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fuse: change to direct io mode

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before and after:

chrislu$ time dd if=/dev/random of=/Users/chrislu/tmp/mm/testfile bs=131072 count=8192
8192+0 records in
8192+0 records out
1073741824 bytes transferred in 4.534068 secs (236816430 bytes/sec)
dd if=/dev/random of=/Users/chrislu/tmp/mm/testfile bs=131072 count=8192  0.01s user 3.86s system 84% cpu 4.561 total
chrislu$ time dd if=/dev/random of=/Users/chrislu/tmp/mm/testfile bs=131072 count=8192
8192+0 records in
8192+0 records out
1073741824 bytes transferred in 3.824072 secs (280784948 bytes/sec)
dd if=/dev/random of=/Users/chrislu/tmp/mm/testfile bs=131072 count=8192  0.01s user 3.22s system 83% cpu 3.857 total
This commit is contained in:
chrislu
2021-12-28 12:22:56 -08:00
parent 3fd4da34a4
commit 0da2dfd640
2 changed files with 2 additions and 1 deletions
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2
weed/command/mount_std.go
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@@ -175,7 +175,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
fuse.DefaultPermissions(),
fuse.MaxReadahead(1024 * 128),
fuse.AsyncRead(),
fuse.WritebackCache(),
// fuse.WritebackCache(),
fuse.MaxBackground(128),
fuse.CongestionThreshold(128),
}