Quanlong Huang created IMPALA-13947:
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Summary: Turn on local-catalog mode by default
Key: IMPALA-13947
URL: https://issues.apache.org/jira/browse/IMPALA-13947
Project: IMPALA
Issue Type: Task
Components: Catalog
Reporter: Quanlong Huang
Assignee: Quanlong Huang
This aims to turn on local-catalog mode by default.
One behavior change is FileSystem permission checks will be defered to the
execution stage (IMPALA-7539). Note that in the legacy catalog mode, permission
checks are done in planning stage so illegal queries can fail before execution.
But preloading all the dir/file permissions is found to be a bottleneck of
metadata loading on large tables. So we decided to skip it in IMPALA-12929.
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