== sanity test 101m: read ahead for small file and last stripe of the file ========================================================== 21:21:44 (1708827704)
keep default fallocate mode: 0
Test readahead: size=4096 ramax= iosz=1048576
short read: 4096/1048576
short read: 0/1044480
snapshot_time             1708827704.770094105 secs.nsecs
start_time                1708827704.708937587 secs.nsecs
elapsed_time              0.061156518 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             1708827704.841482835 secs.nsecs
start_time                1708827704.791487710 secs.nsecs
elapsed_time              0.049995125 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             1708827704.920833351 secs.nsecs
start_time                1708827704.864217397 secs.nsecs
elapsed_time              0.056615954 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             1708827704.989763770 secs.nsecs
start_time                1708827704.940925778 secs.nsecs
elapsed_time              0.048837992 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             1708827705.098685247 secs.nsecs
start_time                1708827705.010415721 secs.nsecs
elapsed_time              0.088269526 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             1708827705.210578821 secs.nsecs
start_time                1708827705.126500367 secs.nsecs
elapsed_time              0.084078454 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             1708827705.350037761 secs.nsecs
start_time                1708827705.264992617 secs.nsecs
elapsed_time              0.085045144 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             1708827705.516538381 secs.nsecs
start_time                1708827705.396951578 secs.nsecs
elapsed_time              0.119586803 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             1708827705.733806966 secs.nsecs
start_time                1708827705.570605094 secs.nsecs
elapsed_time              0.163201872 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