Hello J. R.
>Here is another one.
>% strace -T ls /your/branches
>% strace -T ls /your/aufs
>From these outputs, we may able to find which systemcall took long time.
Great idea, pls find attached the requested traces.
Short description:
- Made tests with 8 branches and 81 branches.
- For testing
Wolfgang Alper:
> Great idea, pls find attached the requested traces.
:::
> - The branches themselves react as expected, regardless of the requested
> subdir structure.
> - aufs becomes slower using a more branches
> - requesting subdirs through aufs makes it slower, directly dependig on
J R,
I did get around to trying the patch.
It did not patch cleanly against aufs2/34.
The patch looks for "!!" in various places where as the original doesn't
contain these "return !!au_test_subdir(h_d1, h_d2)"?
Not sure what that's supposed to signify, but I went ahead an applied
the changes b
How do I know which processes are locking a specific branch?
Let me state the question using a basic example.
> mkdir -p union branch1 branch2
> touch branch1/branch1_file
> touch branch2/branch2_file
> mount -t aufs aufs union -o br:branch1:branch2
# produces expected union
> ls union/
bra
o bugfix
- aufs: Fix null pointer dereference on branch deletion
- aufs: bugfix, un-static a local var in dy_get()
- aufs: bugfix, buffer overrun in au_whtmp_lkup()
o news
- aufs: allow a loopback-mounted branch
J. R. Okajima
Lou Gosselin:
> I did get around to trying the patch.
> It did not patch cleanly against aufs2/34.
> The patch looks for "!!" in various places where as the original doesn't
> contain these "return !!au_test_subdir(h_d1, h_d2)"?
My base version was different from yours, sorry.
I have just made M
Lou Gosselin:
> How do I know which processes are locking a specific branch?
:::
> # Any manipulation on the union results in locked file errors
> > mount union -o remount,del:branch1
> mount: /tmp/union is busy
How about the "verbose" option?
(from the aufs manual)
I tried the verbose option, but it doesn't produce enough output.
> mkdir union a b
> mount -t aufs aufs union -o verbose,br:a=rw:b=rw
> cat > union/lock # in separate term
> mount union -o remount,del:a
[ 114.704254] aufs au_br_del:758:mount[1215]: 1 file(s) opened
mount: /tmp/union is busy
Lou Gosselin:
> I tried the verbose option, but it doesn't produce enough output.
>
> > mkdir union a b
> > mount -t aufs aufs union -o verbose,br:a=rw:b=rw
> > cat > union/lock # in separate term
> > mount union -o remount,del:a
> [ 114.704254] aufs au_br_del:758:mount[1215]: 1 file(s) opene
