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From "Josh Elser (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-3725) Majc trace tacked onto minc trace
Date Tue, 14 Apr 2015 17:24:13 GMT


Josh Elser commented on ACCUMULO-3725:

I just tested out a quick patch Billie whipped up and sent me that moves the annotations up
into the try-block and copies the span.close() into the try block as well (leaving the span.close()
also in the finally block). This appears to work as expected when running a short continuous

> Majc trace tacked onto minc trace
> ---------------------------------
>                 Key: ACCUMULO-3725
>                 URL:
>             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 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

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