activemq-artemis/docs/user-manual/en/configuration-index.md

Configuration Reference
=======================

This section is a quick index for looking up configuration. Click on the
element name to go to the specific chapter.

Server Configuration
====================

broker.xml
--------------------------

This is the main core server configuration file which contains the 'core'
element.
The 'core' element contains the main server configuration.

# System properties

It is possible to use System properties to replace some of the configuration properties. If you define a System property starting with "brokerconfig." that will be passed along to Bean Utils and the configuration would be replaced.

To define global-max-size=1000000 using a system property you would have to define this property, for example through java arguments:

```
java -Dbrokerconfig.globalMaxSize=1000000
```

You can also change the prefix through the broker.xml by setting:

```
<system-property-prefix>yourprefix</system-property-prefix>
```

This is to help you customize artemis on embedded systems.

# The core configuration

This describes the root of the XML configuration. You will see here also multiple sub-types listed.
For example on the main config you will have bridges and at the [list of bridge](#bridge-type) type we will describe the properties for that configuration.

Name | Description
:--- | :---
[acceptors](configuring-transports.md "Understanding Acceptors") | a list of remoting acceptors
[acceptors.acceptor](configuring-transports.md "Understanding Acceptors") | Each acceptor is composed for just an URL
[address-settings](address-model.md "Configuring Addresses and Queues Via Address Settings")                                                    |  [a list of address-setting](#address-setting-type)
[allow-failback](ha.md "Failing Back to live Server")                                                                              |  Should stop backup on live restart. default true
[amqp-use-core-subscription-naming](using-AMQP.md "Message Conversions")  | If true uses CORE queue naming convention for AMQP. default false
[async-connection-execution-enabled](connection-ttl.md "Configuring Asynchronous Connection Execution")  | If False delivery would be always asynchronous. default true
[bindings-directory](persistence.md "Configuring the bindings journal")  | The folder in use for the bindings folder
[bridges](core-bridges.md "Core Bridges")  | [a list of bridge](#bridge-type)
[broadcast-groups](clusters.md "Clusters")                                            | [a list of broadcast-group](#broadcast-group-type)
[configuration-file-refresh-period](config-reload.md) |  The frequency in milliseconds the configuration file is checked for changes (default 5000)
[check-for-live-server](ha.md)   |  Used for a live server to verify if there are other nodes with the same ID on the topology
[cluster-connections](clusters.md "Clusters") |  [a list of cluster-connection](#cluster-connection-type)
[cluster-password](clusters.md "Clusters")                                                                                              |   Cluster password. It applies to all cluster configurations.
[cluster-user](clusters.md "Clusters")                                                                                                  |   Cluster username. It applies to all cluster configurations.
[connection-ttl-override](connection-ttl.md)                                                                                                        |   if set, this will override how long (in ms) to keep a connection alive without receiving a ping. -1 disables this setting. Default -1
[connection-ttl-check-period](connection-ttl.md)                                                                                                    |   how often (in ms) to check connections for ttl violation. Default 2000
[connectors.connector](configuring-transports.md "Understanding Connectors") | The URL for the connector. This is a list
[create-bindings-dir](persistence.md "Configuring the bindings journal") |  true means that the server will create the bindings directory on start up. Default=true
[create-journal-dir](persistence.md)                                             |  true means that the journal directory will be created. Default=true
[discovery-groups](clusters.md "Clusters")                           |  [a list of discovery-group](#discovery-group-type)
[disk-scan-period](paging.md#max-disk-usage) | The interval where the disk is scanned for percentual usage. Default=5000 ms.
[diverts](diverts.md "Diverting and Splitting Message Flows")        |  [a list of diverts to use](#divert-type)
[global-max-size](paging.md#global-max-size) | The amount in bytes before all addresses are considered full. Default is half of the memory used by the JVM (-Xmx argument).
[graceful-shutdown-enabled](graceful-shutdown.md "Graceful Server Shutdown")      |  true means that graceful shutdown is enabled. Default=true
[graceful-shutdown-timeout](graceful-shutdown.md "Graceful Server Shutdown")      |  Timeout on waiting for clients to disconnect before server shutdown. Default=-1
[grouping-handler](message-grouping.md "Message Grouping")             |  Message Group configuration
[id-cache-size](duplicate-detection.md "Configuring the Duplicate ID Cache")  |  The duplicate detection circular cache size. Default=20000
[jmx-domain](management.md "Configuring JMX")                               |  the JMX domain used to registered MBeans in the MBeanServer. Default=org.apache.activemq
[jmx-management-enabled](management.md "Configuring JMX")                   |  true means that the management API is available via JMX. Default=true
[journal-buffer-size](persistence.md)                                               |  The size of the internal buffer on the journal in KB. Default=490 KiB
[journal-buffer-timeout](persistence.md)                                            |  The Flush timeout for the journal buffer
[journal-compact-min-files](persistence.md)                                         |  The minimal number of data files before we can start compacting. Setting this to 0 means compacting is disabled. Default=10
[journal-compact-percentage](persistence.md)                                        |  The percentage of live data on which we consider compacting the journal. Default=30
[journal-directory](persistence.md)                                                 |  the directory to store the journal files in. Default=data/journal
[journal-file-size](persistence.md)                                                 |  the size (in bytes) of each journal file. Default=10485760 (10 MB)
[journal-max-io](persistence.md#configuring-the-message-journal)           |  the maximum number of write requests that can be in the AIO queue at any one time. Default is 4096 for AIO and 1 for NIO, ignored for MAPPED.
[journal-min-files](persistence.md#configuring-the-message-journal)     |  how many journal files to pre-create. Default=2
[journal-pool-files](persistence.md#configuring-the-message-journal)     |  The upper threshold of the journal file pool,-1 (default) means no Limit. The system will create as many files as needed however when reclaiming files it will shrink back to the `journal-pool-files`
