Re: Fwd: [PATCH] Add zstd compression for TOAST using extended header format

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: Dharin Shah <dharinshah95(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Fwd: [PATCH] Add zstd compression for TOAST using extended header format
Date: 2025-12-17 15:11:38
Message-ID: 4c70b0f6-5aba-464c-b145-464a620c1222@eisentraut.org
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On 16.12.25 11:51, Dharin Shah wrote:
> - Zstd only applies to external TOAST, not inline compression. The 2-bit
> limit in va_tcinfo stays as-is for inline data, where pglz/lz4 work fine
> anyway. Zstd's wins show up on larger values.

This is a very complicated patch. To motivate it, you should show some
detailed performance measurements that show these wins.

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