Ajith S created SPARK-30556:
-------------------------------
Summary: SubqueryExec passes local properties to
SubqueryExec.executionContext
Key: SPARK-30556
URL: https://issues.apache.org/jira/browse/SPARK-30556
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.4.4, 3.0.0
Reporter: Ajith S
Local properties set via sparkContext are not available as TaskContext
properties when executing jobs and threadpools have idle threads which are
reused
Explanation:
When SubqueryExec, the {{relationFuture}} is evaluated via a separate thread.
The threads inherit the {{localProperties}} from sparkContext as they are the
child threads.
These threads are controlled via the executionContext (thread pools). Each
Thread pool has a default {{keepAliveSeconds}} of 60 seconds for idle threads.
Scenarios where the thread pool has threads which are idle and reused for a
subsequent new query, the thread local properties will not be inherited from
spark context (thread properties are inherited only on thread creation) hence
end up having old or no properties set. This will cause taskset properties to
be missing when properties are transferred by child thread via
{{sparkContext.runJob/submitJob}}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
