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https://issues.apache.org/jira/browse/STORM-2489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15982316#comment-15982316
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wangkui commented on STORM-2489:
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[~arunmahadevan] Sorry for late response, call on getStartTimestamp() and
getEndTimestamp(), I got following log:
Timestamp_start-end=1493089795102-1493089800102
expired=1...56
get=57...4085
new=57...4085
Recived=4029,RecivedTotal=4029
Timestamp_start-end=1493089800101-1493089805101
expired=57...4084
get=4085...8049
new=4086...8049
Recived=3965,RecivedTotal=7994
SendTotal=11705
Timestamp_start-end=1493089805102-1493089810102
expired=4085...8047
get=8048...11705
new=8050...11705
Recived=3658,RecivedTotal=11652
> Overlap and data loss on WindowedBolt based on Duration
> -------------------------------------------------------
>
> Key: STORM-2489
> URL: https://issues.apache.org/jira/browse/STORM-2489
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Affects Versions: 1.0.2
> Environment: windows 10, eclipse, jdk1.7
> Reporter: wangkui
> Attachments: TumblingWindowIssue.java
>
>
> The attachment is my test script, one of my test results is:
> ```
> expired=1...55
> get=56...4024
> new=56...4024
> Recived=3969,RecivedTotal=3969
> expired=56...4020
> get=4021...8191
> new=4025...8191
> Recived=4171,RecivedTotal=8140
> SendTotal=12175
> expired=4021...8188
> get=8189...12175
> new=8192...12175
> Recived=3987,RecivedTotal=12127
> ```
> This test result shows that some tuples appear in the expired list directly,
> we lost these data if we just use get() to get tuples, this is the first bug.
> The second: the tuples of get() has overlap, the getNew() seems alright.
> The problem not happen definitely, may need to try several times.
> Actually, I'm newbie about storm, so I'm not sure this is a bug indeed, or, I
> use it in wrong way?
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