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Posted to dev@toree.apache.org by "Gino Bustelo (JIRA)" <ji...@apache.org> on 2016/04/15 17:30:25 UTC
[jira] [Commented] (TOREE-299) Create spark context lazily to avoid
long startup times for the kernel
[ https://issues.apache.org/jira/browse/TOREE-299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15243106#comment-15243106 ]
Gino Bustelo commented on TOREE-299:
------------------------------------
I think we should try to do this for 0.1.0 because the slow start time reflects poorly.
> Create spark context lazily to avoid long startup times for the kernel
> ----------------------------------------------------------------------
>
> Key: TOREE-299
> URL: https://issues.apache.org/jira/browse/TOREE-299
> Project: TOREE
> Issue Type: Improvement
> Reporter: Gino Bustelo
> Fix For: 0.1.0
>
>
> Currently the options are to start or not start a kernel at startup time. The "not start" option leaves it all to the user.
> I propose that when the kernel is managing the spark context, that is starts it lazily when the user first tries to get a hold of the reference.
> I tried to do this as part of https://github.com/apache/incubator-toree/pull/15 but hit some roadblocks that I did not want to tackle as part of that PR.
> Now that the `sc`is a `def` it can easily be made lazy.
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