Query Manipulation Server 25.4
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# MinFinalSummaryChunkSize

The minimum number of tokens that the final chunk of text must include for QMS to use it to generate a summary.

When QMS performs summarization on pieces of text larger than the configured ChunkSize, QMS breaks the text up into chunks that each contain a maximum of ChunkSize tokens. QMS then generates summaries for each chunk and combines the results.

When the input text length results in a small final chunk, the generated summary for that final chunk is often poor quality. Set `MinFinalSummaryChunkSize` to include a summary for the final chunk only when that chunk is larger than the specified number of tokens.

Set `MinFinalSummaryChunkSize` to 0 to use summaries from final chunks of any size.

NOTE: When the text input contains only one chunk, QMS generates a summary regardless of the size, and does not enforce the `MinFinalSummaryChunkSize` limit.

This parameter has an effect only when Type is set to `GenerativeLLM`.

Type: | String
Default: | 50
Required: | No
Configuration Section: | MyGenerativeModel
Example: | `MinFinalSummaryChunkSize=120`
See Also: | Type

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Query Manipulation Server 25.4

Topic Title: MinFinalSummaryChunkSize