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[Question #251104]: Graphite metric search using the OR operation

To: graphite-dev@xxxxxxxxxxxxxxxxxxx
From: Sumeet Grover <question251104@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 02 Jul 2014 15:51:50 -0000
Reply-to: question251104@xxxxxxxxxxxxxxxxxxxxx
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New question #251104 on Graphite:
https://answers.launchpad.net/graphite/+question/251104

I am trying to fetch a list of metrics via the Render URL API in Graphite, such that only one of the matches are returned. For example, the following, hypothetical scenario:

os.redhat.server1.disk1.pct_size_used

os.redhat.server1.disk1.pct_inodes_used

So I want to fetch the following for all the disks such that if they are not recording "pct_size_used", the API should return their "pct_inodes_used" metric instead, but in cases where both metrics are recorded, API should only return the "pct_size_used":

os.redhat.server1.*.(pct_size_used|pct_inodes_used)

Any ideas how to do this? I know Graphite uses the Glob function internally to search for metrics, and Glob function does not support any such operation. 


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