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https://issues.apache.org/jira/browse/CASSANDRA-3455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis resolved CASSANDRA-3455.
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Resolution: Later
> Active tasks should be exposed separately from pending
> ------------------------------------------------------
>
> Key: CASSANDRA-3455
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3455
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Sylvain Lebresne
> Assignee: Sylvain Lebresne
> Priority: Minor
> Fix For: 1.2.0
>
> Attachments: 0001-Update-pending-task-count.patch
>
>
> In our TheadExecutor JMX metrics, 'pending tasks' includes 'active tasks'
> (because it's taskCount-completedTaskCount). I think this is
> counter-intuitive for most people (of course you could define 'pending tasks'
> as the 'pending of being fully executed' but you usually want pending to
> indicate if there is tasks that have to wait to be executed). Besides, I
> believe the initial intention was not to have pending to include active given
> the following comment:
> {noformat}
> /**
> * Get the number of tasks waiting to be executed
> */
> public long getPendingTasks()
> {noformat}
> This ticket propose to fix that.
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