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  1. Hadoop YARN
  2. YARN-3091 [Umbrella] Improve and fix locks of RM scheduler
  3. YARN-3487

CapacityScheduler scheduler lock obtained unnecessarily when calling getQueue

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      Recently saw a significant slowdown of applications on a large cluster, and we noticed there were a large number of blocked threads on the RM. Most of the blocked threads were waiting for the CapacityScheduler lock while calling getQueueInfo.

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        1. YARN-3487.003.patch
          1 kB
          Jason Darrell Lowe
        2. YARN-3487.002.patch
          2 kB
          Jason Darrell Lowe
        3. YARN-3487.001.patch
          1 kB
          Jason Darrell Lowe

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            jlowe Jason Darrell Lowe
            jlowe Jason Darrell Lowe
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              Created:
              Updated:
              Resolved: