Using chronicle map to store off heap data easily

This is interesting. Right now AMQ5 uses ConcurrentHashMap and for large heaps this has some obvious GC issues. 1. You have to keep a LARGE % of the JVM memory free for large GCs. 2. All the objects pool into the old generation screwing up GC and wasting cycles for every GC. Then there’s

JMS to JMS bridge connection

Hi everyone, I'm using a JMS to JMS bridge consuming from queueA and dispatching the messages to queue B (connection to WebLogic Service). I was having problems to make the connection to the WebLogic, but there was no output in the logs that it fails to connect. Only when I changed the logs to

Failed to checkpoint a message store in activemq 5.9.0

Hi All I am using *activemq 5.9.0* with persistence message below is activemq config persistenceFactory journalPersistenceAdapterFactory journalLogFiles=5 journalLogFileSize=50MB dataDirectory=${activemq.base}/data dataSource=#amq1.local-ds useDatabaseLock=false

Re: Using chronicle map to store off heap data easily

We run on VMs where even local disk is on a SAN, so anything that stays in memory (i.e. ConcurrentHashMap) will be faster than anything that gets written to disk (i.e. ChronicleHashMap), even if it eliminates garbage collection. So this isn't a drop-in replacement we'd welcome unless it was

ActiveMQ (using in Camel) In/OUT endpoint creates additional consumers on response queue which are more than maxConcurrentConsumers

Hi Everyone, We are using Camel 2.13.2 and ActiveMQ 5.9.0. The configuration of activemq broker is as follows: bean id=activemq class=org.apache.activemq.camel.component.ActiveMQComponent property name=configuration ref=jmsConfig / property

JDBC Failover - Slave shutting down

Hi, i'm facing problem with JDBC failover scenario. Using version 5.11.1. Have two brokers: -broker1 running on server01.no:61616 -broker2 running on server02.no:61616 and 1 shared oracle database. When broker1 starts = become a master and lock the DB, when broker2 starts become a slave and

Re: Message is moved to DLQ without clear cause

We see the exact same behaviour. Since it is crucial that we do not loose any messages we have increased the redelivery to 3. Have you been able to find the root cause of this yet? /Jörgen * DISCLAIMER * This message and any attachment are confidential and may be privileged or

ActiveMQ 5.11 with WebSphere Application Server 8.5

Hi all, Does anybody know which jars from ActiveMQ 5.11 I need to use with IBM Websphere Application Server 8.5.5 in order to create a new ActiveMQ JMS Provider? I found discussions related to older ActiveMQ versions that don't seem applicable anymore because the way ActiveMQ is packaged has

Business benefits - upgrading from ActiveMQ 5.8 to 5.11

Hi, We currently got ActiveMQ5.8 and thinking of upgrading to 5.11 to have a stable and supported version of the product. Could anyone list the benefits of upgrading for 1. Business and 2. Technical People? How to relate the new / enhanced features of 5.11 to the benefits which business could

Re: Using chronicle map to store off heap data easily

I agree 110%. Chronicle also works with memory. ChronicleMapBuilder create http://openhft.github.io/Chronicle-Map/apidocs/net/openhft/chronicle/map/ChronicleMapBuilder.html#create-- () Creates a new hash container, storing it's data in off-heap memory, not mapped to any file. I assume