An API for reporting performance metrics
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Key: HADOOP-132
URL: http://issues.apache.org/jira/browse/HADOOP-132
Project: Hadoop
Type: New Feature
Reporter: David Bowen
I'd like to propose adding an API for reporting performance metrics. I will
post some javadoc as soon as I figure out how to do so. The idea is for the
API to be sufficiently abstract that various different implementations can be
plugged in. In particular, there would be one that just writes the metric data
to a file, and another that sends metrics to Ganglia. It would also be
possible to plug in an implementation that can support high-frequency (say,
per-second) sending of fairly large amounts of data (up to hundreds of metrics)
across the network.
I'd be very interested in people's thoughts about what the requirements should
be for such an API.
- David Bowen
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