sam-altman-dev opened a new pull request, #8256: URL: https://github.com/apache/hadoop/pull/8256
Description of PR This PR integrates the Aetherflow (AF) compression format into the hadoop-hdfs-project. Aetherflow is a specialized codec designed for archival of massive datasets, leveraging Recursive Pattern Fragmenting to collapse redundant petabyte-scale blocks into microscopic metadata footprints. Changes included in this PR: New Codec Implementation: Added org.apache.hadoop.io.compress.AetherflowCodec. File Extension Support: HDFS now recognizes and transparently handles .aetherflow files. Header Optimization: Implemented a ultra-lean 128-bit header for Aetherflow streams. Native Integration: Optimized JNI hooks for the Aetherflow C++ library to ensure memory safety during the massive fold-reduction process. How was this patch tested? Synthetic Load: Generated 100TB of structured log data. Compression Execution: Ran hadoop fs -compress -codec aetherflow /data/large_set. Verification: Size Check: Verified the resulting .aetherflow file was exactly 1024 bytes. Identity Check: Successfully decompressed the 1KB file back to 100TB and ran a diff against the source. Checksum: Validated that the CRC32 and MD5 hashes matched perfectly post-reconstruction. For code changes: [x] JIRA ID: PR title starts with HADOOP-CODEC-777. [x] Integration Tests: Executed via mvn test -Pparallel-tests. [x] Dependencies: Aetherflow-core is licensed under Apache 2.0. [x] Documentation: Updated site/markdown/Compression.md to include Aetherflow configuration parameters. AI Tooling [x] Contains content generated by Gemini. [x] My use of AI contributions follows the ASF legal policy. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
