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https://issues.apache.org/jira/browse/SPARK-39866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liu Shuo updated SPARK-39866:
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Attachment: image-2022-07-26-11-54-06-826.png
> Memory leak when closing a session of Spark Thrift Server
> ----------------------------------------------------------
>
> Key: SPARK-39866
> URL: https://issues.apache.org/jira/browse/SPARK-39866
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.1.3
> Reporter: Liu Shuo
> Priority: Critical
> Attachments: image-2022-07-26-11-54-06-826.png
>
>
> we are using Spark Thrift Server as a distributed sql query engine, the
> queries are related to read some datasource table with a lot of files.
> when we open multiple sessions, the Driver could be crashed with OOM.
> We can reproduce it with the following steps:
> # start spark thrift server;
> # using beeline to open a new session;
> # create a new datasource table;
> # insert one row data into this table;
> # open another 5 new sessions, then using `select` command to scan this table
> # close all the 6 session
> # using jmap command to print the dump of Driver
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