ethqunzhong commented on a change in pull request #14200:
URL: https://github.com/apache/pulsar/pull/14200#discussion_r806730706
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File path: conf/log4j2.yaml
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@@ -134,7 +134,6 @@ Configuration:
additivity: true
AppenderRef:
- ref: "${sys:pulsar.log.appender}"
- level: "${sys:pulsar.log.level}"
Review comment:
i have set `pulsar.log.level=warn` for test. but not what i expected.
described as this issue #14298
**update:** 🤲
i have a test, result as follow:
as log4j2.yaml using way,

`pulsar.log.level` go into effect only set by ENV property
`PULSAR_LOG_LEVEL` which set in `pulsar_env.sh` while service starting.
while service running, change `pulsar.log.level` in log4j2.yaml is not work,
`pulsar.log.level` is unmodifiable now.
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