jpountz opened a new pull request, #13293:
URL: https://github.com/apache/lucene/pull/13293
Disable ConcurrentMergeScheduler's auto I/O throttling by default.
This is motivated by the fact that merges can hardly steal all I/O resources
from searches on modern NVMe drives. Merges are still not allowed to use all
CPU since they have a budget for the number of threads which is a fraction of
the number of threads that the host can run.
Closes #13193
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