Jessie Anderson created FLINK-24568:
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Summary: Configuration equals method does not properly check
equality
Key: FLINK-24568
URL: https://issues.apache.org/jira/browse/FLINK-24568
Project: Flink
Issue Type: Bug
Components: Runtime / Configuration
Reporter: Jessie Anderson
Configuration's
[equals|https://github.com/apache/flink/blob/master/flink-core/src/main/java/org/apache/flink/configuration/Configuration.java#L938]
method only checks the configuration keys of the object the method is called
on, meaning that the method will still return true if the object passed as the
function argument contains additional config parameters. For example:
{code:java}
Configuration a = new Configuration();
Configuration b = new Configuration();
a.set(TaskManagerOptions.TOTAL_PROCESS_MEMORY, MemorySize.parse("1024mb"));
b.set(TaskManagerOptions.TOTAL_PROCESS_MEMORY, MemorySize.parse("1024mb"));
b.set(TaskManagerOptions.KILL_ON_OUT_OF_MEMORY, true);
a.equals(b); // true
b.equals(a); // false {code}
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