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https://issues.apache.org/jira/browse/IMPALA-12337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Baike Xia updated IMPALA-12337:
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Description:
Removes all files from a table’s data directory that are not linked from
metadata files and that are older than the value of {{retention_threshold}}
parameter. Deleting orphan files from time to time is recommended to keep size
of a table’s data directory under control.
{code:java}
ALTER TABLE test_table EXECUTE delete_orphan_files(retention_threshold => '7d')
{code}
See the syntax for expire_snapshot:IMPALA11362
was:
Removes all files from a table’s data directory that are not linked from
metadata files and that are older than the value of {{retention_threshold}}
parameter. Deleting orphan files from time to time is recommended to keep size
of a table’s data directory under control.
{code:java}
ALTER TABLE test_table EXECUTE remove_orphan_files(retention_threshold => '7d')
{code}
See the syntax for
expire_snapshot:[IMPALA11362|https://issues.apache.org/jira/browse/IMPALA-11362]
> Delete orphan files for Iceberg table
> -------------------------------------
>
> Key: IMPALA-12337
> URL: https://issues.apache.org/jira/browse/IMPALA-12337
> Project: IMPALA
> Issue Type: New Feature
> Components: Catalog, Frontend
> Reporter: Baike Xia
> Assignee: Baike Xia
> Priority: Major
> Labels: impala-iceberg
>
> Removes all files from a table’s data directory that are not linked from
> metadata files and that are older than the value of {{retention_threshold}}
> parameter. Deleting orphan files from time to time is recommended to keep
> size of a table’s data directory under control.
> {code:java}
> ALTER TABLE test_table EXECUTE delete_orphan_files(retention_threshold =>
> '7d') {code}
> See the syntax for expire_snapshot:IMPALA11362
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