yihua commented on issue #7487:
URL: https://github.com/apache/hudi/issues/7487#issuecomment-1376840871
Hi @AdarshKadameriTR to fully understand where these S3 requests / API calls
come from, you should enable S3 request logs by setting
`log4j.logger.com.amazonaws.request=DEBUG` in log4j properties file and the
following Spark configs:
```
--conf
spark.driver.extraJavaOptions="-Dlog4j.configuration=file:/<path>/s3-debug.log4j.properties"
--conf
spark.executor.extraJavaOptions="-Dlog4j.configuration=file:/<path>/s3-debug.log4j.properties"
```
Then in the driver and executor logs you'll see request logs like:
```
DEBUG request: Sending Request: GET
https://<bucket>.s3.us-east-2.amazonaws.com / Parameters:
({"list-type":["2"],"delimiter":["/"],"max-keys":["5000"],"prefix":["table/.hoodie/metadata/.hoodie/"],"fetch-owner":["false"]}Headers:
...
```
This helps you understand which prefix / directory triggers the most S3
requests, and then we can dig deeper into why that's happening.
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