Re: [rules-users] Analysing OutOfMemory, too many RightTuple
Most of the time, a look on a (representative) sample of the rules is
enough for some watchers of this list to drop a few pointers.
There are some Best Practices, but people tend to come up with new
counter-examples ;-)
-W
On 11/06/2014, bvoisin <benoit.voisin(a)igc-erp.com> wrote:
Hi all,
With my set of rules and data, I get OutOfMemory issues. It works fine with
smaller sets of Data.
Looking with a HeapDump analyzer, I found that there was thousands of
RightTuples. In a previous run, before some rules fixes, I also add tons of
JoinNodeLeftTuple's.
They seem to come from poorly written rules; unfortunately, I find it quite
difficult to find and correct the conditions/rules causing these tons of
RightTuple.
Is there any analysis option/tool that can give information on the Left Hand
Side (tuples and sinks), or is there any BestPractices on how to correct the
rules to limit this behavior?
I use Drools 6.1.0.Beta4, with Phreak enabled, but had similary issues with
6.0.0 or 6.0.1
Regards,
Benoît
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