Paul Guo created HAWQ-1460:
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Summary: 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: Ed Espino
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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