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From "Billie Rinaldi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3725) Majc trace tacked onto minc trace
Date Tue, 14 Apr 2015 16:24:13 GMT
Billie Rinaldi created ACCUMULO-3725:
----------------------------------------

             Summary: Majc trace tacked onto minc trace
                 Key: ACCUMULO-3725
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3725
             Project: Accumulo
          Issue Type: Bug
          Components: trace
            Reporter: Billie Rinaldi
            Assignee: Billie Rinaldi
             Fix For: 1.7.0


[~elserj] noticed an issue where a minorCompaction trace of length 10295 ms also contained
spans for a major compaction starting at time offset 46336 ms.  Looking into this, it seems
like MinorCompactionTask.run does the following:
{noformat}
start minc root span
try {
  minor compaction
  maybe major compaction
} finally {
  stop minc root span
}
{noformat}
The major compaction is async, so it gets initiated with the minor compaction span as its
parent, then the minor compaction span is stopped, and at some point later the major compaction
occurs.



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