Our index is too large to uninvert on the fly, so we've been looking
into using DocValues to keep a particular field uninverted at index
time. See http://wiki.apache.org/solr/DocValues
I don't know if this will solve your problem, but it might be worth
trying it out.
-Greg
On Tue, Sep 3, 2013 at 7:04 AM, Dennis Schafroth <den...@indexdata.com> wrote:
> We are harvesting and indexing bibliographic data, thus having many distinct
> author names in our index. While testing Solr 4 I believe I had pushed a
> single core to 100 million records (91GB of data) and everything was working
> fine and fast. After adding a little more to the index, then following
> started to happen:
>
> 17328668 [searcherExecutor-4-thread-1] WARN org.apache.solr.core.SolrCore –
> Approaching too many values for UnInvertedField faceting on field
> 'author_exact' : bucket size=16726546
> 17328701 [searcherExecutor-4-thread-1] INFO org.apache.solr.core.SolrCore –
> UnInverted multi-valued field
> {field=author_exact,memSize=336715415,tindexSize=5001903,time=31595,phase1=31465,nTerms=12048027,bigTerms=0,termInstances=57751332,uses=0}
> 18103757 [searcherExecutor-4-thread-1] ERROR org.apache.solr.core.SolrCore –
> org.apache.solr.common.SolrException: Too many values for UnInvertedField
> faceting on field author_exact
> at org.apache.solr.request.UnInvertedField.<init>(UnInvertedField.java:181)
> at
> org.apache.solr.request.UnInvertedField.getUnInvertedField(UnInvertedField.java:664)
>
> I can see that we reached a limit of bucket size. Is there a way to adjust
> this? The index also seem to explode in size (217GB).
>
> Thinking that I had reached a limit for what a single core could handle in
> terms of facet, I deleted records in the index, but even now at 1/3 (32
> million) it will still fails with above error. I have optimised with
> expungeDeleted=true. The index is somewhat larger (76GB) than I would have
> expected.
>
> While we can still use the index and get facets back using enum method on
> that field, I would still like a way to fix the index if possible. Any
> suggestions?
>
> cheers,
> :-Dennis
