== sanity test 119g: dio vs buffered I/O race ============ 18:11:02 (1789078262) 1+0 records in 1+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.45027 s, 18.1 MB/s bs: 1044480 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 7.15057 s, 3.7 MB/s 25+1 records in 25+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 9.77795 s, 2.7 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK bs: 1048576 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.81896 s, 14.4 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 4.74081 s, 5.5 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK bs: 1049600 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 2.08146 s, 12.6 MB/s 24+1 records in 24+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 5.27619 s, 5.0 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK