On 5/24/2017 3:44 AM, Toke Eskildsen wrote: > It is relatively easy to downgrade to an earlier release within the > same major version. We have not switched to 6.5.1 simply because we > have no pressing need for it - Solr 6.3 works well for us.
That strikes me as a little bit dangerous, unless your indexes are very static. The Lucene index format does occasionally change in minor versions. I do not know whether the index format changed from 6.3 to 6.5, but if it did, then 6.3 would not be able to read index segments built by 6.5, which might mean that it would refuse to read the entire index. Thanks, Shawn
