== sanity test 119g: dio vs buffered I/O race ============ 13:13:27 (1787850807) 1+0 records in 1+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.41711 s, 18.5 MB/s bs: 1044480 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 5.85192 s, 4.5 MB/s 25+1 records in 25+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 7.94819 s, 3.3 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, 1.9021 s, 13.8 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 5.29366 s, 5.0 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, 5.96848 s, 4.4 MB/s 24+1 records in 24+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 11.1093 s, 2.4 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK