Hi Shawn, Currently, the searching performance is still doing fine, but it is the indexing that is slowing down. Not sure if increasing the RAM, or changing to a SSD hard disk will help with the indexing speed?
Regards, Edwin On 19 April 2016 at 21:57, Shawn Heisey <apa...@elyograg.org> wrote: > On 4/18/2016 8:50 PM, Zheng Lin Edwin Yeo wrote: > > Thanks for your explanation. > > > > I have set my segment size to 20GB under the TieredMergePolicy > > > > <mergePolicy class="org.apache.lucene.index.TieredMergePolicy"> <int > name= > > "maxMergeAtOnce">10</int> <int name="segmentsPerTier">10</int> <double > name= > > "maxMergedSegmentMB">20480</double> </mergePolicy> > > That just controls the maximum size of a segment. This defaults to > 5GB. When segments reach this size, they will not be auto-merged > further. If you do an optimize, the the max segment size is ignored, > and the whole index will be merged into one segment. > > > I do have 192GB of RAM on my server which Solr is running on. > > With 1TB of index data on the server, 192GB will not give you optimal > performance, but if what you are getting is good enough for you, then > you probably don't need to rush out and buy more memory. > > Thanks, > Shawn > >
