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https://issues.apache.org/jira/browse/AVRO-275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Philip Zeyliger updated AVRO-275:
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Attachment: AVRO-275.patch.txt
Attaching a patch.
I went for a non-adaptive approach: you have to specify the formula (a
"segmenter" implementation: I don't much like the name) by which to bucket your
values ahead of time, as well as the number of buckets. I wrote one
implementation of this formula (using a TreeMap), and linear and exponential
versions make sense too.
This may be more convoluted than necessary: I support generic buckets, not just
numbers.
I looked around a bit on whether I should have borrowed other Apache-licensed
code. http://code.google.com/p/hist4j/ has an adaptive approach. Apache
commons math has summary statistics code.
> Histogram class to keep RPC timing stats
> ----------------------------------------
>
> Key: AVRO-275
> URL: https://issues.apache.org/jira/browse/AVRO-275
> Project: Avro
> Issue Type: New Feature
> Components: java
> Reporter: Philip Zeyliger
> Assignee: Philip Zeyliger
> Priority: Minor
> Attachments: AVRO-275.patch.txt
>
>
> Class to keep a histogram of RPC timinigs for AVRO-270.
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