== sanity test 119g: dio vs buffered I/O race ============ 01:48:06 (1788932886) 1+0 records in 1+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.25395 s, 20.9 MB/s bs: 1044480 12+1 records in 12+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 6.54871 s, 4.0 MB/s 25+1 records in 25+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 8.60281 s, 3.0 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, 2.38384 s, 11.0 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 5.49313 s, 4.8 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, 2.90245 s, 9.0 MB/s 24+1 records in 24+1 records out 26214400 bytes (26 MB, 25 MiB) copied, 5.61575 s, 4.7 MB/s /mnt/lustre/f119g.sanity.2 has type file OK /mnt/lustre/f119g.sanity.2 has size 26214400 OK