sunhao created IOTDB-5401:
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Summary: Query estimated memory error
Key: IOTDB-5401
URL: https://issues.apache.org/jira/browse/IOTDB-5401
Project: Apache IoTDB
Issue Type: Bug
Components: Core/Query
Reporter: sunhao
Assignee: Yuan Tian
IoTDB> select count(source) from root.** group by level = 0; Msg: 301: There is
not enough memory to execute current fragment instance, current remaining free
memory is 476803733, estimated memory usage for current fragment instance is
593308831
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