刘珍 created IOTDB-5568:
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Summary: ”IoTDB-WAL-Recover“ thread recover very slowly
Key: IOTDB-5568
URL: https://issues.apache.org/jira/browse/IOTDB-5568
Project: Apache IoTDB
Issue Type: Improvement
Components: mpp-cluster
Reporter: 刘珍
Assignee: Haiming Zhu
Attachments: image-2023-02-21-17-02-08-057.png,
image-2023-02-21-17-02-23-147.png, image-2023-02-21-17-03-43-288.png,
image-2023-02-21-17-04-20-970.png
测试版本：
master_0221_4dcd564
问题描述：”IoTDB-WAL-Recover“ 线程执行恢复操作非常慢，现象如下：
!image-2023-02-21-17-02-08-057.png!
监控这个线程的cpu：
!image-2023-02-21-17-02-23-147.png!
jstack datanode的进程，见附件。
pid=1771 对应的线程：
!image-2023-02-21-17-03-43-288.png!
cpu高期间对应的日志,,间隔15分钟日志才有更新：
Successfully recover WAL node in the directory
/data/mpp_test/m_0221_4dcd564/sbin/../data/datanode/wal/root.test.g_1-11
!image-2023-02-21-17-04-20-970.png!
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