[GitHub] [accumulo] EdColeman opened a new pull request #1046: Updating master metrics to provide FATE operational metrics.

[GitBox <gi...@apache.org>]

EdColeman opened a new pull request #1046: Updating master metrics to provide FATE operational metrics.
URL: https://github.com/apache/accumulo/pull/1046
 
 
   This pull request if for comments to approach - the code should be functionally complete, but additional work on unit and IT test is required before final merge.  
   
   The metrics included are:
   
   - number of current fate transactions when metric is sampled.
   the number of changes to the FATE parent node in Zookeeper - this provides a measure of transaction progress between samples.
   number of zookeeper errors occurring when sampling to help diagnose zookeeper issues if metrics are not responding.
   
   Also some other IT tests can be refactored to reduce code duplication creating tests that require a long running transaction.

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