From c680a6e061cd5786aa9173a80205a50c467c218f Mon Sep 17 00:00:00 2001 From: Andrzej Bialecki Date: Thu, 22 Oct 2020 17:22:29 +0200 Subject: [PATCH] Move upgrade notes from CHANGES.txt to the Ref Guide. --- solr/solr-ref-guide/src/solr-upgrade-notes.adoc | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/solr/solr-ref-guide/src/solr-upgrade-notes.adoc b/solr/solr-ref-guide/src/solr-upgrade-notes.adoc index 355e021b70f..a658af625b8 100644 --- a/solr/solr-ref-guide/src/solr-upgrade-notes.adoc +++ b/solr/solr-ref-guide/src/solr-upgrade-notes.adoc @@ -53,7 +53,13 @@ If you are already on 8.6.1 or higher, you can ignore these instructions. *Deprecations* * The autoscaling framework is now formally deprecated and will be removed in Solr 9.0. -The Solr community is working on a plugin to replace this functionality, with the goal for it to be ready by the time 9.0 is released. +The Solr community is working on pluggable API to replace this functionality, with the goal for it to be ready by the time 9.0 is released. Deprecations include: autoscaling policy, triggers, `withCollection` support, simulation framework, autoscaling suggestions tab in the UI, `autoAddReplicas` and `UTILIZENODE` command. + +* Similarly, rule-based replica placement strategy has been deprecated and will be replaced + in Solr 9.0 by APIs for replica placement and cluster events, with plugin-based implementations. + +* Support for detecting spinning disks has been removed in LUCENE-9576. Corresponding +`spins` metrics in Solr still exist but now they always return `false` and will be removed in Solr 9.0. *Legacy Scaling (non-SolrCloud) Terminology Updated*