[rules-dev] Possible memory leak in Drools 6.0.1
kellyajp
kellyajp at yahoo.co.uk
Tue Apr 1 10:22:38 EDT 2014
Trying to isolate the issue, and analyse the heap dump; its a very large heap file so trying a number of things. Working on it and will let you know shortly.
Thanks
________________________________
From: Mark Proctor [via Drools] <ml-node+s46999n4029052h77 at n3.nabble.com>
To: kellyajp <kellyajp at yahoo.co.uk>
Sent: Tuesday, 1 April 2014, 14:10
Subject: Re: Possible memory leak in Drools 6.0.1
any news?
Mark
On 30 Mar 2014, at 13:38, Mark Proctor <[hidden email]> wrote:
On 30 Mar 2014, at 13:26, kellyajp <[hidden email]> wrote:
I'll get that to you on Monday
On 30 Mar 2014, at 12:59, "Mark Proctor [via Drools]" <<a href="x-msg://133/user/SendEmail.jtp?type=node&node=4029027&i=0" target="_top" rel="nofollow" link="external">[hidden email]> wrote:
Are you able to isolate what the FH’s are referencing, Sorry that should be RT, not FH. RT == RightTuple, FH == FactHandle.
that might give us an idea of where to look. If you look RightTuple’s they will have a ‘sink' reference (network node) and that sink will have an ‘associates’ map. That map is the rules that node is part of. You can use this to identify the offending rule(s), and maybe paste those rules here?
>>
>>
>>Mark
>>
>>On 30 Mar 2014, at 09:03, kellyajp <<a href="x-msg://133/user/SendEmail.jtp?type=node&node=4029026&i=0" target="_top" rel="nofollow" link="external">[hidden email]> wrote:
>>
>>Thanks
>>>
>>>
>>>I'll get someone from the team to work on this on Monday. Not sure how easy it will be to isolate but will keep you informed.
>>>
>>>
>>>Andy
>>>On 28 Mar 2014, at 23:52, "Mark Proctor [via Drools]" <<a href="<a href="x-msg://131/user/SendEmail.jtp?type=node&amp;node=4029025&amp;i=0">x-msg://131/user/SendEmail.jtp?type=node&node=4029025&i=0" target="_top" rel="nofollow" link="external">[hidden email]> wrote:
>>>
>>>
>>>Can you get us a unit test demonstrating this, and we’ll look into it as a priority.
>>>>
>>>>Mark
>>>>On 28 Mar 2014, at 15:40, kellyajp <<a href="<a href="x-msg://131/user/SendEmail.jtp?type=node&amp;node=4029018&amp;i=0">x-msg://131/user/SendEmail.jtp?type=node&node=4029018&i=0" target="_top" rel="nofollow" link="external">[hidden email]> wrote:
>>>>
>>>>
>>>>> We have upgraded from Drools 5 -> Drools 6.01 and when repeating the
>>>>> processing in each environment we have very different object counts that is
>>>>> causing memory to run out on Drools 6:
>>>>>
>>>>> Below is an extract from a heap dump
>>>>>
>>>>> In Drools 6 the main objects in the heap are
>>>>> 1: 4378006 700480960 org.drools.core.reteoo.RightTuple
>>>>>
>>>>> Where as in Drools 5 there are way less objects
>>>>> 92: 19022 1826112 org.drools.reteoo.RightTuple
>>>>>
>>>>> Has anyone else had any experience of this issue?
>>>>>
>>>>> Thanks
>>>>>
>>>>>
>>>>>
>>>>> --
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