gwlmagent.properties on Windows. (The given Windows path is the default; however, a different path might have been selected at installation.)

NOTE: You must restart the gwlmagent daemon on each managed node where you have modified the properties file for the changes to the file to take effect.

The gwlmagent.properties file is shown below.

#

#(C) Copyright 2004-2007 Hewlett-Packard Development Company, L.P.

#$Date: 2008/12/02 20:17:18 $

#$Revision: 1.1 $

#

#Contents:

#This file contains the default configuration values for the

#Global Workload Manager Agent on a given managed node. The

#agent on each managed node uses the default values unless you

#edit that node's gwlmagent.properties file.

#

#You must restart gwlmagent for changes made to this file to

#take effect.

#

#

#Set FileHandler /var/opt/gwlm/gwlmagent.log.0 log level.

#Valid levels, from most severe to least, are:

#SEVERE

#WARNING

#INFO

#CONFIG

#FINE

#FINER

#FINEST

#When you set the level, you will see messages only from that level and

#the levels that are more severe. So, the SEVERE level produces the fewest

#messages, while the FINEST level includes messages from all seven levels.

com.hp.gwlm.util.Log.logLevel = INFO

#

#Specify the size (in MB) and number of files to use

#for logging. For a single file of unlimited size, set

#logFileSize to negative one (logFileSize=-1).

#Otherwise, total log file size is

#logFileSize * logNFiles

#

com.hp.gwlm.util.Log.logFileSize = 20 com.hp.gwlm.util.Log.logNFiles = 3

#

#Set the number of seconds for the high availability (HA) minimum

#timeout. Communication is considered lost on a managed node

#once the timeout period has elapsed.

#

#By default, communication is not considered lost until 10 allocation

#intervals have elapsed without communication. The default value of the

#property (60) is used only when the allocation interval is less than 6

#seconds.

#

com.hp.gwlm.node.HA.minimumTimeout = 60

#

#Enable/disable use of Instant Capacity (iCAP) to simulate movement of

#cores across nPartitions. To use iCAP, you must enable this property on

Setting gWLM properties 39

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HP UX 11i Workload Management (gWLM/WLM) Software manual # Severe # Warning # Info # Config # Fine # Finer # Finest

UX 11i Workload Management (gWLM/WLM) Software specifications

HP-UX 11i Workload Management (gWLM/WLM) software is an integral component of HP's premier UNIX operating system, designed to enhance system performance and resource management across diverse workloads. This advanced tool allows system administrators to monitor, control, and allocate resources effectively to achieve optimal performance, reliability, and service levels in enterprise environments.

One of the main features of gWLM/WLM is its ability to classify workloads and manage them according to specific policies set by the administrator. By using service level objectives (SLOs), administrators can define the performance criteria for various applications and workloads. gWLM continuously tracks these workloads, ensuring that they adhere to the defined SLOs, thus maintaining a high level of application performance.

The software employs resource pools, which segment resources such as CPU, memory, and I/O bandwidth among different workloads based on predefined priorities. This capability ensures that critical applications receive the resources they require, even during peak usage periods, thereby preventing resource starvation that could lead to system slowdowns or crashes.

Another significant characteristic of gWLM/WLM is its real-time monitoring and reporting capabilities. The software provides detailed insights into resource utilization, workload performance, and system health. Administrators can access this information through a user-friendly interface, allowing for informed decision-making and proactive management.

Integration with HP Serviceguard adds another layer of functionality, enabling high availability for critical applications. gWLM can orchestrate workload migration to ensure that service levels are maintained, even in the event of hardware failures or resource contention.

The technology behind gWLM/WLM is built on advanced algorithms that leverage historical data and predictive modeling to optimize resource allocation dynamically. This means that as workloads change, the system can automatically adjust resource distribution to meet performance targets without the need for constant manual intervention.

gWLM also supports integration with various enterprise management tools, enabling administrators to implement comprehensive monitoring and management strategies across the IT infrastructure. The scalability of gWLM allows organizations of all sizes to benefit from its robust workload management features, ensuring that they can adapt to changing demands in their operational environments.

In summary, HP-UX 11i Workload Management software offers a sophisticated solution for optimizing resource utilization, managing workloads effectively, and maintaining high performance in complex enterprise environments. Its comprehensive features and technologies make it an essential tool for any organization seeking to enhance their IT operations.