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Uninstalling nsmq – HP Integrity NonStop H-Series User Manual

Page 27

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ALTER SERVER BRK1-M, PROGRAM

<NSJ7_installation>/nssjava/jdk170_h70/bin/oss64/java

ALTER SERVER BRK1-S, PROGRAM

<NSJ7_installation>/nssjava/jdk170_h70/bin/oss64/java

The above lines sets the JAVA program of the broker BRK1. Similarly, for changing the
JAVA program for BRK2, enter the following commands:

ALTER SERVER BRK2-M, PROGRAM

<NSJ7_installation>/nssjava/jdk170_h70/bin/oss64/java

ALTER SERVER BRK2-S, PROGRAM

<NSJ7_installation>/nssjava/jdk170_h70/bin/oss64/java

Alternatively, after creating the cluster and before adding brokers to the cluster, you can change
the JAVACMD parameter in the <NSMQ-Installation-folder>/bin/global.rsp file to
point to 64–bit Java.

Configuring the JDBC connection pool-size

In the activemqPersistent.template file, increase the maxPoolSize and minPoolSize
of the "sqlmx-ds" bean definition as required. For optimal performance, ensure the maxpoolsize
value is same as the minpoolsize value.

For example, you can set the values as shown:




...

NOTE:

The values cannot be changed dynamically. For changes to take effect, stop all the brokers

and modify their <NSMQ-Installation-folder>/<broker_name>/conf/activemq.xml
files, and then restart the brokers. HP recommends setting the same configuration for all the brokers.

Configuring the JRE heap values

The -Xms and -Xmx values are present in the
/nsmq/T0975H01/bin/nsmq.properties
file. By default, the values are set to 256M and 512M respectively. If you are changing these
values, you must do it before installing NSMQ.

To change the -Xms and -Xmx values, edit the nsmq.properties file by changing the
NSMQ_OPTS values to the required values.

For more information about these values, see the NonStop Server for Java 6.0 Programmer's
Reference
and the NonStop Server for Java 7.0 Programmer's Reference manuals.

NOTE:

HP recommends that you increase the limit in the

element in the activemqNonPersistent.template and activemqPersistent.template
files. However, you can change the even after creating the brokers in the cluster.

If it is changed after installation, the activemq.xml file present in the
<NSMQ-Installation-folder>/<broker_name>/conf/

folder must be changed to tune

the settings. It is mandatory to restart the broker if any changes are made to the activemq.xml
file, else the changes are not reflected.

Uninstalling NSMQ

1.

Go to the location where the pax file is extracted.

Installing NSMQ from the CD

27

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