*7.2.1 to 8.x (doesn’t matter anyway)
On Thu, Oct 7, 2021 at 8:46 AM Rahul Goswami <rahul196...@gmail.com> wrote: > > 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 >> >>
