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From Aljoscha Krettek <aljos...@apache.org>
Subject Re: CEP Pattern detection progressively slower
Date Tue, 18 Apr 2017 15:30:06 GMT
Yes, as far is I know this issue is know.

+Kostas might have some more info regarding the plans there. Could you please comment?

> On 11. Apr 2017, at 19:57, vijayakumar palaniappan <vijayakumarpl@gmail.com> wrote:
> 
> While trying to use Pattern detection on KeyedStream, list of unique keys encountered,
keeps accumulating in AbstractKeyedCEPPatternOperator.java. On encountering watermarks these
accumulated keys are looped over to detect patterns. This causes spike in CPU usage and progressively
gets slower.
> 
> Is this a known issue
> Are there any workarounds?
> 
> This happens with 1.2.0 version
> 
> -- 
> Thanks,
> -Vijay


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