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https://issues.apache.org/jira/browse/STORM-1187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15011489#comment-15011489
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Arun Mahadevan commented on STORM-1187:
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At a high level this is captured under "Tuple timestamp and out of order
tuples" at
https://github.com/arunmahadevan/storm/blob/cd051103bd05be52d4f621b847da8a200f7e7c79/docs/documentation/Windowing.md#tuple-timestamp-and-out-of-order-tuples
I am mostly through with the changes and can raise PR for review once PR# 855
gets merged.
> 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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