Can you elaborate a bit your analyze and test case ?

Thanks
Regards 
JB

> Le 5 oct. 2021 à 07:20, Balamurugan Seenivasan <tosb...@gmail.com> a écrit :
> 
> Hi,
> 
> Thanks for your reply.
> 
> This issue exists for us even if we start out with a clean environment (with 
> a brand new database).
> We even noticed this issue with KahaDB too.
> This is consistently reproducible for us.
> 
> Regards,
> Bala
> 
>> On 2021/10/01 17:56:07, Matt Pavlovich <mattr...@gmail.com> wrote: 
>> Hi Balamurugan-
>> 
>> Is the broker restarted at any time in this sequence of events?
>> 
>> 
>> Keep in mind—  
>> 
>> Pending Count can be higher than Enqueue Count when the broker is restarted 
>> and messages remained on the queue. 
>> 
>> a. Enqueue and Dequeue counts reset are for that broker’s uptime. 
>> 
>> b. Pending Count (aka queueSize) is how many messages are currently in the 
>> store.
>> 
>> -Matt Pavlovich
>> 
>>>> On Oct 1, 2021, at 7:29 AM, Tim Bain <tb...@alumni.duke.edu> wrote:
>>> 
>>> The fact that pending messages > enqueued messages looks suspicious, so my
>>> expectation is that this will turn out to be a bug in the statistics code.
>>> But the information I requested may help us to confirm that.
>>> 
>>> Tim
>>> 
>>>> On Fri, Oct 1, 2021, 6:23 AM Jean-Baptiste Onofré <j...@nanthrax.net> 
>>>> wrote:
>>> 
>>>> Hi,
>>>> 
>>>> enqueued and dequeued only increase.
>>>> 
>>>> The main indicator to check is the pending.
>>>> 
>>>> If pending count is increasing, it means that the queue size grow
>>>> infinitely. enqueued is the number of produced messages (not necessary
>>>> still in the queue). So, which value are you referencing ?
>>>> BrowsingMessages can "lock" the messages, blocking the consumers
>>>> (depending the way you do it).
>>>> 
>>>> Regards
>>>> JB
>>>> 
>>>> On 29/09/2021 09:23, Balamurugan Seenivasan wrote:
>>>>> Hi,
>>>>> 
>>>>> We notice an issue recently in production where the messages in queue
>>>> size grows disproportionate to the number of messages actually produced.
>>>>> Queue size grows close to 3 million in about 3 days while the actual
>>>> messages produced are way less than the actual queue size.
>>>>> 
>>>>> Here is one snapshot of how the queue looks like when actual messages
>>>> produced are only around 60000.
>>>>> 794712 (pending)    8(consumers)    679793(enqueued)    507419(dequeued)
>>>>> 
>>>>> We use browseMessages extensively (from around 50 threads) using
>>>> selectors like 'JMSCorrelationID LIKE <data>%'.
>>>>> We notice this issue only with those queues we use browseMessages
>>>> against.
>>>>> Not sure if there is a link to usage of browseMessages.
>>>>> 
>>>>> AMQ version: 5.16.3 (windows)
>>>>> Persistence:
>>>>> Yes (Microsoft SQL Server 2019 on Linux (Ubuntu 16.04.6 LTS) <X64>,
>>>> mssql-jdbc-9.4)
>>>>> config:
>>>>>              <persistenceAdapter>
>>>>>                        <jdbcPersistenceAdapter
>>>> dataDirectory="activemq-data" dataSource="#mssql-ds"
>>>> lockKeepAlivePeriod="5000">
>>>>> 
>>>> <adapter><transact-jdbc-adapter/></adapter>
>>>>>                                <locker>
>>>>>                                        <lease-database-locker
>>>> lockAcquireSleepInterval="10000"/>
>>>>>                                </locker>
>>>>>                        </jdbcPersistenceAdapter>
>>>>>                </persistenceAdapter>
>>>>> 
>>>>> Appreciate any help/pointers narrowing down the cause.
>>>>> 
>>>> 
>> 
>> 

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