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https://issues.apache.org/jira/browse/IMPALA-12115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith resolved IMPALA-12115.
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Fix Version/s: Impala 4.4.0
Resolution: Fixed
> Must rebuild minicluster to switch filesystems
> ----------------------------------------------
>
> Key: IMPALA-12115
> URL: https://issues.apache.org/jira/browse/IMPALA-12115
> Project: IMPALA
> Issue Type: Task
> Components: Infrastructure
> Reporter: Michael Smith
> Assignee: Michael Smith
> Priority: Major
> Fix For: Impala 4.4.0
>
>
> When switching between HDFS, Ozone, S3, and erasure-coded variants, Impala's
> minicluster uses the same directory for config and data. That means any time
> you want to test a different one, you need to replace the current minicluster
> config/data (particularly data load) which can take awhile. When switching
> from erasure-coding, you usually need to wipe out the directory because it
> has too many nodes configured and build scripts don't know to clean them up.
> It would be useful to be able to switch between these configurations more
> quickly in a dev environment by preserving each. You can manually do that by
> setting {{IMPALA_CLUSTER_NODES_DIR}}, but that's an extra step to remember to
> do every time. We should set the directory based on {{TARGET_FILESYSTEM}} and
> {{ERASURE_CODING}} so they're automatically preserved.
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