Atri Sharma created LUCENE-9066:
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Summary: Modal Strategy In Concurrent Query Execution
Key: LUCENE-9066
URL: https://issues.apache.org/jira/browse/LUCENE-9066
Project: Lucene - Core
Issue Type: Improvement
Reporter: Atri Sharma
When executing a query concurrently today, we do not take any sort of system
statistics into account. For e.g. if the node is under high pressure, it is not
advisable to spawn a large number of threads for a query since they are most
likely to be blocked waiting for CPU to be available. However, the converse is
that for a lightly loaded cluster, the query can consume as many threads as
required.
This Jira tracks high level efforts in this direction. The first idea is to
account the Executor's wait queue's size as a factor when allocating slices to
a query's segments.
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