Component configuration recommendations for horizontal scaling

Based on the recommended hardware sizes, you might need to change the configurations of various product components to make optimum use of available resources.

The following table provides a list of the configuration properties, their locations, and the recommended values for the properties for each setup.

Use the following table in conjunction with the recommendations provided in the horizontal sizing recommendations. For example, if you are using a small setup with 16 GB of RAM and eight CPUs, you should change the value of the Indexer's wrapper.java.initmemory property to 12288 .

In the table, the configuration location paths must be preceded by one of the following environment variables:

Windows: %BMC_ITDA_HOME%
Linux: $BMC_ITDA_HOME

Related topics

Where to find more information

Variables that affect sizing and scalability

Sizing and scalability considerations

Sizing drivers and their impact

FAQs about performance and scalability

Note

When you change any of the following properties, ensure that you re-start the corresponding service for the particular component and any dependent services. For example, the wrapper.java.initmemory property defines the initial memory required for the Indexer, so when you change this property value, ensure that you re-start the Indexer.

For more information about starting or stopping services and service dependencies, see Starting or stopping product services.

Ensure that you make the same configuration changes for components of the same type. For example, if you change certain configurations for the Indexer, and you have multiple instances of Indexers deployed, ensure that you make the change for all Indexers in your environment.

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Product Component	Configuration property and location	Medium setup	Large setup
Indexer	Initial memory required for the Indexer
Indexer	`wrapper.java.initmemory`	12288 MB	12288 MB
Indexer	\conf\services\indexer.conf	12288 MB	12288 MB
Indexer	Maximum memory required for the Indexer
Indexer	`wrapper.java.maxmemory`	12288 MB	12288 MB
Indexer	\conf\services\indexer.conf	12288 MB	12288 MB
Configuration Database	Initial memory required for the Configuration Database
Configuration Database	`wrapper.java.initmemory`	256 MB	256 MB
Configuration Database	\conf\services\configdb.conf	256 MB	256 MB
Configuration Database	Maximum memory required for the Configuration Database
Configuration Database	`wrapper.java.maxmemory`	512 MB	512 MB
Configuration Database	\conf\services\configdb.conf	512 MB	512 MB
Console Server + Search	Initial memory required for the Console Server + Search
Console Server + Search	`wrapper.java.initmemory`	2048 MB	2048 MB
Console Server + Search	\conf\services\server.conf	2048 MB	2048 MB
Console Server + Search	Maximum memory required for the Console Server + Search
Console Server + Search	`wrapper.java.maxmemory`	3072 MB	3072 MB
Console Server + Search	\conf\services\server.conf	3072 MB	3072 MB
Collection Station	Initial memory required for the Collection Station
Collection Station	`wrapper.java.initmemory`	2048 MB	2048 MB
Collection Station	\conf\services\collectionstation.conf	2048 MB	2048 MB
Collection Station	Maximum memory required for the Collection Station
Collection Station	`wrapper.java.maxmemory`	4096 MB	4096 MB
Collection Station	\conf\services\collectionstation.conf	4096 MB	4096 MB
Collection Agent	Maximum number of concurrent collector threads
Collection Agent	`collection.thread.pool.size`	160	160
Collection Agent	\station\collection\custom\conf\agent.properties	160	160
Collection Station	Number of hours of data per index for the Collection Station
Collection Station	`intervalInHrs` (in the name: "data" section only) Read more... The value of this property must be a factor of 24, which means it can be one of the following values: 1, 2, 3, 4, 6, 8, 12, 24 This value and the value of the same property for Console Server + Search must match.	1	1
Collection Station	\station\collection\custom\conf\indexstrategies.yml	1	1
Console Server + Search	Number of hours of data per index for the Console Server + Search
Console Server + Search	`intervalInHrs` (in the name: "data" section only) Read more... The value of this property must be a factor of 24, which means it can be one of the following values: 1, 2, 3, 4, 6, 8, 12, 24 This value and the value of the same property for the Collection Station must match.	1	1
Console Server + Search	\custom\conf\server\customIndexstrategies.yml	1	1
Console Server + Search	Maximum number of events to fetch in a single search query
Console Server + Search	`search.events.fetch.query.limit`	4000	2000
Console Server + Search	\custom\conf\server\searchserviceCustomConfig.properties	4000	2000
Console Server + Search	Upper cap on the number of search buckets that can be created when events are greater than the `search.events.fetch.query.limit` value
Console Server + Search	`search.events.bucket.max.limit`	150	100
Console Server + Search	\custom\conf\server\searchserviceCustomConfig.properties	150	100
Indexer	Number of shards per index
Indexer	index.number_of_shards Read more... These changes are required only for the master Indexer installed on the primary node. Tip: A shard is a way of splitting a large amount of data into multiple portions, where each portion is called a shard. Shards also provide a way of evenly balancing data indexed across multiple Indexer instances. Note: Any changes regarding the number of shards are applied only to the newly created indices.	With one Indexer instance: 4 With two Indexer instances: 8 With three Indexer instances: 12	With one Indexer instance: 4 With two Indexer instances: 8 With three Indexer instances: 12 With four Indexer instances: 16 With five Indexer instances: 20 With six Indexer instances: 24 With seven Indexer instances: 28
Indexer	\conf\indexer\dynamic_template_1.json
Indexer	Indexing request timeout (in milliseconds)
Indexer	indexing.request.timeoutmillis Read more... At the time of adding multiple Indexers in your environment, this property must be adjusted to a lower value. Doing this can enable quicker recovery if any of the Indexer nodes go down.	30000	5000
Indexer	\station\collection\custom\conf\agent.properties	30000	5000

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