Pooja Nilangekar created IMPALA-7234:
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Summary: Non-deterministic majority format for a table with equal
partition instances
Key: IMPALA-7234
URL: https://issues.apache.org/jira/browse/IMPALA-7234
Project: IMPALA
Issue Type: Bug
Reporter: Pooja Nilangekar
Assignee: Pooja Nilangekar
The getMajorityFormat method of the FeCatalogUtils currently returns
non-deterministic results when its argument is a list of partitions where there
is no numerical majority in terms of the number of instances. The result is
determined by the order in which the partitions are added to the HashMap. We
need more deterministic results which also considers the memory requirement
among different types of partitions. Ideally, this function should return the
format with higher memory requirements in case of a tie.
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