activemq broker

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[Activemq tuning] Vertical Scaling

Abstract: activemq optimization and Vertical Scaling Address: http://fusesource.com/docs/broker/5.4/tuning/PersTuning-Vertical.html Definition: Vertical Scaling means that a broker can support more consumer and producer connections. Tricks to optimize Vertical Scaling: You can use the following techniques to adjust the Vertical Horizontal of the

SQL Server Service Broker Distributed System (Chao Songtao) 2005 database programming

1. Create a test databaseCreate DATABASE ServerbrokertestOn Primary (Name=serverbrokertest_data,Filename= ' C:\Program Files\Microsoft SQL Server\mssql11. Sqlexpress\mssql\data\serverbrokertest_data.mdf ',Size=5,Maxsize=unlimited,Filegrowth=1)Log on(Name=student_log,Filename= ' C:\Program Files\Microsoft SQL Server\mssql11. Sqlexpress\mssql\data\serverbrokertest_log.ldf ',Size=1,Maxsize=20,Filegrowth=3)2. Activate the broker feature of the databaseSEL

JavaScript event Broker to reduce overhead and increase efficiency

The JavaScript event proxy (event delegate), which is to delegate events that would otherwise be bound to the parent element, so that the parent element acts as an event listener.As we all know, DOM operations are very performance-intensive. So duplicate event bindings are simply performance killers. And the core idea of the event agent is that by tying as little as possibleTo monitor as many events as possible.The core idea of event broker: Event bub

Error: ORA-16501: the Data Guard broker operation failed ORA

Error: ORA-16501: the Data Guard broker operation failed ORA-16625: cannot reach database solution Create configuration file DGMGRL> create configuration 'sharkdbbork' as primary database is 'sharkdb' connect identifier is sharkdb; Error: ORA-16501: the Data Guard broker operation failedError: ORA-16625: cannot reach database "sharkdb" view log oracle @ dg: [/u01/app/database/diag/rdbms/posdg/sharkdb/trace]

Design mode--(14) Broker mode

Broker modeEncapsulates a series of object interactions with a mediation object. The mediator makes the objects not need to explicitly reference each other, so that they are loosely coupled, and can independently change the interaction between them. There are many examples of intermediaries, from the United Nations Security Council to housing intermediaries, who have played a central role in coordinating the interests of all parties.ExampleThis articl

Broker Mode and PHP implementation

Broker Mode:The Mediator pattern (mediator pattern) Definition: A Mediation object encapsulates a series of object interactions so that the intermediaries do not need to explicitly reference each other, so that they are loosely coupled and can independently change the interaction between them. The mediator pattern, also known as the mediator pattern, is an object-behavioral pattern.Mode motive:1. In the design of direct chat between user and user, the

Design pattern C + + implementation 21: Broker mode

Mediator Mode (mediator): Uses a Mediation object to encapsulate a series of object interactions. Intermediaries are objects that do not need to explicitly reference each other, so that they are loosely coupled and can independently change their interactions.The broker pattern is easy to apply in the system and is easily misused in the system. When the system appears many-to-many interaction complex object group is, do not rush to use the intermediary

JS design mode (11) Broker mode

What is the broker mode?Mediator mode: A third-party mediator communicates between objects and objects.definition: Using a Mediation object to encapsulate a series of object interactions, the mediator makes the objects do not need to explicitly reference each other, so that they are loosely coupled, and can independently change the interaction between them.The main solution: There is a large number of relations between objects and objects, which will

Oracle 11g Dataguard Physical standby configuration (iii) Dataguard broker configuration

1. Main Library Broker Configuration 1) Query Switchover status Sql> select Database_role,switchover_status from V$database; Database_role Switchover_status ---------------- -------------------- PRIMARY to STANDBY 2) Query Dg_broker_start parameters Sql> Show parameter Dg_broker_start; NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ Dg_broker_start Boolean FALSE Sql> alter system set Dg_broker

Service Broker FAQ

Question 1: Service Broker FAQ The activated procedure [dbo] that is running in the queue test.dbo.IncomingQueue. [Readincomingmessageproc]The following information is output: ' Access to the ' remote server is denied because the ' current security context is not trusted. 'The request to access the remote server was denied because the current security context is not trusted. Solve:Modify the trust status of the running Service