[journal-sync-non-transactional](persistence.md)                                      |  if true wait for non transaction data to be synced to the journal before returning response to client. Default=true
[journal-sync-transactional](persistence.md)                                          |  if true wait for transaction data to be synchronized to the journal before returning response to client. Default=true
[journal-type](persistence.md)                                                        |  the type of journal to use. Default=ASYNCIO
[journal-datasync](persistence.md)                                                        |  It will use msync/fsync on journal operations. Default=true.
[large-messages-directory](large-messages.md "Configuring the server")          |  the directory to store large messages. Default=data/largemessages
[management-address](management.md "Configuring Core Management")   |  the name of the management address to send management messages to. Default=activemq.management
[management-notification-address](management.md "Configuring The Core Management Notification Address") |  the name of the address that consumers bind to receive management notifications. Default=activemq.notifications
[mask-password](masking-passwords.md "Masking Passwords")  |  This option controls whether passwords in server configuration need be masked. If set to "true" the passwords are masked. Default=false
[max-saved-replicated-journals-size](ha.md#data-replication)                                                                |    This specifies how many times a replicated backup server can restart after moving its files on start. Once there are this number of backup journal files the server will stop permanently after if fails back. -1 Means no Limit, 0 don't keep a copy at all, Default=2
[max-disk-usage](paging.md#max-disk-usage) | The max percentage of data we should use from disks. The System will block while the disk is full. Default=100
[memory-measure-interval](perf-tuning.md)                                                             |  frequency to sample JVM memory in ms (or -1 to disable memory sampling). Default=-1
[memory-warning-threshold](perf-tuning.md)                                                            |  Percentage of available memory which will trigger a warning log. Default=25
[message-counter-enabled](management.md "Configuring Message Counters")                       |  true means that message counters are enabled. Default=false
[message-counter-max-day-history](management.md "Configuring Message Counters")               |  how many days to keep message counter history. Default=10 (days)
[message-counter-sample-period](management.md "Configuring Message Counters")                 |  the sample period (in ms) to use for message counters. Default=10000
[message-expiry-scan-period](message-expiry.md "Configuring The Expiry Reaper Thread")          |  how often (in ms) to scan for expired messages. Default=30000
[message-expiry-thread-priority](message-expiry.md "Configuring The Expiry Reaper Thread")      |  the priority of the thread expiring messages. Default=3
[password-codec](masking-passwords.md "Masking Passwords")                                      |  the name of the class (and optional configuration properties) used to decode masked passwords. Only valid when `mask-password` is `true`. Default=empty
[page-max-concurrent-io](paging.md "Paging Mode")                                               |  The max number of concurrent reads allowed on paging. Default=5
[paging-directory](paging.md "Configuration")                                                   |  the directory to store paged messages in. Default=data/paging
[persist-delivery-count-before-delivery](undelivered-messages.md "Delivery Count Persistence")  |  True means that the delivery count is persisted before delivery. False means that this only happens after a message has been cancelled. Default=false
[persistence-enabled](persistence.md "Configuring ActiveMQ Artemis for Zero Persistence")               |  true means that the server will use the file based journal for persistence. Default=true
[persist-id-cache](duplicate-detection.md "Configuring the Duplicate ID Cache")                 |  true means that ID's are persisted to the journal. Default=true
[queues](address-model.md "Predefined Queues")       |  [a list of queue to be created](#queue-type)
[remoting-incoming-interceptors](intercepting-operations.md "Intercepting Operations")                                                   |  A list of interceptor
[resolveProtocols]()  |  Use [ServiceLoader](https://docs.oracle.com/javase/tutorial/ext/basics/spi.html) to load protocol modules. Default=true
[scheduled-thread-pool-max-size](thread-pooling.md#server-scheduled-thread-pool "Server Scheduled Thread Pool")|  Maximum number of threads to use for the scheduled thread pool. Default=5
[security-enabled](security.md "Security")  |  true means that security is enabled. Default=true
[security-invalidation-interval](security.md "Security")                                   |  how long (in ms) to wait before invalidating the security cache. Default=10000
system-property-prefix | Prefix for replacing configuration settings using Bean Utils.
[populate-validated-user](security.md "Security")                                          |  whether or not to add the name of the validated user to the messages that user sends. Default=false
[security-settings](security.md "Role based security for addresses")                             |  [a list of security-setting](#security-setting-type)
[thread-pool-max-size](thread-pooling.md "Server Scheduled Thread Pool")                       |  Maximum number of threads to use for the thread pool. -1 means 'no limits'.. Default=30
[transaction-timeout](transaction-config.md "Resource Manager Configuration")              |  how long (in ms) before a transaction can be removed from the resource manager after create time. Default=300000
[transaction-timeout-scan-period](transaction-config.md "Resource Manager Configuration")  |  how often (in ms) to scan for timeout transactions. Default=1000
[wild-card-routing-enabled](wildcard-routing.md "Routing Messages With Wild Cards")        |  true means that the server supports wild card routing. Default=true
[network-check-NIC](network-isolation.md) | The NIC (Network Interface Controller) to be used on InetAddress.isReachable
[network-check-URL](network-isolation.md) | The list of http URIs to be used to validate the network
[network-check-list](network-isolation.md) | The list of pings to be used on ping or InetAddress.isReachable
[network-check-ping-command](network-isolation.md) | The command used to oping IPV4 addresses
[network-check-ping6-command](network-isolation.md) | The command used to oping IPV6 addresses
[critical-analyzer](critical-analysis.md) | Enable or disable the critical analysis (default true)
[critical-analyzer-timeout](critical-analysis.md) | Timeout used to do the critical analysis (default 120000 milliseconds)
[critical-analyzer-check-period](critical-analysis.md) | Time used to check the response times (default half of critical-analyzer-timeout)
[critical-analyzer-policy](critical-analysis.md) | Should the server log, be halted or shutdown upon failures (default `LOG`)


