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Posted to notifications@iotdb.apache.org by "刘珍 (Jira)" <ji...@apache.org> on 2022/04/24 09:36:00 UTC

[jira] [Created] (IOTDB-2997) [ last query cache ] OOM

刘珍 created IOTDB-2997:
-------------------------

             Summary: [ last query cache ] OOM
                 Key: IOTDB-2997
                 URL: https://issues.apache.org/jira/browse/IOTDB-2997
             Project: Apache IoTDB
          Issue Type: Bug
          Components: Core/Schema Manager
    Affects Versions: 0.14.0-SNAPSHOT
            Reporter: 刘珍
            Assignee: Jialin Qiao
         Attachments: image-2022-04-24-17-31-36-557.png, image-2022-04-24-17-31-59-799.png

master_0421_8db8876
问题描述：
DEVICE_NUMBER=50
SENSOR_NUMBER=200000, 共1000w个序列。
CLIENT_NUMBER=10 
写入顺序数据，90%写入，10%查询。
MAX_HEAP_SIZE="20G"
MAX_DIRECT_MEMORY_SIZE="6G"
其余参数默认，OOM
 !image-2022-04-24-17-31-36-557.png! 
jprofiler监控（bm的写入和查询已经kill掉）：
 !image-2022-04-24-17-31-59-799.png! 

昊男帮忙定位，执行只有写入，没有查询。无OOM。
猜测last 查询在这种场景下没有控制内存
iotdb配置文件，bm配置文件见附件。

机器信息：8C32G * 2

192.168.130.1 iotdb
192.168.130.2   bm




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