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From Trejkaz <>
Subject Does forceMerge(1) not always merge to one segment?
Date Mon, 22 May 2017 04:34:46 GMT
We're using IndexUpgrader to upgrade indexes.

The 4.10.4 version of this appears to be implemented with a call to
forceMerge(1). But when I look at the result for one particular index
here, I see that it has 11 segments after doing the merge.

When the 5.5.2 version was then run against the same index, it brought
it down to 2 ... but it seems to have been implemented using
forceMerge(1) too.

What is going on here?


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