Horizontal scaling recommendations

This topic outlines the hardware capacity recommendations for horizontally scaling the TrueSight IT Data Analytics product in your environment. For recommendations on tuning the individual components, see Component configuration recommendations for horizontal scaling.

Standard sizing guidelines

The hardware sizing guidelines are divided into four parts: test setups, small setups, medium setups, and large setups.ee

The test and small setup scenarios are recommended for a single-server deployment, while medium and large setup scenarios are recommended for a multiple-server deployment. You can also deploy the product in a single-server deployment and later vertically scale the product.

The following table lists the definitions of a medium and large setup:

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Small setup

Scaling your deployment is recommended only for medium and large setups while implementing a multiple-server deployment.

If you are operating in a small setup, you can deploy the product in a single-server environment. To understand the hardware recommendations for a single-server deployment (without scaling), see Single-server sizing recommendations.

Medium setup, scenario 1

For a medium setup, a configuration of five servers is recommended for indexing 400 GB data per day, with a 14-day retention period, and with 8 concurrent users accessing the data.

Use the following guidelines for implementing a medium size deployment.

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Medium setup, scenario 2

For a medium setup with a relatively smaller storage and more number of concurrent users, a configuration of three servers is recommended. This setup aims for indexing 200 GB data per day, with a 14-day retention period, and with 16 concurrent users accessing the data.

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Large setup, scenario 1

For a large setup, a configuration of eleven servers is recommended for indexing 1 TB data per day, with a 14-day retention period, and with 8 concurrent users accessing the data.

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Large setup, scenario 2

For a large setup, a configuration of seven servers is recommended for indexing 500 GB data per day, with a 14-day retention period, and with 16 concurrent users accessing the data.

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Notes to keep in mind

• Ensure that you use the same configurations to deploy components of the same type (for example, all Indexers, or all Collection Stations).
• If you want to perform a multiple-server deployment, by starting with a typical installation of all the product components on a primary computer, then it is recommended that you instead perform a custom installation with all the components selected. Doing this is important to avoid performing manual configuration changes later.

• This note is applicable only if you have configured Collection Agents by using the TrueSight console or the PATROL infrastructure. For optimum performance of such Collection Agents, you need to change certain properties based on the number of Collection Agents set up in your environment.

  The following properties need to be modified:

  • http.server.workers.thread.pool.size: Determines the maximum number of concurrent HTTP requests that can be handled by the Collection Station.
    This property needs to be added with the new values at %BMC_ITDA_HOME%\station\collection\custom\conf\agent.properties.

  • http.response.timeout.millis: Determines the period after which the Configuration Channel request must timeout.
    This property needs to be added with the new values at %BMC_ITDA_HOME%\agent\collection\custom\conf\agent.properties.

  • agent.request.poll.heartbeat.per.node.retry: Determines the number of failed HTTP requests before accepting that the Collection Station is not reachable.
    This property needs to be added with the new values at %BMC_ITDA_HOME%\agent\collection\custom\conf\agent.properties.

  Use the following table as a guideline to determine the preceding property values. These values are based on internal performance tests.

  Number of Collection Agents	http.server.workers. thread.pool.size	http.response. timeout.millis	agent.request.poll. heartbeat.per.node.retry
  Upto 450	(Default) 15	(Default) 30,000	(Default) 10
  More than 450 and upto 950	60	60,000	30
  More than 950 and upto 1750 Read more	60	60,000	30

  Note

  If you are operating in an environment with 950-1750 Collection Agents, then at a minimum you need two Collection Stations setup on different servers to receive data from those Collection Agents.

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Where to go from here

To ensure optimal use of resources, you need to tune some of the configuration settings (such as the initial memory and maximum memory required) for each of the product components. For more information, see Component configuration recommendations for horizontal scaling.