== sanity test 119g: dio vs buffered I/O race ============ 08:03:06 (1787745786) 1+0 records in 1+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 2.50754 s, 10.5 MB/s bs: 1044480 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 9.33346 s, 2.8 MB/s 25+1 records in 25+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 14.1074 s, 1.9 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, 2.30318 s, 11.4 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 5.68213 s, 4.6 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, 2.67562 s, 9.8 MB/s 24+1 records in 24+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 6.29769 s, 4.2 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK