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From "Blair Zajac (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-5816) [PATCH] Debian packaging: also recommend chrony and ptpd in addition to ntp
Date Mon, 29 Jul 2013 22:59:48 GMT


Blair Zajac commented on CASSANDRA-5816:

We're using ansible [1] to do our installs into EC2 so we have a 'base' playbook that does
a minimal install of required packages, which includes chrony, and then a 'cassandra' playbook
deploys Cassandra on top of the base install, so the package install order is fixed.

So there are multiple ways to skin the cat; I just prefer to update Cassandra's packaging.

Are you removing your -1 then and giving the go-ahead to add "ntp | time-daemon"?
> [PATCH] Debian packaging: also recommend chrony and ptpd in addition to ntp
> ---------------------------------------------------------------------------
>                 Key: CASSANDRA-5816
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Packaging
>    Affects Versions: 1.2.7
>            Reporter: Blair Zajac
>            Assignee: Blair Zajac
>            Priority: Minor
> I'm switching my Ubuntu servers running Cassandra from ntp to chrony for the reasons
cited here when Fedora made the switch to have chrony be the default NTP client:
> Currently, the debian packaging recommends only ntp so if chrony is installed it'll want
to remove it and install ntp.  I also added ptpd, the Precision Time Protocol daemon, which
is another time syncing server for completeness.
> Please apply this to the 1.2 branch so the next 1.2.x release can deploy with chrony.
> Below is the patch since it's a one-liner.
> Thanks,
> Blair
> --- a/debian/control
> +++ b/debian/control
> @@ -12,7 +12,7 @@ Standards-Version: 3.8.3
>  Package: cassandra
>  Architecture: all
>  Depends: openjdk-6-jre-headless (>= 6b11) | java6-runtime, jsvc (>= 1.0), libcommons-daemon-java
(>= 1.0), adduser, libjna-java, python (>= 2.5), python-support (>= 0.90.0), ${misc:Depends}
> -Recommends: ntp
> +Recommends: chrony | ntp | ptpd
>  Conflicts: apache-cassandra1
>  Replaces: apache-cassandra1
>  Description: distributed storage system for structured data

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