[
https://issues.apache.org/jira/browse/BEAM-7442?focusedWorklogId=251845&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-251845
]
ASF GitHub Bot logged work on BEAM-7442:
----------------------------------------
Author: ASF GitHub Bot
Created on: 31/May/19 15:34
Start Date: 31/May/19 15:34
Worklog Time Spent: 10m
Work Description: mxm commented on issue #8715: [BEAM-7442][BEAM-5650]
Read sequentially from bounded sources in UnboundedSourceWrapper
URL: https://github.com/apache/beam/pull/8715#issuecomment-497754559
Unrelated failure in Java PreCommit:
```org.apache.beam.runners.dataflow.worker.fn.control.TimerReceiverTest.testSingleTimerScheduling```
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
Issue Time Tracking
-------------------
Worklog Id: (was: 251845)
Time Spent: 2h (was: 1h 50m)
> Bounded Reads for Flink Runner fails with OOM
> ---------------------------------------------
>
> Key: BEAM-7442
> URL: https://issues.apache.org/jira/browse/BEAM-7442
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Reporter: Akshay Iyangar
> Assignee: Akshay Iyangar
> Priority: Major
> Time Spent: 2h
> Remaining Estimate: 0h
>
> When Flink runner is reading from a bounded source and if the total number of
> files are huge and the count is more. FlinkRunner throws an OOM error. This
> is happening because the current implementation doesn't read them
> sequentially but simultaneously thus causing all of the files to be in memory
> which quickly breaks the cluster.
> Solution : To wrap `UnboundedReadFromBoundedSource` class by a wrapper to see
> that when the stream is a bounded source we make it read it sequentially
> using a queue.
>
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
