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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2022/11/30 09:21:53 UTC
[GitHub] [iceberg] camper42 opened a new issue, #6318: executor logs ton of `INFO CodecPool: Got brand-new decompressor [.zstd]`
camper42 opened a new issue, #6318:
URL: https://github.com/apache/iceberg/issues/6318
### Apache Iceberg version
1.1.0 (latest release)
### Query engine
Spark
### Please describe the bug 🐞
call rewrite_data_files on a zstd+parquet table (feed by stream)
executor logs too many `INFO CodecPool: Got brand-new decompressor [.zstd]` and I have to set log level to `WARN` or my pod log will fill up ephemeral storage
Is this a side effect of #5681 ?
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[GitHub] [iceberg] nastra commented on issue #6318: executor logs ton of `INFO CodecPool: Got brand-new decompressor [.zstd]`
Posted by GitBox <gi...@apache.org>.
nastra commented on issue #6318:
URL: https://github.com/apache/iceberg/issues/6318#issuecomment-1333600955
I've looked at the code and this happened even before #5681. The decompressors are actually being re-used, but not across different Parquet Files. So this means in your case you have lots of Parquet files that are being read, and thus you're seeing this log output from Hadoop's `CodecPool`
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[GitHub] [iceberg] camper42 closed issue #6318: executor logs ton of `INFO CodecPool: Got brand-new decompressor [.zstd]`
Posted by GitBox <gi...@apache.org>.
camper42 closed issue #6318: executor logs ton of `INFO CodecPool: Got brand-new decompressor [.zstd]`
URL: https://github.com/apache/iceberg/issues/6318
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[GitHub] [iceberg] camper42 commented on issue #6318: executor logs ton of `INFO CodecPool: Got brand-new decompressor [.zstd]`
Posted by GitBox <gi...@apache.org>.
camper42 commented on issue #6318:
URL: https://github.com/apache/iceberg/issues/6318#issuecomment-1333612142
thx, so for my scenario, I may need to compact more promptly and/or set the log level of the `CodecPool` to `WARN`
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