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Add CQL request compression support #222

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Nov 12, 2025
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Add CQL request compression support #222

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7 changes: 3 additions & 4 deletions modules/ROOT/pages/feasibility-checklists.adoc
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Expand Up @@ -185,10 +185,9 @@ If you use the HTTP API then you can either modify your applications to use the

The binary protocol used by {cass-short}, {dse-short}, {hcd-short}, and {astra-db} supports optional compression of transport-level requests and responses that reduces network traffic at the cost of CPU overhead.

{product-proxy} doesn't support protocol compression.

This compression type is disabled by default in {company}-compatible drivers.
If it is enabled in your client application, you must disable it before starting the migration process.
When establishing connections from client applications, {product-proxy} responds with a list of compression algorithms supported by both clusters.
The compression algorithm configured in your {company}-compatible driver must match any item from the common list, or CQL request compression must be disabled completely.
{product-proxy} cannot decompress and recompress CQL requests using different compression algorithms.

This isn't related to storage compression, which you can configure on specific tables with the `compression` table property.
Storage/table compression doesn't affect the client application or {product-proxy} in any way.
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