Ok, thanks for the clarification. Jan
> 28. aug. 2023 kl. 20:43 skrev Rahul Goswami <rahul196...@gmail.com>: > > Yep, that check is present in Lucene 9.x as well. It will refuse to open an > index created in 7.x. > > https://github.com/apache/lucene/blob/releases/lucene/9.4.0/lucene/core/src/java/org/apache/lucene/index/SegmentInfos.java#L345 > > https://github.com/apache/lucene/blob/releases/lucene/9.4.0/lucene/core/src/java/org/apache/lucene/util/Version.java#L262 > > -Rahul > > On Mon, Aug 28, 2023 at 2:31 PM Shawn Heisey <apa...@elyograg.org> wrote: > >> On 8/28/23 05:03, Jan Høydahl wrote: >>> Are you sure that 9.x refuse to open an index first created in 7.x? I >> thought that strict policy was only needed in 8.0 due to a particular lossy >> data structure change, and that 9.x is more lenient? >> >> I haven't actually tried it, but I believe N-1 is enforced for all >> versions starting with 8.0, including 9.x and 10.0.0-SNAPSHOT. That >> would need to be verified by someone who is more familiar with Lucene >> than I am. >> >> Thanks, >> Shawn >>
