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

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.