Chat now with support
Chat with Support

Foglight for Virtualization Enterprise Edition 8.6 - Performance Tuning Field Guide

Overview Hardware and Operating System Tuning Management Server Tuning Java Virtual Machine Tuning Backend Database Tuning High Availability (HA) Tuning Agent Tuning Appendix: Performance Health Check Appendix: Analyzing a Support Bundle

Custom Tablespaces

You can create custom tablespaces by modifying the storage-config.xml file, that is located in the config directory of the Management Server installation.

Group A (configuration) tables can only be created using the SQL scripts available in the <foglight_home>/scripts/sql directory. This can be done using the database tool, foglight-database-tool.jar. For complete information, about this tool, see the Foglight Installation and Setup Guide set.

Group B (observation) tables can also be added. Adding them before the server starts for the first time causes them to be created in the custom tablespace. If the default tablespace already contains group B tables at the time storage-config.xml is updated, they remain in that tablespace until the server rolls up or purges the data in those tables.

Adding group B tables after the Management Server starts causes the server to move them over to the new tablespace as it rolls up long-term data. This means that for some tables, for example, it can take as long as three months before they are created in the database. The actual period of time depends on the configured retention policies. Some tables can remain the default tablespace indefinitely. For complete information about retention policies, see the Administration and Configuration Help.

1
Open the storage-config.xml file for editing.
In the storage-config.xml file, locate the <configuration-destination> element and replace its <default> element with a <tablespace> element using the following syntax:
Where CUSTDATA, CUSTINDEX, and CUSTLOB are the names of your custom tablespaces.
In the storage-config.xml file, locate the <destination> element and replace its <default> element with using the following syntax:
Where SAMPLEDATA, SAMPLEINDEX, and SAMPLETLOB are the names of your custom tablespaces.
4
If the database user has not been granted a quota on the newly created tablespaces, after creating tablespaces in the storage-config.xml file, the database administrator must edit the scripts/sql/oracle_create_db.sql script and add grants for the custom tablespaces, like the one that grants a quota on the USERS tablespace.
a
Run the database tool, foglight-database-tool.jar, to create the group A tables in the specified tablespaces.
b
Instruct the server to update the configuration and create the group B tables using the JMX console. In the JMX console, invoke the mergeConfiguration() method on the Storage Manager Service MBean in the JMX console. This only affects the Group B tables that the server creates from that time on.

Microsoft SQL Server Tuning

Foglight™ Management Server accepts the instance-level default for database recovery (regardless of the recovery model of the model database, which is purely a template used to create new databases). There is no harm in changing the recovery model from full to simple, other than point-in-time recoverability is lost. If you require the ability to perform disaster recovery on your Foglight database, you should use the full recovery model and you should make frequent transaction log backups to ensure that it does not grow beyond an undesirable threshold. If you do not require point-in-time recoverability, you can use the simple recovery model, and there will be no additional ramifications.

Troubleshooting

High Foglight™ Management Server load may consuming all connections to backend database. This results in any of the following problems:

1
Windows®: Log in as an Administrator.
UNIX®/Linux®: Use the Foglight user service account.
Microsoft® SQL Server®: sqlsvr-ds.xml
Oracle®: oracle-ds.xml
MySQLTM: mysql-ds.xml
b
Change the value of 20 to 50 or higher.
a
Add min-pool-size and max-pool-size elements between password and before prepared-statement-cache-size, as follows:
<min-pool-size>20</min-pool-size>
<max-pool-size>50</max-pool-size>

The described configuration changes increase the load on the Foglight database server. You must make sure that you have adequate resources for both the Foglight Management server and the database server hosting the Foglight repository.

 

Management Server Load Preventing Database Connections

High Foglight™ Management Server load may consuming all connections to backend database. This results in any of the following problems:

1
Windows®: Log in as an Administrator.
UNIX®/Linux®: Use the Foglight user service account.
Microsoft® SQL Server®: sqlsvr-ds.xml
Oracle®: oracle-ds.xml
MySQLTM: mysql-ds.xml
b
Change the value of 20 to 50 or higher.
a
Add min-pool-size and max-pool-size elements between password and before prepared-statement-cache-size, as follows:
<min-pool-size>20</min-pool-size>
<max-pool-size>50</max-pool-size>

The described configuration changes increase the load on the Foglight database server. You must make sure that you have adequate resources for both the Foglight Management server and the database server hosting the Foglight repository.

 

Related Documents

The document was helpful.

Select Rating

I easily found the information I needed.

Select Rating