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Posted to issues@hawq.apache.org by "Paul Guo (JIRA)" <ji...@apache.org> on 2017/05/10 04:13:04 UTC
[jira] [Assigned] (HAWQ-1460) WAL Send Server process should exit
if postmaster on master is killed
[ https://issues.apache.org/jira/browse/HAWQ-1460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul Guo reassigned HAWQ-1460:
------------------------------
Assignee: Paul Guo (was: Ed Espino)
> WAL Send Server process should exit if postmaster on master is killed
> ---------------------------------------------------------------------
>
> Key: HAWQ-1460
> URL: https://issues.apache.org/jira/browse/HAWQ-1460
> Project: Apache HAWQ
> Issue Type: Bug
> Components: Core
> Reporter: Paul Guo
> Assignee: Paul Guo
> Fix For: 2.3.0.0-incubating
>
>
> If we kill the postmaster on master, we will see two processes keep running.
> pguo 44007 1 0 16:35 ? 00:00:00 postgres: port 5432, master logger process
> pguo 44014 1 0 16:35 ? 00:00:00 postgres: port 5432, WAL Send Server process
> Well, maybe we should exit the "WAL Send Server process" so that the processes on master are all gone via checking PostmasterIsAlive() in its loop code.
> Note in distributed system any process could be killed at any time without any callback, handler etc.
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