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[docs] upgrade 0.7 to 0.8 about sasl authorization and default database. #1871

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Oct 30, 2025
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[docs] upgrade 0.7 to 0.8 about sasl authorization and default database. #1871

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9 changes: 9 additions & 0 deletions website/docs/maintenance/operations/upgrade-notes-0.8.md
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Expand Up @@ -98,3 +98,12 @@ This change prioritizes **tiering service stability and performance**:
- **Disable auto-compaction** for tables where tiering speed is more important than storage optimization
- **Monitor resource usage** when enabling auto-compaction to ensure it doesn't impact tiering performance
- **Consider manual compaction** for large tables during maintenance windows

## SASL Plain Authorization jaas configuration
Due to Fluss being donated to the Apache Software Foundation, the package namespace has been changed from `org.alibaba.fluss` to `org.apache.fluss`.
The `security.sasl.plain.jaas.config` configuration has been updated accordingly:
* Server side: `security.sasl.plain.jaas.config` is changed from `org.alibaba.fluss.security.auth.sasl.plain.PlainLoginModule` to `org.apache.fluss.security.auth.sasl.plain.PlainLoginModule`.
* Client side: `client.security.sasl.jaas.config` is changed from `org.alibaba.fluss.security.auth.sasl.plain.PlainLoginModule` to `org.apache.fluss.security.auth.sasl.plain.PlainLoginModule`. If you are using client.security.sasl.username and client.security.sasl.password configurations, no changes are required as these remain compatible.

## Flink Catalog required Default database.
Fluss catalog used to not need defalut database even though a wrong defalut database won't be checked. From 0.8, it's required to specify a default database.