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Posted to hdfs-dev@hadoop.apache.org by "yuyanlei (Jira)" <ji...@apache.org> on 2022/08/09 08:55:00 UTC

[jira] [Created] (HDFS-16725) There is a memory-related problem about HDFS namenode

yuyanlei created HDFS-16725:
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             Summary: There is a memory-related problem about HDFS namenode
                 Key: HDFS-16725
                 URL: https://issues.apache.org/jira/browse/HDFS-16725
             Project: Hadoop HDFS
          Issue Type: Task
          Components: hdfs, namanode
    Affects Versions: 2.7.2
            Reporter: yuyanlei
         Attachments: 图片_lanxin_20220809153722.png

* The Namenode of HDFS is currently set to 280G memory. By checking the memory status through PMAP, it is found that [heap] occupies a lot of memory, which seems to be related to malloc ，Have you encountered any similar problems.
 * This is a screenshot:



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