LoggingResearch created ZOOKEEPER-4856:
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Summary: Enhancement of QuorumCnxManager to Log Configuration
Parameter for Connection Timeout
Key: ZOOKEEPER-4856
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4856
Project: ZooKeeper
Issue Type: Improvement
Components: server
Affects Versions: 3.9.2
Environment: Zookeeper Version: 3.9.2
Location:
{{{}`zookeeper/zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/QuorumCnxManager.java`{}}},
in its constructor method. Lines 320-323.
Reporter: LoggingResearch
Attachments: QuorumCnxManagerTest.java, original-vs-log-enhanced.md
The {{QuorumCnxManager}} constructor in the ZooKeeper quorum module reads the
{{zookeeper.cnxTimeout}} system property to set the connection timeout.
However, there is currently no logging in place to indicate whether this
parameter has been set or what its value is. This enhancement adds logging to
ensure that users are informed whether the parameter is set and what value it
holds, or if it falls back to the default timeout.
*Expected Behavior:*
When the system property {{zookeeper.cnxTimeout}} is set, a log message should
be generated indicating the value and the configured timeout in milliseconds.
If the property is not set, a warning should be logged stating that the default
timeout will be used.
*How-to-Fix:*
We propose adding logging statements to expose the relationship between the
{{zookeeper.cnxTimeout}} system property and the connection timeout
configuration. This will help in debugging and understanding how the system
parameter affects the quorum manager's behavior.
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