Leif Hedstrom created TS-3183:
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Summary: Clean up (and/or eliminate?) proxy.node metrics
Key: TS-3183
URL: https://issues.apache.org/jira/browse/TS-3183
Project: Traffic Server
Issue Type: Improvement
Components: Metrics
Reporter: Leif Hedstrom
There's two types of metrics it seems, proxy.node and proxy.process.
Unfortunately, in at least a few cases, the same metrics get duplicated into
both. I'm not sure why that makes sense, ever, so I think we should clean that
up. That would certainly make it less confusing.
Secondly, it seems proxy.node metrics, which are registered via
RecordsConfig.cc, are primarily used for computed metrics. These are metrics
synthesized via the stats.config.xml mechanism. Albeit being useful, what's bad
with the current design here is that adding new metrics to the XML config file
still requires a change to RecordsConfig.cc. This makes no sense to me, so
perhaps the proxy.node metrics should all be eliminated from RecordsConfig.cc,
and exclusively owned (registered and updated) via the XML config format.
Elimination, or renaming, of any of these metrics would be an incompatible
change. Therefore, it would go into 6.0.0.
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