[jira] [Created] (IOTDB-3933) In the hypermetro version, when IOTDB B is down, IOTDB A tries to write data to B, causing CPU and disk reads and writes.

Fri, 22 Jul 2022 04:55:08 -0700 

zhenqqiang created IOTDB-3933:
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             Summary: In the hypermetro version, when IOTDB B is down, IOTDB A 
tries to write data to B, causing CPU and disk reads and writes. 
                 Key: IOTDB-3933
                 URL: https://issues.apache.org/jira/browse/IOTDB-3933
             Project: Apache IoTDB
          Issue Type: Bug
    Affects Versions: 0.13.0
            Reporter: zhenqqiang


In the hypermetro version, when IOTDB B is down, IOTDB A tries to write data to 
B, causing CPU and disk reads and writes. The CPU increases to 100%. This can 
be optimized as: when Iotdb B is down, one thread queries THE status of B. When 
B is normal, the thread continues to fetch data from the queue and read disks.



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