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Posted to issues@impala.apache.org by "David Rorke (Jira)" <ji...@apache.org> on 2023/03/02 23:36:00 UTC
[jira] [Created] (IMPALA-11966) Enable cache_ozone_file_handles by default
David Rorke created IMPALA-11966:
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Summary: Enable cache_ozone_file_handles by default
Key: IMPALA-11966
URL: https://issues.apache.org/jira/browse/IMPALA-11966
Project: IMPALA
Issue Type: Sub-task
Components: be
Reporter: David Rorke
Assignee: Michael Smith
Ozone file handle caching support was added in IMPALA-10214 but disabled by default initially. Subsequent performance testing with TPC-DS at 10TB scale has shown that enabling Ozone file handle caching improves TPC-DS geomean query time by 10%. The cache_ozone_file_handles parameter should be enabled by default.
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