#address-setting type

Name | Description
:--- | :---
[match ](address-model.md "Configuring Queues Via Address Settings")         | The filter to apply to the setting
[dead-letter-address](undelivered-messages.md "Configuring Dead Letter Addresses")                |  dead letter address
[expiry-address](message-expiry.md "Configuring Expiry Addresses")                                  |  expired messages address
[expiry-delay](address-model.md "Configuring Queues Via Address Settings")                       |  expiration time override, -1 don't override with default=-1
[redelivery-delay](undelivered-messages.md "Configuring Delayed Redelivery")                      |  time to redeliver a message (in ms) with default=0
[redelivery-delay-multiplier](address-model.md "Configuring Queues Via Address Settings")        |  multiplier to apply to the "redelivery-delay"
[max-redelivery-delay](address-model.md "Configuring Queues Via Address Settings")               |  Max value for the redelivery-delay
[max-delivery-attempts](undelivered-messages.md "Configuring Dead Letter Addresses")              |  Number of retries before dead letter address, default=10
[max-size-bytes](paging.md "Paging")                                                          |  Limit before paging. -1 = infinite
[page-size-bytes](paging.md "Paging")                                                         |  Size of each file on page, default=10485760
[page-max-cache-size](paging.md "Paging")                                                     |  Maximum number of files cached from paging default=5
[address-full-policy](address-model.md "Configuring Queues Via Address Settings")                |  Model to chose after queue full
[message-counter-history-day-limit](address-model.md "Configuring Queues Via Address Settings")  |  Days to keep in history
[last-value-queue](last-value-queues.md "Last-Value Queues")                                  |  Queue is a last value queue, default=false
[redistribution-delay](clusters.md "Clusters")                                                |  Timeout before redistributing values after no consumers. default=-1
[send-to-dla-on-no-route](address-model.md "Configuring Queues Via Address Settings")            |  Forward messages to DLA when no queues subscribing. default=false


