1 Welcome to JACK, the Jack Audio Connection Kit.
2
3 Please see the website (http://jackit.sf.net/) for more information.
4
5 NOTE: If you are using reiserfs or ext3fs or anything except ext2fs
6 for the directory where JACK puts its temporary files (/tmp by
7 default), then the JACK team recommends that you do *one* of the
8 following:
9
10 ----------------------------
11
12 Mount a tmpfs on /tmp. You should have a lot of swap space available
13 in case some programs try to write very large files there.
14 In your /etc/fstab add a line:
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16 none /tmp tmpfs defaults 0 0
17
18 You'll probably want to reboot here, or kill X then 'mount /tmp'.
19
20 ---- OR ----
21
22 Alternatively, you can do this without affecting your /tmp:
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24 # mkdir /mnt/ramfs
25
26 [edit /etc/fstab and add the following line]
27 none /mnt/ramfs tmpfs defaults 0 0
28
29 Then add --with-default-tmpdir=/mnt/ramfs to the JACK configure
30 line when you build it. No clients need to be recompiled.
31
32 ------------------------------
33
34 Failure to do one of these could lead to extremely poor performance from JACK,
35 since its normal operation will cause bursts of disk I/O that are
36 completely unnecessary. This suggestion can also be used by ext2fs
37 users if they wish.
38
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