You definitely shouldn't be seeing that level of performance problems.

What type of repository are you using?

is there anything else running on this server?

What kind of load do you have, user-wise?

Christian

-- 
Christian Hammond - chip...@chipx86.com
Review Board - http://www.reviewboard.org
VMware, Inc. - http://www.vmware.com


On Wed, Oct 13, 2010 at 10:53 PM, Mohan <mohan...@gmail.com> wrote:

>
> Hi,
>
> I have installed review Board 1.5 on Centos 5.5. As per the Review
> Board document installed all the recommended software and required
> dependencies.
>
> 6GB RAM
>
> *memcached is also installed.
>
>
> when we are doing “View Diff” it’s taking more time to open the codes.
> And also sometimes throws the following error: “ Cannot allocate
> Memory”
>
> I have noticed that high memory usage on this machine.
>
> [r...@rboard ~]# free
>                   total        used               free     shared
> buffers     cached
> Mem:       5760760    5726016      34744          0        220
> 6680
> -/+ buffers/cache:    5719116      41644
> Swap:      2096472    2096472          0
>
>
> Review Board performance is slow. Please let me know how can we
> increase the performance?
>
>  [Errno 12] Cannot allocate memory
> Traceback (most recent call last):
>  File "/usr/lib/python2.4/site-packages/ReviewBoard-1.5-py2.4.egg/
> reviewboard/diffviewer/views.py", line 153, in view_diff
>    interdiffset, highlighting, True)
>  File "/usr/lib/python2.4/site-packages/ReviewBoard-1.5-py2.4.egg/
> reviewboard/diffviewer/diffutils.py", line 1063, in get_diff_files
>    large_data=True)
>  File "/usr/lib/python2.4/site-packages/Djblets-0.6.4-py2.4.egg/
> djblets/util/misc.py", line 166, in cache_memoize
>    data = lookup_callable()
>  File "/usr/lib/python2.4/site-packages/ReviewBoard-1.5-py2.4.egg/
> reviewboard/diffviewer/diffutils.py", line 1062, in <lambda>
>    enable_syntax_highlighting)),
>  File "/usr/lib/python2.4/site-packages/ReviewBoard-1.5-py2.4.egg/
> reviewboard/diffviewer/diffutils.py", line 549, in get_chunks
>    new = get_patched_file(old, filediff)
>  File "/usr/lib/python2.4/site-packages/ReviewBoard-1.5-py2.4.egg/
> reviewboard/diffviewer/diffutils.py", line 374, in get_patched_file
>    return patch(filediff.diff, buffer, filediff.dest_file)
>  File "/usr/lib/python2.4/site-packages/ReviewBoard-1.5-py2.4.egg/
> reviewboard/diffviewer/diffutils.py", line 222, in patch
>    stderr=subprocess.STDOUT)
>  File "/usr/lib64/python2.4/subprocess.py", line 550, in __init__
>    errread, errwrite)
>  File "/usr/lib64/python2.4/subprocess.py", line 919, in
> _execute_child
>    self.pid = os.fork()
> OSError: [Errno 12] Cannot allocate memory
>
> --
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