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https://issues.apache.org/jira/browse/IMPALA-14923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltán Borók-Nagy updated IMPALA-14923:
---------------------------------------
Description:
When block locations are not available Impala works quite differently. E.g. it
doesn't create TScanRanges in the Frontend, but generates them in the backend
from TFileSplitGeneratorSpec objects.
It is possible to disable block location information via core-site.xml:
{noformat}
<property>
<name>impala.preload-block-locations-for-scheduling</name>
<value>false</value>
</property>
{noformat}
Executing a set of tests with disabled block locations could catch a few errors
in time.
was:
When block locations are not available Impala works quite differently. E.g. it
doesn't create TScanRanges in the Frontend, but generates them in the backend
from TFileSplitGeneratorSpec objects.
It is possible to disable block location information via core-site.xml:
{noformat}
<property>
<name>impala.preload-block-locations-for-scheduling</name>
<value>false</value>
</property>
{noformat}
Executing a set of tests with disabled block locations could catch a few errors
in time.
> Run Iceberg tests with no block locations
> -----------------------------------------
>
> Key: IMPALA-14923
> URL: https://issues.apache.org/jira/browse/IMPALA-14923
> Project: IMPALA
> Issue Type: Bug
> Components: Infrastructure, Test
> Reporter: Zoltán Borók-Nagy
> Assignee: Zoltán Borók-Nagy
> Priority: Major
> Labels: impala-iceberg
>
> When block locations are not available Impala works quite differently. E.g.
> it doesn't create TScanRanges in the Frontend, but generates them in the
> backend from TFileSplitGeneratorSpec objects.
> It is possible to disable block location information via core-site.xml:
> {noformat}
> <property>
> <name>impala.preload-block-locations-for-scheduling</name>
> <value>false</value>
> </property>
> {noformat}
>
> Executing a set of tests with disabled block locations could catch a few
> errors in time.
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