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https://issues.apache.org/jira/browse/CASSANDRA-13148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16085526#comment-16085526
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Murukesh Mohanan commented on CASSANDRA-13148:
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[~hoall] Carrying over the discussion from CASSANDRA-13436, if you want to
start services when Cassandra starts *listening*, you need a slightly more
complex setup. See [this thread on the systemd-devel mailing
list|https://lists.freedesktop.org/archives/systemd-devel/2015-May/032278.html]
or this [Unix & Linux Stack Exchange
post|https://unix.stackexchange.com/q/241962/70524] (both of which
coincidentally happen to be about Cassandra!), for example. The consensus seems
to be essentially:
1. Use an {{ExecStartPost}} command which waits for the relevant port to start
listening, or
2. Use an additional service which waits for the relevant port to start
listening and depend on it
The latter is more flexible, since you can start services dependent on the
various ports (JMX, CQL, etc.) independently.
> Systemd support for RPM
> -----------------------
>
> Key: CASSANDRA-13148
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13148
> Project: Cassandra
> Issue Type: New Feature
> Components: Packaging
> Reporter: Spiros Ioannou
>
> Since CASSANDRA-12967 will provide an RPM file, it would be greatly
> beneficial if this package included systemd startup unit configuration
> instead of the current traditional init-based, which misbehaves on
> RHEL7/CentOS7.
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