diff --git a/docs/reference/index-modules/merge.asciidoc b/docs/reference/index-modules/merge.asciidoc index 55c348d82f1..81316fac535 100644 --- a/docs/reference/index-modules/merge.asciidoc +++ b/docs/reference/index-modules/merge.asciidoc @@ -194,7 +194,7 @@ scheduler supports this setting: `index.merge.scheduler.max_thread_count`:: The maximum number of threads that may be merging at once. Defaults to -`Math.max(1, Math.min(3, Runtime.getRuntime().availableProcessors() / 2))`, +`Math.max(1, Math.min(3, Runtime.getRuntime().availableProcessors() / 2))` which works well for a good solid-state-disk (SSD). If your index is on spinning platter drives instead, decrease this to 1.