CORBA (Common Object Request Broker architecture)

CORBA (Common Object Request Broker architecture) is a new technology developed with the rapid development of software and hardware resources today. It allows distributed applications to complete communication, regardless of the manufacturer of the application, and can communicate with each other as long as the CORBA standard is met. CORBA 1.1, presented by the OMG in 1991, also presents interface definition Language interface definition Language,idl

Oracle 11g Data Guard Broker Action Note

Reprint Please specify source: http://blog.csdn.net/guoyjoe/article/details/41548669First, set1. Set BrokerSet each to true on the master repositorySql> alter system set dg_broker_start=true;2. Operate on the main library[Email protected] admin]$ DGMGRL sys/[email protected]Dgmgrl> HelpDgmgrl> help CreateDgmgrl> CREATE CONFIGURATION C1 as PRIMARY DATABASE is PROD1 CONNECT IDENTIFIER is PROD1;Dgmgrl> Help AddDgmgrl> ADD DATABASE DG as CONNECT IDENTIFIER is DG;Dgmgrl> help EnableDgmgrl> ENABLE CON

WebSphere Message Broker Configures ODBC connection (Oracle)

command window to test whether the environment variable is configured correctly. Navigate to /var/mqsi/common/profiles. Use ./opt/ibm/mqsi/9.0/bin/mqsiprofile detection. (Note: Each command window can be detected only once.) )。 7. After successful detection, switch to ESB user execution command:mqsisetdbparms blesb2-n myoracledb-u Blgroup_osp-p Blgroup_osp. where BLESB2 refers to the borker name,-nmyoracledb refers to the data source name, -ublgroup_osp refers to the Oracle user name. - P blgr

JMX activemq (1)

We know that the management interface of activemq broker is provided through JMX. A simple access method is to enter service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi Note that: 1. The default JMX function is not enabled. You need to add usejmx = "true" to the broker configuration of activemq. xml" 2. In managementc

Activemq using SSL

ACTIVEQM Use SSL In addition to configuring the service side of the client connection is also required to use SSL, the online and official information is scattered, so collect together to write examples, a total of two parts. The first part is the configuration service side, the second part is the client test connection. Http://activemq.apache.org/download.html First to official download ACTIVEMQ The current version is 5.2.0, The first section config

ACTIVEMQ Message Queuing-single node test (point-to-point mode)

ACTIVEMQ the process of sending and receiving messages is similar to the JDBC Operations database: First create the Connection connection object, then the session object, and then create producer, Consumer, Objects such as message, except that ACTIVEMQ connection objects are generated through the Activemqconnectionfactory factory. Here are the test code for some scenarios. Define some constant data, which i

Services broker common views and scripts

Services broker common views and scripts -View messages in transmission queues-if you try to remove from the queue, the column will indicate where the problem is. SELECT * FROM Sys.transmission_queue --View Service Broker activated stored procedure s Elect * from Sys.dm_broker_activated_tasks -View each session endpoint in the database. The session endpoint represents each end of the Service

[Activemq tuning] System Environment

Http://fusesource.com/docs/broker/5.4/tuning/GenTuning-SysEnv.html Overview: before studying activemq broker optimization, focus on the impact of the system environment on performance. Disk speed (disk speed): a persistent broker. disk speed is a major factor. For example, the track time of a typical deskto

ActiveMQ Pits Kee

datadirectory consistency of configuration and broker DataSource The selection of the data source, the specific configuration of the associated database, the following will specify Usedatabaselock Whether to use database locks, mainly when the program starts to synchronize query data, resulting in a database lock Also need to configure the database connection, account number, password, etc.: Where the ID nam

Activemq-webconsole repair enhanced Edition

Activemq-webconsole repair enhanced Edition Project address: https://github.com/hengyunabc/activemq-webconsole-enhanced This fix enhanced version is based on activemq5.8.0: http://activemq.apache.org/activemq-580-release.html. Fixed some display bugs and enhanced the Web Console functionality. Fixed a problem where connection information could not be

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