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Posted to issues@spark.apache.org by "Krishna Kalyan (JIRA)" <ji...@apache.org> on 2016/08/09 18:29:20 UTC
[jira] [Commented] (SPARK-6832) Handle partial reads in SparkR JVM
to worker communication
[ https://issues.apache.org/jira/browse/SPARK-6832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15413972#comment-15413972 ]
Krishna Kalyan commented on SPARK-6832:
---------------------------------------
[~shivaram]
I see that changes need to made in `R/pkg/R/deserialize.R` and specifically in the `readString` function. However I dont understand how to go about making changes to enable partial reads. I have gone through `https://stat.ethz.ch/R-manual/R-devel/library/base/html/readBin.html`.
Thanks,
Krishna
> Handle partial reads in SparkR JVM to worker communication
> ----------------------------------------------------------
>
> Key: SPARK-6832
> URL: https://issues.apache.org/jira/browse/SPARK-6832
> Project: Spark
> Issue Type: Improvement
> Components: SparkR
> Reporter: Shivaram Venkataraman
> Priority: Minor
>
> After we move to use socket between R worker and JVM, it's possible that readBin() in R will return partial results (for example, interrupted by signal).
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