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Re: [Question #156746]: carbon-relay CPU use unchecked

To: graphite-dev@xxxxxxxxxxxxxxxxxxx
From: Grant Heffernan <question156746@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 09 May 2011 13:31:13 -0000
Reply-to: question156746@xxxxxxxxxxxxxxxxxxxxx
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Question #156746 on Graphite changed:
https://answers.launchpad.net/graphite/+question/156746

Description changed to:
I'm currently running a 4 node cluster, with a fifth dedicated to running carbon-relay + node to receive and distribute inbound data.
What I'm seeing is carbon-relay continues to consume ever more CPU until, over the course of about 12 hours or so, it finally crashes. I'd seen similar things with carbon-cache when MAX_CACHE_SIZE is left at 'inf', but as far as I can see I have no facility to control a similar setting for the relay (I'd assumed it wasn't used for the relay at all).

Here's my [relay] section of carbon.conf:


[relay]
LINE_RECEIVER_INTERFACE = 0.0.0.0
LINE_RECEIVER_PORT = 2003

PICKLE_RECEIVER_INTERFACE = 0.0.0.0
PICKLE_RECEIVER_PORT = 2004

MAX_QUEUE_SIZE = 50000

# This defines the maximum "message size" between carbon daemons.
# You shouldn't need to tune this unless you really know what you're doing.
MAX_DATAPOINTS_PER_MESSAGE = 500

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