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From "Billie Rinaldi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-3863) Improve how AsyncSpanReceiver drops short spans
Date Thu, 28 May 2015 14:26:36 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-3863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Billie Rinaldi updated ACCUMULO-3863:
-------------------------------------
    Fix Version/s:     (was: 1.7.1)
                       (was: 1.6.3)

> Improve how AsyncSpanReceiver drops short spans
> -----------------------------------------------
>
>                 Key: ACCUMULO-3863
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3863
>             Project: Accumulo
>          Issue Type: Bug
>          Components: trace
>    Affects Versions: 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.6.1, 1.6.2, 1.7.0
>            Reporter: Billie Rinaldi
>            Assignee: Billie Rinaldi
>
> It just occurred to me that we are dropping 0ms spans when we poll the sendQueue for
a span to deliver via thrift.  It would cause less churn in the queue if we dropped the span
as soon as we received it, before inserting it into the queue.
> This is already fixed in 1.6.3 which no longer drops 0ms spans.  It is only really a
concern in 1.7.0 if you are using HDFS tracing, which generates a LOT of 0ms spans.



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