[jira] [Updated] (FLINK-2144) Incremental count, average, and variance for windows

2017-04-03 Thread Aljoscha Krettek (JIRA) 

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https://issues.apache.org/jira/browse/FLINK-2144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Aljoscha Krettek updated FLINK-2144:

Component/s: (was: Streaming)
 DataStream API

> Incremental count, average, and variance for windows
> 
>
> Key: FLINK-2144
> URL: https://issues.apache.org/jira/browse/FLINK-2144
> Project: Flink
>  Issue Type: New Feature
>  Components: DataStream API
>Reporter: Gabor Gevay
>Priority: Minor
>  Labels: statistics
>
> By count I mean the number of elements in the window.
> These can be implemented very efficiently building on FLINK-2143:
> Store: O(1)
> Evict: O(1)
> emitWindow: O(1)



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[jira] [Updated] (FLINK-2144) Incremental count, average, and variance for windows

2016-05-16 Thread Gabor Gevay (JIRA) 

 [ 
https://issues.apache.org/jira/browse/FLINK-2144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Gabor Gevay updated FLINK-2144:
---
Summary: Incremental count, average, and variance for windows  (was: 
Implement incremental count, average, and variance for windows)

> Incremental count, average, and variance for windows
> 
>
> Key: FLINK-2144
> URL: https://issues.apache.org/jira/browse/FLINK-2144
> Project: Flink
>  Issue Type: New Feature
>  Components: Streaming
>Reporter: Gabor Gevay
>Priority: Minor
>  Labels: statistics
>
> By count I mean the number of elements in the window.
> These can be implemented very efficiently building on FLINK-2143:
> Store: O(1)
> Evict: O(1)
> emitWindow: O(1)



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