#bridge type

Name | Description
:--- | :---
[name ](core-bridges.md "Core Bridges")          |  unique name
[queue-name](core-bridges.md "Core Bridges")                         |  name of queue that this bridge consumes from
[forwarding-address](core-bridges.md "Core Bridges")                 |  address to forward to. If omitted original address is used
[ha](core-bridges.md "Core Bridges")                                 |  whether this bridge supports fail-over
[filter](core-bridges.md "Core Bridges")         |  optional core filter expression
[transformer-class-name](core-bridges.md "Core Bridges")             |  optional name of transformer class
[min-large-message-size](core-bridges.md "Core Bridges")             |  Limit before message is considered large. default 100KB
[check-period](connection-ttl.md "Detecting Dead Connections")       |  [TTL](https://en.wikipedia.org/wiki/Time_to_live "Time to Live") check period for the bridge. -1 means disabled. default 30000 (ms)
[connection-ttl](connection-ttl.md "Detecting Dead Connections")     |  [TTL](https://en.wikipedia.org/wiki/Time_to_live "Time to Live") for the Bridge. This should be greater than the ping period. default 60000 (ms)
[retry-interval](core-bridges.md "Core Bridges")                     |  period (in ms) between successive retries. default 2000
[retry-interval-multiplier](core-bridges.md "Core Bridges")          |  multiplier to apply to successive retry intervals. default 1
[max-retry-interval](core-bridges.md "Core Bridges")                 |  Limit to the retry-interval growth. default 2000
[reconnect-attempts](core-bridges.md "Core Bridges")                 |  maximum number of retry attempts, -1 means 'no limits'. default -1
[use-duplicate-detection](core-bridges.md "Core Bridges")            |  forward duplicate detection headers?. default true
[confirmation-window-size](core-bridges.md "Core Bridges")           |  number of bytes before confirmations are sent. default 1MB
[producer-window-size](core-bridges.md "Core Bridges")               |  Producer flow control size on the bridge. Default -1 (disabled)
[user](core-bridges.md "Core Bridges")                               |  Username for the bridge, the default is the cluster username
[password](core-bridges.md "Core Bridges")                           |  Password for the bridge, default is the cluster password
[reconnect-attempts-same-node](core-bridges.md "Core Bridges")       |  Number of retries before trying another node. default 10

# broadcast-group type

Name | Type
:--- | :---
[name ](clusters.md "Clusters")   | unique name
[local-bind-address](clusters.md "Clusters")          | local bind address that the datagram socket is bound to
[local-bind-port](clusters.md "Clusters")             | local port to which the datagram socket is bound to
[group-address](clusters.md "Clusters")               | multicast address to which the data will be broadcast
[group-port](clusters.md "Clusters")                  | UDP port number used for broadcasting
[broadcast-period](clusters.md "Clusters")            | period in milliseconds between consecutive broadcasts. default 2000
[jgroups-file](clusters.md)                                       | Name of JGroups configuration file
[jgroups-channel](clusters.md)                                    | Name of JGroups Channel
[connector-ref](clusters.md "Clusters")              |


