morningman opened a new issue #335: Add a new tablet repair framework for faster tablet balance and repair URL: https://github.com/apache/incubator-doris/issues/335 # Current problem The current tablet repair and balance is based on CloneChecker, which is a fixed scheduler daemon thread. It checks all tablets at fixed period, and try to repair at most `Config.clone_max_job_num` tablets in one round. 1. It is very slow because it just run at a fix period even if there is no clone task running now. 2. User specify the priority of tablet repair, which tablet may be repaired is just a random choice. 3. No way to check the tablet repair progress. 4. Heavy coupling with other routine job such as ALTER. The new tablet repair framework will solve there problem
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