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Cluster Load Manager 101

Cluster Load Manager 101. Douglas Potter IBI Minneapolis User Group November 2008. What is Cluster Load Manager?. CLM is an intelligent, autonomic server that provides automatic monitoring, management, and load distribution across a group or cluster of Reporting Servers. CLM is

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Cluster Load Manager 101

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  1. Cluster Load Manager 101 Douglas Potter IBI Minneapolis User Group November 2008

  2. What is Cluster Load Manager? • CLM is an intelligent, autonomic server that provides automatic monitoring, management, and load distribution across a group or cluster of Reporting Servers. • CLM is • Self-Aware– It knows what resources it has available, and how these resources are functioning • Self-Healing– It utilizes its awareness to correct problems in the delivery of service • Self-Optimizing– It is continuously adjusting its resources to keep within the limits of performance needed • Highly Available – It is, itself, a distributed, redundant service.

  3. That sounds cool, but… • What does that really mean? • CLM provides a Reporting Server environment that is • Highly Available • Multiple Reporting Servers avoid single point of failure due to server resource limits, hardware failure, etc. • Highly Scalable • Can add servers as needed (within license limits) to meet demand • Easily Managed • Single screen shows the status of all servers in the cluster .

  4. How is CLM different from other options ? • WebFOCUS Alternate Servers • Older, simpler cluster mechanism • No proactive monitoring of Reporting Servers • Non-intelligent distribution of requests • Other 3rd party workload distributers (F5, Cisco, etc.) • Can monitor for system failure • Don’t monitor Reporting Server statistics • Limited intelligence in the distribution of requests • OS level clustering • Can protect against system failure • Does not monitor Reporting Server statistics • Limited intelligence in the distribution of requests • None of these adjust the Reporting Server environment to meet SLAs

  5. Request processing

  6. Where do I configure that in the Client? • As of 7.6.7, you can configure the CLM nodes in the GUI

  7. Do I have CLM? Where is it installed in my environment? • It is a licensed component that can be installed independent of any other WebFOCUS software. • Recommended to (ideally) be installed on its own machine, or with the WebFOCUS Client, but not on the Reporting Server machines. • For business critical systems, implement CLM Failover.

  8. What does this get me? ■ Lower total cost of ownership ■ Higher system up-time ■ Less human expertise needed ■ More uniform response time ■ More insight into system operations

  9. Any Questions?

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