Michael McCandless created LUCENE-5951:
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Summary: Detect when index is on SSD and set dynamic defaults
Key: LUCENE-5951
URL: https://issues.apache.org/jira/browse/LUCENE-5951
Project: Lucene - Core
Issue Type: Improvement
Reporter: Michael McCandless
E.g. ConcurrentMergeScheduler should default maxMergeThreads to 3 if it's on
SSD and 1 if it's on spinning disks.
I think the new NIO2 APIs can let us figure out which device we are mounted on,
and from there maybe we can do os-specific stuff e.g. look at
/sys/block/dev/queue/rotational to see if it's spinning storage or not ...
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