Yida Wu created IMPALA-11786:
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Summary: Take codegen cache memory into account for admission
controller
Key: IMPALA-11786
URL: https://issues.apache.org/jira/browse/IMPALA-11786
Project: IMPALA
Issue Type: Improvement
Reporter: Yida Wu
Assignee: Yida Wu
Currently admission controller is not aware of the memory usage of the codegen
cache, and the codegen cache is long-running and damon-level, this may lead to
more allocation failures during heavy workload scenario when the available
memory is running out. One solution is to subtract the codegen cache capacity
from the available memory that admission controller can use when
initialization, so that the admission controller would take account of the
usage of codegen cache since the beginning.
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