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Date: Fri, 14 Dec 2012 17:40:12 +0000 (UTC)
From: "Hiram Chirino (JIRA)" <jira@apache.org>
To: commits@activemq.apache.org
Message-ID: <JIRA.12623108.1355129145926.8038.1355506812818@arcas>
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Subject: [jira] [Commented] (APLO-276) Negative "swapped in" values reported
 by REST API
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    [ https://issues.apache.org/jira/browse/APLO-276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532484#comment-13532484 ] 

Hiram Chirino commented on APLO-276:
------------------------------------

Hi Lionel, 

I've tried setting up a test case /w 2 durable subs on a topic, 1 durable sub selecting only 1/2 the messages produced to it.  Then I produce a large number of messages to the queues to cause swapping to occur.  Then I drain those durable subs and the swapped in size goes to 0 as expected.   What version of the broker are you using?
                
> Negative "swapped in" values reported by REST API
> -------------------------------------------------
>
>                 Key: APLO-276
>                 URL: https://issues.apache.org/jira/browse/APLO-276
>             Project: ActiveMQ Apollo
>          Issue Type: Bug
>            Reporter: Lionel Cons
>
> Apollo sometimes report negative values for the "swapped in" messages. Querying /dest-metrics via REST I can currently see:
> {
>   'consumer_count' => 5,
>   'consumer_counter' => 49,
>   'current_time' => '1355129045937',
>   'dequeue_item_counter' => 46637,
>   'dequeue_size_counter' => 76516044,
>   'dequeue_ts' => '1355129045564',
>   'enqueue_item_counter' => 12278,
>   'enqueue_size_counter' => 19169564,
>   'enqueue_ts' => '1355129045698',
>   'expired_item_counter' => 0,
>   'expired_size_counter' => 0,
>   'expired_ts' => '1355128842177',
>   'nack_item_counter' => 0,
>   'nack_size_counter' => 0,
>   'nack_ts' => '1355128842177',
>   'objects' => 11,
>   'producer_count' => 54,
>   'producer_counter' => 142,
>   'queue_items' => 0,
>   'queue_size' => 0,
>   'swap_in_item_counter' => 7722,
>   'swap_in_size_counter' => 16214004,
>   'swap_out_item_counter' => 7011,
>   'swap_out_size_counter' => 15197687,
>   'swapped_in_items' => -6046,
>   'swapped_in_size' => -9274521,
>   'swapped_in_size_max' => 9175040,
>   'swapping_in_size' => 0,
>   'swapping_out_size' => 0
> };

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