Hi all, I would like to propose that HDFS-17384 to be merged to trunk:
- PR Link: PR#6762 - HDFS-17384: [FGL] HDFS NameNode FGL Phase I <https://github.com/apache/hadoop/pull/6762> - Branch to merge from: HDFS-17384 - Target branch: *trunk* *Key Changes:* 1. Introduces a Fine-Grained Lock Mode, which replaces the single Global Lock with - A Global FS Lock (FileSystem operations) - A Global BM Lock (Block Management operations) - Retains the Global Lock Mode as the default configuration. 2. Ensures no changes to processing logic or user-facing functionality in this phase *Tests and CI:* 1. All unit tests, integration tests, and CI pipelines have passed successfully. 2. The FGL Phase I has been successfully running in production environments at Shopee and BOSS Zhipin for over six months, with no reported performance regressions or stability issues. *Voting Options:* Please cast your votes on this merge request: - *+1* : Approve the merge - * -1* : Disapprove the merge (please provide a reason) - * 0* : Abstain This vote will remain open for at least *1 week*, closing on *2025-01-17* (or until a consensus is reached). I'd like to call out the contributions of Hui Fei, Chenyu Zheng, Yuanbo Liu, Haobo, Zhang, Haiyang Hu and Felix N who have all contributed significantly to getting this branch to its current state. I would also like to thank those who actively participated in FGL and raised questions. I'm start us off: +1 (binding) Looking forward to your feedback. Best regards, ZanderXu
