sms are both 10K, the time of building pipelined regions decreases by 99%, from 8,257 ms to 120 ms.</p>
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  Summary
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<p>All in all, we&rsquo;ve done several optimizations to improve the scheduler’s performance for large-scale jobs in Flink 1.13 and 1.14. The optimizations involve procedures including job initialization, scheduling, task deployment, and failover. If you have any questions about them, please feel free to start a discussion in th