== sanity test 156: Verification of tunables ============= 12:15:47 (1761322547)
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, 0.00511964 s, 3.2 MB/s
BEFORE:10266 AFTER:10270
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.101838 s, 161 kB/s
BEFORE:131097 AFTER:131101
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, 0.0043204 s, 2.8 MB/s
cache hits: before: 65581, after: 65584
Read again; it should be satisfied from the cache.
cache hits:: before: 65584, after: 65587
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 65587, after: 65590
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, 0.00134027 s, 9.2 MB/s
cache hits:: before: 65590, after: 65593
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, 0.00625075 s, 2.0 MB/s
cache hits:: before: 65593, after: 65593
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, 0.00607386 s, 2.0 MB/s
cache hits:: before: 65593, after: 65593
Read again; it should be satisfied from the cache.
cache hits:: before: 65593, after: 65596