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Mirror of Apache ActiveMQ Artemis
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Justin Bertram 10adca5479 ARTEMIS-4923 reduce synchronization in ManagementServiceImpl 
The `ManagementService` is used by the broker to register and
unregister components for management as well as send notifications.
When the broker is busy dealing with new sessions and auto-creating
queues, addresses, etc. there is a lot of contention.

To reduce synchronization and improve the service overall this commit
does the following:

 - Remove `synchronized` from most methods. In most cases it's
   completely unnecessary because the methods are already using a
   thread-safe data-structure (e.g. `ConcurrentHashMap`) or more
   specific synchronization is already in place (e.g. on
   `mbeanServer`).
 - Adds new & clarifies existing logging.
 - Synchronizes `start` & `stop` methods and adds gates via `started`.
 - Simplifies the `sendNotification` method by synchronizing once rather
   than twice and performing legitimacy checks sooner.
 - Removing an unnecessary overload of the `registereQueue` method.

To be clear, there are no tests included with this commit as there
should be no semantic changes. Existing tests should be sufficient to
identify any regressions.
 		2024-07-23 09:19:18 -07:00
.github NO-JIRA ignore jakarta.resource:jakarta.resource-api >= 2 2024-07-02 21:37:49 -05:00
.settings ACTIVEMQ6-1 - Initial HornetQ Donation Commit 2014-11-10 10:31:25 -06:00
artemis-bom [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-boot ARTEMIS-4829 use lambdas consistently 2024-06-21 12:01:16 -04:00
artemis-cdi-client ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-cli ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-commons ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-core-client ARTEMIS-4941 Remove lazy update after application properties as it's no longer needed 2024-07-22 15:31:36 -04:00
artemis-core-client-all [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-core-client-osgi [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-distribution [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-docker ARTEMIS-4816: Docker image echo's admin credentials during startup 2024-06-13 11:40:08 -04:00
artemis-dto ARTEMIS-4890: dont define specific version, just use parent managed version that was already 3.1.0 2024-07-02 11:47:06 +01:00
artemis-features [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-hawtio [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-image [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-jakarta-client ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-jakarta-client-all [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-jakarta-ra ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-jakarta-server ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-jakarta-service-extensions ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-jdbc-store ARTEMIS-4913 provide more details on error callbacks 2024-07-22 15:38:25 +01:00
artemis-jms-client ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-jms-client-all [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-jms-client-osgi [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-jms-server ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-journal ARTEMIS-4913 provide more details on error callbacks 2024-07-22 15:38:25 +01:00
artemis-junit [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-lockmanager [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-log-annotation-processor ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-maven-plugin ARTEMIS-4918: artemis-maven-plugin tweaks and cleanup 2024-07-10 15:22:53 +01:00
artemis-pom ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-protocols ARTEMIS-4941 Remove lazy update after application properties as it's no longer needed 2024-07-22 15:31:36 -04:00
artemis-ra ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-selector [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-server ARTEMIS-4923 reduce synchronization in ManagementServiceImpl 2024-07-23 09:19:18 -07:00
artemis-server-osgi ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-service-extensions ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-unit-test-support [maven-release-plugin] prepare for next development iteration 2024-06-12 11:58:53 -04:00
artemis-web ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
artemis-website ARTEMIS-4872: use explicit annotationProcessorPaths compiler config 2024-06-28 16:49:27 +01:00
docs ARTEMIS-4948 clarify failover-on-shutdown doc 2024-07-23 10:55:21 -05:00
etc ARTEMIS-4848 Bump org.codehaus.mojo:javacc-maven-plugin from 2.6 to 3.1.0 2024-06-26 14:20:53 -05:00
scripts NO-JIRA change one-test.sh to redirect test output to System.out 2024-07-10 10:03:29 -04:00
tests NO-JIRA Making test more resilient 2024-07-22 18:57:27 -04:00
.asf.yaml NO-JIRA: have github commit log display auto-link ARTEMIS Jira project references 2023-09-21 11:36:41 +01:00
.gitignore ARTEMIS-4383 migrate user docs to AsciiDoc 2023-08-02 16:21:06 -04:00
.project More name changes to activemq 2014-11-19 16:01:54 -05:00
LICENSE ARTEMIS-4383: add RAT config to fix the build, and LICENSE updates to reflect the new files 2023-08-03 13:04:47 +01:00
NOTICE NO-JIRA update NOTICE files! Happy new year 2024-01-03 09:16:19 -05:00
README.md Clarify classic wording 2024-02-19 16:06:40 -06:00
RELEASING.md NO-JIRA: update with note+instructions to push tag now created by examples release helper script 2024-07-16 10:48:07 +01:00
artemis_doap.rdf Update vendor to ASF 2015-05-30 08:37:28 +02:00
pom.xml ARTEMIS-4946 Bump selenium.version from 4.22.0 to 4.23.0 2024-07-22 15:39:23 -05:00

README.md

Welcome to Apache ActiveMQ Artemis

ActiveMQ Artemis is the next generation message broker from Apache ActiveMQ.

Getting Started

See the User Manual for an in-depth explanation of all aspects of broker configuration and behavior.

The ActiveMQ Artemis Examples repository contains over 90 examples demonstrating many of the client and broker features.

How to Build, etc.

See the Hacking Guide for details about modifying the code, building the project, running tests, IDE integration, etc.

Migrate from ActiveMQ Classic

See the Migration Guide for information about the architectural and configuration differences between ActiveMQ Classic and ActiveMQ Artemis.

Report an Issue

See our website for details on how to report an bug, request a feature, etc.