== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 21:21:45 (1708827705)
keep default fallocate mode: 0
Test readahead: size=4096 ramax= iosz=1048576
short read: 4096/1048576
short read: 0/1044480
snapshot_time             1708827706.493905633 secs.nsecs
start_time                1708827706.437285147 secs.nsecs
elapsed_time              0.056620486 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             1708827706.556121311 secs.nsecs
start_time                1708827706.512307243 secs.nsecs
elapsed_time              0.043814068 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             1708827706.625829097 secs.nsecs
start_time                1708827706.575880629 secs.nsecs
elapsed_time              0.049948468 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             1708827706.692878783 secs.nsecs
start_time                1708827706.645785963 secs.nsecs
elapsed_time              0.047092820 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             1708827706.790629244 secs.nsecs
start_time                1708827706.713262956 secs.nsecs
elapsed_time              0.077366288 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             1708827706.895020955 secs.nsecs
start_time                1708827706.817723302 secs.nsecs
elapsed_time              0.077297653 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             1708827707.035371828 secs.nsecs
start_time                1708827706.945610216 secs.nsecs
elapsed_time              0.089761612 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             1708827707.201893577 secs.nsecs
start_time                1708827707.090499646 secs.nsecs
elapsed_time              0.111393931 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             1708827707.419184265 secs.nsecs
start_time                1708827707.257064328 secs.nsecs
elapsed_time              0.162119937 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