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* fix getobject content length resp * Fix regression in exception handling for non-existent key with enhanced compression predicate and metadata improvements (#915) * Initial plan * Fix GetObject regression by excluding error responses from compression The issue was that CompressionLayer was attempting to compress error responses, which could cause Content-Length header mismatches. By excluding 4xx and 5xx responses from compression, we ensure error responses (like NoSuchKey) are sent correctly without body truncation. Co-authored-by: houseme <4829346+houseme@users.noreply.github.com> * Enhance NoSuchKey fix with improved compression predicate and comprehensive tests - Enhanced ShouldCompress predicate with size-based exclusion (< 256 bytes) - Added detailed documentation explaining the compression logic - Added debug logging for better observability - Created comprehensive test suite with 4 test cases: - test_get_deleted_object_returns_nosuchkey - test_head_deleted_object_returns_nosuchkey - test_get_nonexistent_object_returns_nosuchkey - test_multiple_gets_deleted_object - Added extensive inline documentation and comments - Created docs/fix-nosuchkey-regression.md with full analysis Co-authored-by: houseme <4829346+houseme@users.noreply.github.com> * Add compression best practices documentation Added comprehensive guide covering: - Best practices for HTTP response compression - Common pitfalls and solutions - Performance considerations and trade-offs - Testing guidelines and examples - Monitoring and alerting recommendations - Migration guide for existing services Co-authored-by: houseme <4829346+houseme@users.noreply.github.com> * fix * fmt * fmt * Fix/objectdelete (#917) * fix getobject content length resp * fix delete object --------- Co-authored-by: houseme <housemecn@gmail.com> * Add comprehensive analysis of NoSuchKey fix and related improvements Created detailed documentation analyzing: - HTTP compression layer fix (primary issue) - Content-length calculation fix from PR #917 - Delete object metadata fixes from PR #917 - How all components work together - Complete scenario walkthrough - Performance impact analysis - Testing strategy and deployment checklist This ties together all the changes in the PR branch including the merged improvements from PR #917. Co-authored-by: houseme <4829346+houseme@users.noreply.github.com> * replace `once_cell` to `std` * fmt --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: houseme <4829346+houseme@users.noreply.github.com> Co-authored-by: houseme <housemecn@gmail.com> Co-authored-by: weisd <im@weisd.in> * fmt --------- Co-authored-by: weisd <weishidavip@163.com> Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com> Co-authored-by: houseme <4829346+houseme@users.noreply.github.com> Co-authored-by: weisd <im@weisd.in>