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disable-parquet-mem-cache - Amazon Timestream
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disable-parquet-mem-cache

Parameter Details
DefaultFALSE
Allowed ValuesFALSE, TRUE
CategoryMemory Management / Caching

Detailed Explanation:

When set to TRUE, completely disables the Parquet memory cache. All Parquet data reads go directly to object storage.

Recommendation: Keep as FALSE (default). Only set to TRUE for dedicated write-only ingestion nodes.