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https://issues.apache.org/jira/browse/STORM-1187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15043497#comment-15043497
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ASF GitHub Bot commented on STORM-1187:
---------------------------------------
Github user arunmahadevan commented on a diff in the pull request:
https://github.com/apache/storm/pull/900#discussion_r46762681
--- Diff:
storm-core/src/jvm/backtype/storm/windowing/TimeEvictionPolicy.java ---
@@ -21,21 +21,30 @@
* Eviction policy that evicts events based on time duration.
*/
public class TimeEvictionPolicy<T> implements EvictionPolicy<T> {
- private final long duration;
+ private final int windowLength;
+ protected Long currentTs;
--- End diff --
Its the reference time for the window calculation, based on which events
are expired from the window. Will rename to `referenceTime`.
> Support for late and out of order events in time based windows
> --------------------------------------------------------------
>
> Key: STORM-1187
> URL: https://issues.apache.org/jira/browse/STORM-1187
> Project: Apache Storm
> Issue Type: Sub-task
> Reporter: Arun Mahadevan
> Assignee: Arun Mahadevan
>
> Right now the time based windows uses the timestamp when the tuple is
> received by the bolt.
> However there are use cases where the tuples can be processed based on the
> time when they are actually generated vs the time when they are received. So
> we need to add support for processing events with a time lag and also have
> some way to specify and read tuple timestamps.
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