Stale comment in MergeScheduler?

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Hi all,

I'm trying to understand the merge scheduling in detail, and I stumbled
across this comment:
https://github.com/apache/lucene/blob/main/lucene/core/src/java/org/apache/lucene/index/ConcurrentMergeScheduler.java#L550-L555

This comment is there from the first incarnation of
ConcurrentMergeScheduler (see
https://github.com/apache/lucene/commit/299d6357dd296f87a099fadd0764292b28dbde47#diff-23900fa379fb66ff248ad4e66408a76607915862cc2130b35e0cd5686deee6ac),
but neither in the current, nor in the very first version I don't see any
selection of orthogonal merges.

Is the comment stale or invalid?

Viliam

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