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Posted to issues-all@impala.apache.org by "Zoltán Borók-Nagy (Jira)" <ji...@apache.org> on 2025/08/26 14:21:00 UTC
[jira] [Updated] (IMPALA-14358) Event processing can invalidate Iceberg tables
[ https://issues.apache.org/jira/browse/IMPALA-14358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zoltán Borók-Nagy updated IMPALA-14358:
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Description:
CatalogServiceCatalog.reloadTableIfExists() can throw a ClassCastException when it tries to reload an Iceberg table. When it happens during event processing, the event processor invalidates the table.
This usually happens when another engine updates an Iceberg table. It then causes slow table loading times for Iceberg tables as the tables need to be fully reloaded instead of just doing an incremental table loading.
was:
CatalogServiceCatalog.reloadTableIfExists() can throw a ClassCastException when it tries to reload an Iceberg table. When it happens during event processing, the event processor invalidates the table.
This happens usually happens when another engine updates an Iceberg table. It then causes slow table loading times for Iceberg tables as the tables need to be fully reloaded instead of just doing an incremental table loading.
> Event processing can invalidate Iceberg tables
> ----------------------------------------------
>
> Key: IMPALA-14358
> URL: https://issues.apache.org/jira/browse/IMPALA-14358
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog
> Reporter: Zoltán Borók-Nagy
> Assignee: Zoltán Borók-Nagy
> Priority: Major
> Labels: impala-iceberg
>
> CatalogServiceCatalog.reloadTableIfExists() can throw a ClassCastException when it tries to reload an Iceberg table. When it happens during event processing, the event processor invalidates the table.
> This usually happens when another engine updates an Iceberg table. It then causes slow table loading times for Iceberg tables as the tables need to be fully reloaded instead of just doing an incremental table loading.
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