Chesnay Schepler created FLINK-19007:
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Summary: Automatically set presto staging directory to io.tmp.dirs
Key: FLINK-19007
URL: https://issues.apache.org/jira/browse/FLINK-19007
Project: Flink
Issue Type: Improvement
Components: Connectors / FileSystem, Runtime / Configuration
Reporter: Chesnay Schepler
Fix For: 1.12.0
The presto S3 filesystem uses a staging directory on the local disk (for
buffering data or smth). This directory by default points to {{/tmp}}.
We often see users configuring a special directory for temporary files via
{{io.tmp.dirs}}, and it would make sense to automatically set the
{{staging-directory}} to the same path, iff it was not explicitly configured.
The corresponding property is {{presto.s3.staging-directory}}, found at
{{com.facebook.presto.hive.s3.PrestoS3FileSystem.S3_STAGING_DIRECTORY}}.
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