Hi,
Thanks for the reply ;)
>
> this is all not public tot he code because it is also subject to change!
>
> With Lucene 4.x, you can assume:
> directoryReader.leaves().get(i) corresponds to segmentsinfos.info(i)
>
> WARNING: But this is only true if:
> - the reader is instanceof DirectoryReader
Yes, true. Thanks for the WARNING.
> - the segmentinfos were opened on the exact same commit point like the
> directory reader. If you have IndexWriter concurrently committing in between,
> this is no longer correct. To make this 100% correct, do
> DirectoryReader.listCommits(), chose one single "defined" commit and use it
> for DirectoryReader.open(CommitPoint) and the segmentInfos.read(Dir,
> commitPoint.getSegmentFileName()). Ideally open the DirectoryReader first, so
> it holds a lock, so the segments file may not be deleted before/while reading
> the segmentInfos.
Yes, I have a lock after each commit, and cache all the segments that are newly
created.
Thank you,
Best regards,
Andi
