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https://issues.apache.org/jira/browse/HAWQ-994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Goden Yao updated HAWQ-994:
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Fix Version/s: backlog
> PL/R UDF need to be separated from postgres process for robustness
> ------------------------------------------------------------------
>
> Key: HAWQ-994
> URL: https://issues.apache.org/jira/browse/HAWQ-994
> Project: Apache HAWQ
> Issue Type: New Feature
> Reporter: Ming LI
> Assignee: Lei Chang
> Fix For: backlog
>
>
> Background:
> In previous single node DB, user always deploy testing code on another
> testing DB. Now the data maintained in HAWQ grows enormously, so it is hard
> to deploy a testing hawq with the same test data.
> So user need to run some testing UDF or deploy some UDFs which lack of
> testing the whole data directly onto hawq in production env, which may crash
> in PL/R or R code. Sometimes poorly written query leads to postmaster reset
> causing all running jobs to be cancelled and rolled back. Customer often sees
> this as a HAWQ issue even if it is a user code issue. So we need to separated
> from postgres process, and change inter process communication from shared
> memory to others(e.g. pipe, socket and so on).
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