:90
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.013592 s, 1.2 MB/s
BEFORE:141342 AFTER:141346
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, 0.0127413 s, 964 kB/s
cache hits: before: 65582, after: 65585
Read again; it should be satisfied from the cache.
cache hits:: before: 65585, after: 65588
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 65588, after: 65591
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, 0.00557212 s, 2.2 MB/s
cache hits:: before: 65591, after: 65594
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, 0.0150299 s, 818 kB/s
cache hits:: before: 65594, after: 65594
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, 0.0119748 s, 1.0 MB/s
cache hits:: before: 65594, after: 65594
Read again; it should be satisfied from the cache.
cache hits:: before: 65594, after: 65597