Do you update each entire document? (vs updating numeric docvalues?) That is implemented as 'delete and add' so I guess that will be slower than clean sheet indexing. Not sure if it is 3x slower, that seems a bit much?
On Tue, May 9, 2017 at 3:24 PM, Kudrettin Güleryüz <kudret...@gmail.com> wrote: > Hi, > > For a 5.2.1 index that contains around 1.2 million documents, updating the > index with 1.3 million files seems to take 3X longer than doing a scratch > indexing. (Files are crawled over NFS, indexes are stored on a mechanical > disk locally (Btrfs)) > > Is this expected for Lucene's update index logic, or should I further debug > my part of the code for update performance? > > Thank you, > Kudret >
