Sending binaries over relations

Mark Shuttleworth mark at ubuntu.com
Wed Jan 20 16:53:48 UTC 2016


On 20/01/16 14:24, Merlijn Sebrechts wrote:
> So my question is: Is there a way to send large binary files between
> Charms? Or is this problem better solved by using a subordinate
> kafka-plugin Charm like the Hadoop Charms do?

It sounds like you want the new "Resources" capability coming in Juju 2.0 :)

For shared large blobs (like a JVM or a big ball of libraries) the charm
can ask the state server to cache the blob and distribute it to all the
units. There are mechanisms for users to supply the blob if needed, too.

Mark



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