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. > > >
