RexXiong opened a new pull request, #2507:
URL: https://github.com/apache/celeborn/pull/2507
…et workers/lostworkers/shutdownWorkers.
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### What changes were proposed in this pull request?
1. Use ConcurrentSet to replace ArrayList for workers.
2. Remove unnecessary sync and snapshot when get
workers/lostworkers/shutdownWorkers
### Why are the changes needed?
1. Reduce unnecessary sync to get workers/lostworkers/shutdownWorkers.
2. Somewhere in the Master, directly using statusSystem.workers(ArrayList)
is not safe, potentially leading to concurrent modification issues.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Pass GA
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