=== F2FS === # fs_mark -d /mnt/test/1 -d /mnt/test/2 -d /mnt/test/3 -d /mnt/test/4 -D 16 -N 256 -n 294912 -L 4 -S 1 -s 8192 # Version 3.3, 4 thread(s) starting at Tue Aug 30 15:05:07 2016 # Sync method: INBAND FSYNC: fsync() per file in write loop. # Directories: Round Robin between directories across 16 subdirectories with 256 files per subdirectory. # File names: 40 bytes long, (16 initial bytes of time stamp with 24 random bytes at end of name) # Files info: size 8192 bytes, written with an IO size of 16384 bytes per write # App overhead is time in microseconds spent in the test not doing file writing related system calls. # FSUse% Count Size Files/sec App Overhead 1 1179648 8192 33222.2 8660339 3 2359296 8192 27665.2 8274229 4 3538944 8192 24091.4 7867337 5 4718592 8192 21440.2 7756998 === EXT4 === # fs_mark -d /mnt/test/1 -d /mnt/test/2 -d /mnt/test/3 -d /mnt/test/4 -D 16 -N 256 -n 294912 -L 4 -S 1 -s 8192 # Version 3.3, 4 thread(s) starting at Tue Aug 30 15:08:32 2016 # Sync method: INBAND FSYNC: fsync() per file in write loop. # Directories: Round Robin between directories across 16 subdirectories with 256 files per subdirectory. # File names: 40 bytes long, (16 initial bytes of time stamp with 24 random bytes at end of name) # Files info: size 8192 bytes, written with an IO size of 16384 bytes per write # App overhead is time in microseconds spent in the test not doing file writing related system calls. # FSUse% Count Size Files/sec App Overhead 5 1179648 8192 22204.5 6696321 6 2359296 8192 21313.6 6903117 7 3538944 8192 21114.4 6910955 8 4718592 8192 21056.1 6936342 === XFS === # fs_mark -d /mnt/test/1 -d /mnt/test/2 -d /mnt/test/3 -d /mnt/test/4 -D 16 -N 256 -n 294912 -L 4 -S 1 -s 8192 # Version 3.3, 4 thread(s) starting at Tue Aug 30 15:12:23 2016 # Sync method: INBAND FSYNC: fsync() per file in write loop. # Directories: Round Robin between directories across 16 subdirectories with 256 files per subdirectory. # File names: 40 bytes long, (16 initial bytes of time stamp with 24 random bytes at end of name) # Files info: size 8192 bytes, written with an IO size of 16384 bytes per write # App overhead is time in microseconds spent in the test not doing file writing related system calls. # FSUse% Count Size Files/sec App Overhead 0 1179648 8192 9071.1 11548348 1 2359296 8192 9111.7 11733681 2 3538944 8192 9299.8 11656916 3 4718592 8192 9186.0 11754107 === BTRFS === # fs_mark -d /mnt/test/1 -d /mnt/test/2 -d /mnt/test/3 -d /mnt/test/4 -D 16 -N 256 -n 294912 -L 4 -S 1 -s 8192 # Version 3.3, 4 thread(s) starting at Tue Aug 30 15:21:10 2016 # Sync method: INBAND FSYNC: fsync() per file in write loop. # Directories: Round Robin between directories across 16 subdirectories with 256 files per subdirectory. # File names: 40 bytes long, (16 initial bytes of time stamp with 24 random bytes at end of name) # Files info: size 8192 bytes, written with an IO size of 16384 bytes per write # App overhead is time in microseconds spent in the test not doing file writing related system calls. # FSUse% Count Size Files/sec App Overhead 0 1179648 8192 5886.8 9412758 1 2359296 8192 4527.7 10133818 2 3538944 8192 4067.5 10388443 3 4718592 8192 3831.1 10339045