[jira] [Closed] (FLINK-8403) Flink Gelly examples hanging without returning result

["flora karniav (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-8403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

flora karniav closed FLINK-8403.
--------------------------------
       Resolution: Not A Bug
    Fix Version/s: 1.3.2

> Flink Gelly examples hanging without returning result
> -----------------------------------------------------
>
>                 Key: FLINK-8403
>                 URL: https://issues.apache.org/jira/browse/FLINK-8403
>             Project: Flink
>          Issue Type: Bug
>          Components: Gelly
>    Affects Versions: 1.3.2
>         Environment: CentOS Linux release 7.3.1611
>            Reporter: flora karniav
>              Labels: examples, gelly, performance
>             Fix For: 1.3.2
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> Hello, I am currently running and measuring Flink Gelly examples (Connected components and Pagerank algorithms) with different SNAP datasets. When running with the Twitter dataset for example (https://snap.stanford.edu/data/egonets-Twitter.html) which has 81,306 vertices everything executes and finishes OK and I get the reported job runtime. On the other hand,  executions with datasets having a bigger number of vertices, e.g. https://snap.stanford.edu/data/com-Youtube.html with 1,134,890 vertices, hang with no result and reported time, while at the same time I get "Job execution switched to status FINISHED."
> I thought that this could be a memory issue so I reached 125GB of RAM assigned to my taskmanagers (and jobmanager), but still no luck. 
> The exact command I am running is:
> ./bin/flink run examples/gelly/flink-gelly-examples_*.jar --algorithm PageRank --directed false  --input_filename hdfs://sith0:9000/user/xx.txt --input CSV --type integer --input_field_delimiter $' ' --output print



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