I don't know any more than Michael, but I'd _love_ some reports from the field.
There are some restriction on DocValues though, I believe one of them is that they don't really work on analyzed data.... FWIW, Erick On Wed, Sep 11, 2013 at 7:00 AM, Michael Sokolov < msoko...@safaribooksonline.com> wrote: > On 9/11/13 3:11 AM, Per Steffensen wrote: > >> Hi >> >> We have a SolrCloud setup handling huge amounts of data. When we do >> group, facet or sort searches Solr will use its FieldCache, and add data in >> it for every single document we have. For us it is not realistic that this >> will ever fit in memory and we get OOM exceptions. Are there some way of >> disabling the FieldCache (taking the performance penalty of course) or make >> it behave in a nicer way where it only uses up to e.g. 80% of the memory >> available to the JVM? Or other suggestions? >> >> Regards, Per Steffensen >> > I think you might want to look into using DocValues fields, which are > column-stride fields stored as compressed arrays - one value per document > -- for the fields on which you are sorting and faceting. My understanding > (which is limited) is that these avoid the use of the field cache, and I > believe you have the option to control whether they are held in memory or > on disk. I hope someone who knows more will elaborate... > > -Mike >
