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Posted to issues-all@impala.apache.org by "Weizisheng (Jira)" <ji...@apache.org> on 2025/12/10 07:07:00 UTC
[jira] [Created] (IMPALA-14622) Multi sub-query and union all in one query cause coordinator jvm oom
Weizisheng created IMPALA-14622:
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Summary: Multi sub-query and union all in one query cause coordinator jvm oom
Key: IMPALA-14622
URL: https://issues.apache.org/jira/browse/IMPALA-14622
Project: IMPALA
Issue Type: Bug
Components: Frontend
Affects Versions: Impala 4.3.0
Reporter: Weizisheng
Attachments: demo.sql
With demo.sql attached, coordinator will run out of heap memory the coordinator process.
the following log brushing in impalad.INFO
{code:java}
I1210 11:21:20.028505 2072263 MetastoreShim.java:655] e449e840948f713e:fb6ff8ba00000000] Table demo_table_1210,#bucket=-1,isBucketed:false,tableType=MANAGED_TABLE,tableCapabilities=null{code}
It happens for coordinator both with -Xmx8G and -Xmx32G.
thread dump with Eclipse MAT is here.
!image-2025-12-10-15-05-37-799.png!
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