Increasing the number of Stellent processes in IBM Content Analytics with Enterprise Search

Technote (FAQ)


Question

How do I increase the number of Stellent processes for a collection in IBM Content Analytics with Enterprise Search?

Answer

Configuring the number of Stellent processes for a collection -

1. Open the file ES_NODE_ROOT/master_config/<cid>.indexservice/collection.properties
2. Set the property NumberOfStellentParsers to the number of Stellent processes you would like.

Eg:
  NumberOfStellentParsers=3

3. If you have set the NumberOfStellentParsers to more than 4, make the following changes -

  • Add the property MaximumNumberOfStellentParsers and set it to a number equal to or greater that the NumberOfStellentParsers.
  • Set the property NumberOfDocumentProcessors to a number equal to or greater that the NumberOfStellentParsers.
Eg:
  MaximumNumberOfStellentParsers=8
  NumberOfDocumentProcessors=8
  NumberOfStellentParsers=6
  • Open the file ES_NODE_ROOT/master_config/<cid>.indexservice/collection.xml
  • Find the <tokenizer> element under the <config> and <collection> elements.
  • Add the <numberOfTokenizers> element in the <tokenizer> element with a value equal to the value of NumberOfDocumentProcessors

Eg:
<tokenizer>
<numberOfTokenizers>8</numberOfTokenizers>
</tokenizer>

4. Synchronize the configuration files using the following command -
  esadmin configmanager sync
5. Restart Parse and Index for the collection
6. Run the command -
esadmin check

7. You should see all the Stellent processes listed.
Eg:
col_66319.stellent
col_66319.stellent.1
col_66319.stellent.2
col_66319.stellent.3
col_66319.stellent.4
col_66319.stellent.5

The number of Stellent parsers you configure cannot be larger than:
  • The default maximum number of Stellent parsers (which is 4 by default).
  • The number of document processors.

The number of document processors and the number of tokenizes must be the same.

Note that each Document processor and Stellent process will take additional resource on the Content Analytics server, so make sure you have enough resources before you make this change.

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Document information


More support for:

Watson Content Analytics

Software version:

2.2, 3.0

Operating system(s):

AIX, Linux, Linux on System z, Windows

Reference #:

1634650

Modified date:

2013-05-16

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