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https://issues.apache.org/jira/browse/DIRMINA-331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gaston Dombiak updated DIRMINA-331:
-----------------------------------
Description:
The instance variable polledSessions is not thread-safe (i.e. uses ArrayList)
and its access is not always protected (e.g. StatCollector$Worker#run()). Under
heavy load this is producing an error in the Worker.
The bytesReadThroughput statistic is incorrectly being set. It is adding up the
throughput of written messages.
Instance variables: msgWrittenThroughput, msgReadThroughput,
bytesWrittenThroughputand bytesReadThroughput could be corrupted and return an
unexpected value since they are not thread safe and 2 different threads may be
changing them.
was:
The instance variable polledSessions is not thread-safe (i.e. uses ArrayList)
and its access is not always protected (e.g. StatCollector$Worker#run()). Under
heavy load this is producing an error in the Worker.
The bytesReadThroughput statistic is incorrectly being set. It is adding up the
throughput of written messages.
> StatCollector is not thread safe and some stats are being mixed up
> ------------------------------------------------------------------
>
> Key: DIRMINA-331
> URL: https://issues.apache.org/jira/browse/DIRMINA-331
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.1
> Reporter: Gaston Dombiak
> Fix For: 1.1
>
>
> The instance variable polledSessions is not thread-safe (i.e. uses ArrayList)
> and its access is not always protected (e.g. StatCollector$Worker#run()).
> Under heavy load this is producing an error in the Worker.
> The bytesReadThroughput statistic is incorrectly being set. It is adding up
> the throughput of written messages.
> Instance variables: msgWrittenThroughput, msgReadThroughput,
> bytesWrittenThroughputand bytesReadThroughput could be corrupted and return
> an unexpected value since they are not thread safe and 2 different threads
> may be changing them.
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