RocMarshal created FLINK-33320:
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Summary: Support Dynamic Logger Level Adjustment
Key: FLINK-33320
URL: https://issues.apache.org/jira/browse/FLINK-33320
Project: Flink
Issue Type: Improvement
Components: Runtime / REST
Reporter: RocMarshal
During the process of routine program debugging or troubleshooting, analyzing
system logs is a common approach.
Comprehensive and detailed system logs contribute to improved visibility of
internal system execution information and also enhance the efficiency of
program debugging or issue troubleshooting.However, comprehensive and detailed
log settings can lead to the following issues:
# A sharp increase in log volume, accelerating disk occupancy.
# Potential risks of system performance degradation due to a large volume of
log printing.
# The need to simplify log configuration subsequently.
Therefore, introducing a mechanism to dynamically adjust the online log
output level in the event of diagnosing online issues or debugging programs
could be meaningful.
This mechanism should ideally provide the following two basic capabilities:
# Dynamically adjust log levels.
# Query the current log levels of the JM/TM in the cluster.
The proposal doc:
https://docs.google.com/document/d/1s2XQzet_8oPhMs3WyDhP_pPhAE3d1Gdw_qR4W0nKtlY/edit?usp=sharing
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