== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 21:22:27 (1708827747)
keep default fallocate mode: 0
Test readahead: size=4096 ramax= iosz=1048576
short read: 4096/1048576
short read: 0/1044480
snapshot_time             1708827747.649293677 secs.nsecs
start_time                1708827747.601712607 secs.nsecs
elapsed_time              0.047581070 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             1708827747.708392919 secs.nsecs
start_time                1708827747.667171175 secs.nsecs
elapsed_time              0.041221744 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             1708827747.766333544 secs.nsecs
start_time                1708827747.725139047 secs.nsecs
elapsed_time              0.041194497 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             1708827747.826140721 secs.nsecs
start_time                1708827747.783430718 secs.nsecs
elapsed_time              0.042710003 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             1708827747.919092242 secs.nsecs
start_time                1708827747.847119980 secs.nsecs
elapsed_time              0.071972262 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             1708827748.017304971 secs.nsecs
start_time                1708827747.941580870 secs.nsecs
elapsed_time              0.075724101 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             1708827748.134418150 secs.nsecs
start_time                1708827748.057308130 secs.nsecs
elapsed_time              0.077110020 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             1708827748.287950908 secs.nsecs
start_time                1708827748.178263130 secs.nsecs
elapsed_time              0.109687778 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             1708827748.489513508 secs.nsecs
start_time                1708827748.335974622 secs.nsecs
elapsed_time              0.153538886 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