== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 21:22:26 (1708827746)
keep default fallocate mode: 0
Test readahead: size=4096 ramax= iosz=1048576
short read: 4096/1048576
short read: 0/1044480
snapshot_time             1708827747.308386631 secs.nsecs
start_time                1708827747.226804824 secs.nsecs
elapsed_time              0.081581807 secs.nsecs
misses                    2 samples [pages]
zero_size_window          2 samples [pages]
failed_to_fast_read       1 samples [pages]
Test readahead: size=16384 ramax= iosz=1048576
short read: 16384/1048576
short read: 0/1032192
snapshot_time             1708827747.412140637 secs.nsecs
start_time                1708827747.335134820 secs.nsecs
elapsed_time              0.077005817 secs.nsecs
hits                      3 samples [pages]
misses                    2 samples [pages]
zero_size_window          4 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 3 3 3
Test readahead: size=16385 ramax= iosz=1048576
short read: 16385/1048576
short read: 0/1032191
snapshot_time             1708827747.530930372 secs.nsecs
start_time                1708827747.450973986 secs.nsecs
elapsed_time              0.079956386 secs.nsecs
hits                      4 samples [pages]
misses                    1 samples [pages]
zero_size_window          4 samples [pages]
readahead_to_eof          1 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 4 4 4
Test readahead: size=16383 ramax= iosz=1048576
short read: 16383/1048576
short read: 0/1032193
snapshot_time             1708827747.639320654 secs.nsecs
start_time                1708827747.561597264 secs.nsecs
elapsed_time              0.077723390 secs.nsecs
hits                      3 samples [pages]
misses                    1 samples [pages]
zero_size_window          3 samples [pages]
readahead_to_eof          1 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 3 3 3
Test readahead: size=1048577 ramax= iosz=2097152
short read: 1048577/2097152
short read: 0/1048575
snapshot_time             1708827747.782496667 secs.nsecs
start_time                1708827747.666959113 secs.nsecs
elapsed_time              0.115537554 secs.nsecs
hits                      256 samples [pages]
misses                    1 samples [pages]
zero_size_window          256 samples [pages]
readahead_to_eof          1 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 256 256 256
Test readahead: size=1064960 ramax= iosz=2097152
short read: 1064960/2097152
short read: 0/1032192
snapshot_time             1708827747.933324734 secs.nsecs
start_time                1708827747.814527554 secs.nsecs
elapsed_time              0.118797180 secs.nsecs
hits                      259 samples [pages]
misses                    2 samples [pages]
zero_size_window          260 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 259 259 259
Test readahead: size=1064960 ramax= iosz=2097152
short read: 1064960/2097152
short read: 0/1032192
snapshot_time             1708827748.102601677 secs.nsecs
start_time                1708827748.003003913 secs.nsecs
elapsed_time              0.099597764 secs.nsecs
hits                      259 samples [pages]
misses                    2 samples [pages]
zero_size_window          260 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 259 259 259
Test readahead: size=2113536 ramax= iosz=3145728
short read: 2113536/3145728
short read: 0/1032192
snapshot_time             1708827748.310984877 secs.nsecs
start_time                1708827748.168564344 secs.nsecs
elapsed_time              0.142420533 secs.nsecs
hits                      515 samples [pages]
misses                    2 samples [pages]
zero_size_window          516 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           1 samples [pages] 515 515 515
Test readahead: size=4210688 ramax= iosz=5242880
short read: 4210688/5242880
short read: 0/1032192
snapshot_time             1708827748.577260995 secs.nsecs
start_time                1708827748.381504134 secs.nsecs
elapsed_time              0.195756861 secs.nsecs
hits                      1026 samples [pages]
misses                    3 samples [pages]
zero_size_window          1027 samples [pages]
failed_to_fast_read       1 samples [pages]
readahead_pages           2 samples [pages] 3 1023 1026