Won’t work. I have tried optimize on 7.7.2 to 8.x where several segments were originally written in 5.x and 6.x. We are scratching our heads to achieve this seamlessly since reindexing will take several weeks given the size of indexes for many of our customers.
-Rahul On Thu, Oct 7, 2021 at 8:35 AM Michael Conrad <mich...@newsrx.com> wrote: > No, worst case is it closes the index writer and leaves the drive full. > 20k free space remaining. > > On 10/6/21 1:56 PM, Dave wrote: > > It’s ok. Worst case it just fails and kills the temporary index after > you run out of space. Really optimize is almost not even supported (it > still works) but a full reindex is always the best bet if you can destroy > original and it doesn’t effect anything > > > >> On Oct 6, 2021, at 1:53 PM, Michael Conrad <mich...@newsrx.com> wrote: > >> > >> too late.... it's in progress. > >> > >>> On 10/6/21 9:11 AM, Dave wrote: > >>> Hold on that idea then. An optimize will use three times your index > size possibly. > >>> > >>>>> On Oct 6, 2021, at 9:02 AM, Michael Conrad <mich...@newsrx.com> > wrote: > >>>> Thanks, > >>>> > >>>> I think we'll try the full optimize route as we don't have storage to > spare for second copies, etc. > >>>> > >>>> -Mike > >>>> > >>>>> On 10/6/21 8:54 AM, Dave wrote: > >>>>> Personally I always do a full reindex when going to a new version, > just safer and you should always be able to do such at any point. However > if you got the time to spare you can do an optimize and it will force the > segments all into the current version > >>>>> > >>>>>>> On Oct 6, 2021, at 8:46 AM, Michael Conrad <mich...@newsrx.com> > wrote: > >>>>>> Hello all, > >>>>>> > >>>>>> Is there an easy way to determine Lucene versions for segments? > >>>>>> > >>>>>> If we were to do a full reindex, rewriting all segments, would that > update the segment version to match the current Lucene version in use? > >>>>>> > >>>>>> We are working on upgrading from Solr 7.7.3 to Solr 8.x but have > discovered that several of our collections have segments that are Lucene 6. > >>>>>> > >>>>>> -Mike > >