#cluster-connection type

Name | Description
:--- | :---
[name](clusters.md "Clusters")                                              |   unique name
[address](clusters.md "Clusters")                                                                |   name of the address this cluster connection applies to
[connector-ref](clusters.md "Clusters")                                                          |   Name of the connector reference to use.
[check-period](connection-ttl.md "Detecting Dead Connections")                                   |   The period (in milliseconds) used to check if the cluster connection has failed to receive pings from another server with default = 30000
[connection-ttl](connection-ttl.md "Detecting Dead Connections")                                 |   Timeout for TTL. Default 60000
[min-large-message-size](large-messages.md "Large Messages")                                     |   Messages larger than this are considered large-messages, default=100KB
[call-timeout](clusters.md "Clusters")                                                           |   Time(ms) before giving up on blocked calls. Default=30000
[retry-interval](clusters.md "Clusters")                                                         |   period (in ms) between successive retries. Default=500
[retry-interval-multiplier](clusters.md "Clusters")                                              |   multiplier to apply to the retry-interval. Default=1
[max-retry-interval](clusters.md "Clusters")                                                     |   Maximum value for retry-interval. Default=2000
[reconnect-attempts](clusters.md "Clusters")                                                     |   How many attempts should be made to reconnect after failure. Default=-1
[use-duplicate-detection](clusters.md "Clusters")                                                |   should duplicate detection headers be inserted in forwarded messages?. Default=true
[message-load-balancing](clusters.md "Clusters")                                                 |   how should messages be load balanced? Default=OFF
[max-hops](clusters.md "Clusters")                                                               |   maximum number of hops cluster topology is propagated. Default=1
[confirmation-window-size](client-reconnection.md "Client Reconnection and Session Reattachment")|   The size (in bytes) of the window used for confirming data from the server connected to. Default 1048576
[producer-window-size](clusters.md "Clusters")                                                   |   Flow Control for the Cluster connection bridge. Default -1 (disabled)
[call-failover-timeout](clusters.md "Configuring Cluster Connections")                               |   How long to wait for a reply if in the middle of a fail-over. -1 means wait forever. Default -1
[notification-interval](clusters.md "Clusters")                                                  |   how often the cluster connection will notify the cluster of its existence right after joining the cluster. Default 1000
[notification-attempts](clusters.md "Clusters")                                                  |   how many times this cluster connection will notify the cluster of its existence right after joining the cluster Default 2


#discovery-group type

Name | Description
:--- | :---
[name](clusters.md "Clusters") |  unique name
[group-address](clusters.md "Clusters")                                                                 |  Multicast IP address of the group to listen on
[group-port](clusters.md "Clusters")                                                                    |  UDP port number of the multi cast group
[jgroups-file](clusters.md)                                                                                         |  Name of a JGroups configuration file. If specified, the server uses JGroups for discovery.
[jgroups-channel](clusters.md)                                                                                      |  Name of a JGroups Channel. If specified, the server uses the named channel for discovery.
[refresh-timeout]()                                                                                                 |    Period the discovery group waits after receiving the last broadcast from a particular server before removing that servers connector pair entry from its list. Default=10000
[local-bind-address](clusters.md "Clusters")                                                            |  local bind address that the datagram socket is bound to
[local-bind-port](clusters.md "Clusters")                                                               |  local port to which the datagram socket is bound to. Default=-1
[initial-wait-timeout]()                                                                                            |    time to wait for an initial broadcast to give us at least one node in the cluster. Default=10000

#divert type

Name | Description
:--- | :---
[name](diverts.md "Diverting and Splitting Message Flows")                                           |  unique name
[transformer-class-name](diverts.md "Diverting and Splitting Message Flows")                                               |  an optional class name of a transformer
[exclusive](diverts.md "Diverting and Splitting Message Flows")                                                            |  whether this is an exclusive divert. Default=false
[routing-name](diverts.md "Diverting and Splitting Message Flows")                                                         |  the routing name for the divert
[address](diverts.md "Diverting and Splitting Message Flows")                                                              |  the address this divert will divert from
[forwarding-address](diverts.md "Diverting and Splitting Message Flows")                                                   |  the forwarding address for the divert
[filter](diverts.md "Diverting and Splitting Message Flows")| optional core filter expression


#queue type

Name | Description
:--- | :---
[name ](address-model.md "Predefined Queues")                                                              |  unique name
[address](address-model.md "Predefined Queues")                                                                                |  address for the queue
[filter](address-model.md "Predefined Queues")                                                                                 | optional core filter expression
[durable](address-model.md "Predefined Queues")                                                                                |  whether the queue is durable (persistent). Default=true


#security-setting type

Name | Description
:--- | :---
[match ](security.md "Role based security for addresses")                               |  [address expression](wildcard-syntax.md)
[permission](security.md "Role based security for addresses")                           |
[permission.type ](security.md "Role based security for addresses")                     |  the type of permission
[permission.roles ](security.md "Role based security for addresses")                    |  a comma-separated list of roles to apply the permission to