[jira] [Created] (DRILL-6282) Excluding io.dropwizard.metrics dependencies

["Vitalii Diravka (JIRA)" <ji...@apache.org>]

Vitalii Diravka created DRILL-6282:
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             Summary: Excluding io.dropwizard.metrics dependencies
                 Key: DRILL-6282
                 URL: https://issues.apache.org/jira/browse/DRILL-6282
             Project: Apache Drill
          Issue Type: Improvement
          Components: Tools, Build & Test
    Affects Versions: 1.13.0
            Reporter: Vitalii Diravka
            Assignee: Vitalii Diravka
             Fix For: 1.14.0


There are three types of metrics-core in Drill: 
1. _com.yammer.metrics_, 
2. _com.codahale.metrics_, 
3. _io.dropwizard.metrics_
Drill uses only 1 and 2. The last 3 one is used by Hive.
1st one has different class full identifiers, but the 2 and 3 ones have the same class full identifiers and maven doesn't know which library to use ([https://github.com/dropwizard/metrics/issues/1044]).
But I found that 3 one library is used by Hive only for tests, therefore it is not required for Drill and could be excluded from hive-metastore and hive-exec.
The dependencies conflict is related not only to metrics-core, but to metrics-servlets and metrics-json as well.

All these metrics should be organized with proper excluding and dependency management blocks.



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