== sanity test 156: Verification of tunables ============= 19:57:18 (1756684638)
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, 0.0164711 s, 995 kB/s
BEFORE:18 AFTER:22
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0153073 s, 1.1 MB/s
BEFORE:141350 AFTER:141354
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, 0.0109351 s, 1.1 MB/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, 0.00567364 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, 0.016373 s, 751 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, 0.0120415 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