== sanity test 119g: dio vs buffered I/O race ============ 15:13:17 (1787857997) 1+0 records in 1+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 2.29536 s, 11.4 MB/s bs: 1044480 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 9.91151 s, 2.6 MB/s 25+1 records in 25+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 14.9342 s, 1.8 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, 4.4299 s, 5.9 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 8.46992 s, 3.1 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, 3.5974 s, 7.3 MB/s 24+1 records in 24+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 7.86834 s, 3.3 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK