== sanity test 119g: dio vs buffered I/O race ============ 15:47:16 (1787860036) 1+0 records in 1+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.45217 s, 18.1 MB/s bs: 1044480 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 6.74474 s, 3.9 MB/s 25+1 records in 25+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 10.4553 s, 2.5 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, 2.84733 s, 9.2 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 6.11314 s, 4.3 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, 3.02013 s, 8.7 MB/s 24+1 records in 24+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 5.71721 s, 4.6 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK