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List:       samba-technical
Subject:    Re: memory leak ldb_dn
From:       "Stefan (metze) Metzmacher" <metze () samba ! org>
Date:       2007-10-31 10:07:48
Message-ID: 472853F4.10005 () samba ! org
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Andrew Bartlett schrieb:
> On Tue, 2007-10-30 at 16:49 +0100, Stefan (metze) Metzmacher wrote:
>> Hi Andrew,
>>
>> we're currently leaking ldb_dn structures on the null_context,
>> the smbd gets up to 100MB ram...
>>
>> I think it was there a few days now...
>>
>> Could you take a look at it?
> 
> I'm presuming that's my fault, but I can't for the life of my figure out
> where I'm leaking it from...
> 
> I suppose valgrind might be able to tell me somehow...

http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=25755
fixes the ldb_dn stuff, but I fear that was not the reason for 100MB ram.

make test TESTS=samba4.RPC-BENCH-RPC

let smbd to use up to 42MB after the first test finished
and under gdb I generated:

talloc report on 'struct event_context' (total  90525 bytes in 4302 blocks)

talloc report on 'autofree_context' (total 3986998 bytes in 559814 blocks)

talloc report on 'null_context' (total    174 bytes in   9 blocks)

But that also doesn't explain it...

Also make valgrindtest TESTS=samba4.RPC-BENCH-RPC doesn't report
something...

metze

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