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Add changelog entry for #3302 (compressed request buffer fix, #3303) - #3305
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Add history/latest/3302.md for the compressed request buffer fix in ClickHouse#3303. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
chernser
approved these changes
Nov 5, 2026
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Summary
Adds the changelog entry for #3303 (community fix by @dizider for #3302) as
history/latest/3302.md. #3303 itself has no changelog file, so this PR adds it separately. It changes no code.Entry:
Related: #3302, #3303. The backport to
v0.11.0is a separate PR.Checklist
🤖 Generated with Claude Code
Note
Low Risk
Documentation-only changelog addition with no runtime or build changes.
Overview
Adds
history/latest/3302.mdso the fix merged in #3303 is documented in the changelog; this PR does not change application code.The entry records that client-v2
INSERTwithcompressClientRequest(true)could fail with LZ4/ZSTD “destination buffer too small” when a 64 KiB chunk does not compress (e.g. random data), because the output buffer matched the uncompressed block size instead of the codec’s worst-case bound. The documented fix usesLZ4Compressor.maxCompressedLengthandZstd.compressBound; the regression is noted from 0.11.0.Reviewed by Cursor Bugbot for commit e110072. Bugbot is set up for automated code reviews on this repo. Configure here.