gengliangwang opened a new pull request, #46383:
URL: https://github.com/apache/spark/pull/46383
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### What changes were proposed in this pull request?
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For interpreters, structured logging should be disabled by default to avoid
generating mixed plain text and structured logs on the same console.
spark-shell output with mixed plain text and structured logs:
```
Using Scala version 2.13.13 (OpenJDK 64-Bit Server VM, Java 17.0.9)
Type in expressions to have them evaluated.
Type :help for more information.
{"ts":"2024-05-04T01:11:03.797Z","level":"WARN","msg":"Unable to load
native-hadoop library for your platform... using builtin-java classes where
applicable","logger":"NativeCodeLoader"}
{"ts":"2024-05-04T01:11:04.104Z","level":"WARN","msg":"Service 'SparkUI' could
not bind on port 4040. Attempting port 4041.","logger":"Utils"}
Spark context Web UI available at http://10.10.114.155:4041/
Spark context available as 'sc' (master = local[*], app id =
local-1714785064155).
Spark session available as 'spark'.
```
After changes, all the output are plain text:
```
Type :help for more information.
24/05/03 18:11:35 WARN NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
24/05/03 18:11:35 WARN Utils: Service 'SparkUI' could not bind on port 4040.
Attempting port 4041.
Spark context Web UI available at http://10.10.114.155:4041/
Spark context available as 'sc' (master = local[*], app id =
local-1714785095892).
Spark session available as 'spark'.
```
Note that submitting a spark application using `spark-submit` will still
generates structured logs.
### Why are the changes needed?
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To avoid tgenerating mixed plain text and structured logs on the same
console when using the Interpreters.
### Does this PR introduce _any_ user-facing change?
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the documentation fix.
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No, this reverts to the behavior of Spark 3.5
### How was this patch tested?
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Manual test
### Was this patch authored or co-authored using generative AI tooling?
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No
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