[ https://issues.apache.org/jira/browse/FLINK-2144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gabor Gevay updated FLINK-2144: ------------------------------- Issue Type: New Feature (was: Sub-task) Parent: (was: FLINK-2142) > Implement 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 > Assignee: 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) -- This message was sent by Atlassian JIRA (v6.3.4#6332)