== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 12:42:48 (1709055768)
keep default fallocate mode: 0
Test readahead: size=4096 ramax= iosz=1048576
short read: 4096/1048576
short read: 0/1044480
snapshot_time             1709055769.505411436 secs.nsecs
start_time                1709055769.403267000 secs.nsecs
elapsed_time              0.102144436 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             1709055769.625702342 secs.nsecs
start_time                1709055769.538443109 secs.nsecs
elapsed_time              0.087259233 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             1709055769.748396743 secs.nsecs
start_time                1709055769.658422786 secs.nsecs
elapsed_time              0.089973957 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             1709055769.855331235 secs.nsecs
start_time                1709055769.778513195 secs.nsecs
elapsed_time              0.076818040 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             1709055770.029018683 secs.nsecs
start_time                1709055769.892026922 secs.nsecs
elapsed_time              0.136991761 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             1709055770.210053895 secs.nsecs
start_time                1709055770.084506261 secs.nsecs
elapsed_time              0.125547634 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             1709055770.426775438 secs.nsecs
start_time                1709055770.296909494 secs.nsecs
elapsed_time              0.129865944 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             1709055770.668438466 secs.nsecs
start_time                1709055770.502800180 secs.nsecs
elapsed_time              0.165638286 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             1709055771.016436276 secs.nsecs
start_time                1709055770.760205592 secs.nsecs
elapsed_time              0.256230684 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