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From Paul Querna <>
Subject Re: Memory usage, core output filter, and apr_brigade_destroy
Date Mon, 14 Sep 2009 20:29:18 GMT
On Mon, Sep 14, 2009 at 12:48 PM, Ruediger Pluem <> wrote:
> On 09/14/2009 07:32 PM, Stefan Fritsch wrote:
>> On Sun, 13 Sep 2009, Ruediger Pluem wrote:
>>>>> But your patch is causing core dumps during the proxy tests when
>>>>> running the test suite :-(.
>>>>> I currently don't understand why.
>>>> Hmmm... either ctx->tmp_flush_bb is NULL or, since it was added in the
>>>> middle of the struct, you didn't do a make distclean 1st....
>>> That is not the problem. I did a slightly modified patch that added it
>>> to the
>>> end. I suppose it has something to do with not matching pools or bucket
>>> allocators between bb and ctx->tmp_flush_bb.
>>> It fails on in the proxy case and in the proxy case we have some
>>> mixtures going
>>> on there regarding pools and bucket allocators caused by the pooled
>>> backend
>>> connections.
>> Yes, the lifetime of the brigade was wrong. The attached patch works
>> without segfaults.
> Thanks for the update. I committed a slightly modified version as
> r814807. It avoids the constant if check in the flush bucket case
> at the expense of always creating the brigade when setting up the
> context.

regarding r814807, if you look in core_fitlers.c, there is a
brigade_move function that pre-dated apr_brigade_split_ex existing, I
think brigade_move could be converted to  apr_brigade_split_ex.......

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