Recommended AR System Mid Tier configuration settings

Definition change check interval

Value: 86400 sec
Location: <mid-tier_install_dir>/WEB-INF/classes/config.properties
Parameter: arsystem.cache_update_interval=86400
Limitation: Generic
Manual Steps:

1. Log in to http:///arsys/shared/config/config.jsp with the default password, arsystem.
2. Click the Cache Settings link.
3. In the Definition Change Check Interval field, enter 86400.
4. Click Save Changes.

Pooling max total connections

Value: 80 (default)
Location: <mid-tier_install_dir>/WEB-INF/classes/config.properties
Parameter: arsystem.pooling_max_connections_per_server=80
Limitation: Generic
Manual Steps:

1. Log in to http:///arsys/shared/config/config.jsp with the default password, arsystem.
2. Click the General Settings link.
3. In the Maximum connections per server field, enter 80.
4. Click Save Changes.
5. Restart Mid tier for this change to take effect.

Resource check interval

Value: 86400 sec
Location: <mid-tier_install_dir>/WEB-INF/classes/config.properties
Parameter: arsystem.resource_expiry_interval=86400
Limitation: Generic / company policy determined
Manual Steps:

1. Log in to http:///arsys/shared/config/config.jsp with the default password, arsystem.
2. Click the Cache Settings link.
3. In the Resource Check Interval field, enter 86400.
4. Click Save Changes.

Cache persistence

Value: Enable
Location: <mid-tier_install_dir>/WEB-INF/classes/config.properties
Parameters: arsystem.ehcache.diskPersistent=true, arsystem.ehcache.overflowToDiskTemp=false
Limitation: Generic
Manual Steps:

1. Log in to http:///arsys/shared/config/config.jsp with the default password arsystem.
2. Click the Cache Settings link.
3. Check Enable Cache Persistence.
4. Click Save Changes.

Prefetch Forms

Value: Enable
Location: <mid-tier_install_dir>/WEB-INF/classes/prefetchConfig.xml
Parameters: Change the contents of the XML. See the BMC Remedy Mid-Tier documentation for detailed steps about what to change.
Limitation: Company policy determined
Manual Steps:

1. Login to http:///arsys/shared/config/config.jsp with default password arsystem
2. Click the Cache Settings link.
3. See the BMC Remedy Mid Tier documentation on the BMC Customer Support site for detailed steps about what to change.
4. Click Save Changes.

Log setting > log level

Value: Server
Location: <mid-tier_install_dir>/WEB-INF/classes/config.properties
Parameters: arsystem.log_level=Severe
Limitation: Generic / production only
Manual Steps:

1. Log in to http:///arsys/shared/config/config.jsp with the default password, arsystem
2. Click the Log Settings link.
3. In the Log Level menu, select Severe.
4. Click Save Changes.

Form expiration

Value: 3600 sec
Location: <mid-tier_install_dir>/WEB-INF/classes/config.properties
Parameters: arsystem.formhtmljs_expiry_interval=3600
Limitation: Generic
Manual Steps: None

JVM heap min and max heap size

Value: 1 GB
Location:

• Windows: located in the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Apache Software Foundation\Procrun 2.0\Tomcat5\Parameters\Java
• Unix: located in tomcat_install_dir/bin/catalina.sh

Parameters:

• In Windows
  Name: JvmMs
  Type: REG_DWORD
  Data: (decimal) 1024
  Name: JvmMx
  Type: REG_DWORD
  Data: (decimal) 1024
• In UNIX
  JAVA_OPTS=-Xms1024m --Xmx1024m

Limitation: Hardware configuration based

Manual Steps:

• In Windows:
  1. Start > BMC Software > AR System > BMC Remedy Mid Tier > Configure Tomcat
  2. In the Tomcat Properties dialog box, select the Java tab.
  3. In the Initial memory pool field, enter 1024. In the Maximum memory pool field, enter 1024.
  4. Click OK.
  5. Restart the BMC Remedy Mid Tier.
• In UNIX:
  None

Tomcat max threads

Value: 500
Location: <tomcat_install_dir>/conf/server.xml
Parameters: Look for your web server's connector port number. The default is 8080. Each connector has the maxThreads parameter.
Connector URIEncoding="UTF-8" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" enableLookups="false" maxHttpHeaderSize="8192" maxSpareThreads="75" maxThreads="500" minSpareThreads="25" port="8080" redirectPort="8443"/
Limitation: Hardware configuration based
Manual Steps: None

Tomcat accept count

Value: 100
Location: <tomcat_install_dir>/conf/server.xml
Parameters: Look for your web server's connector port number. The default is 8080. Each connector has the acceptCount parameter.
Connector URIEncoding="UTF-8" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" enableLookups="false" maxHttpHeaderSize="8192" maxSpareThreads="75" maxThreads="500" minSpareThreads="25" port="8080" redirectPort="8443"/
Limitation: Hardware configuration based
Manual Steps: None