Hi Francois, The issue you describe looks like a similar issue we have fixed before with matches count. Open an issue and we can look into it.
Martijn On 1 May 2012 20:14, Francois Perron <francois.per...@wantedanalytics.com> wrote: > Thanks for your response Cody, > > First, I used distributed grouping on 2 shards and I'm sure then all > documents of each group are in the same shard. > > I take a look on JIRA issue and it seem really similar. There is the same > problem with group.ngroups. The count is calculated in second pass so we > only had result from "useful" shards and it's why when I increase rows limit > i got the right count (they must use all my shards). > > Except it's a feature (i hope not), I will create a new JIRA issue for this. > > Thanks > > On 2012-05-01, at 12:32 PM, Young, Cody wrote: > >> Hello, >> >> When you say 2 slices, do you mean 2 shards? As in, you're doing a >> distributed query? >> >> If you're doing a distributed query, then for group.ngroups to work you need >> to ensure that all documents for a group exist on a single shard. >> >> However, what you're describing sounds an awful lot like this JIRA issue >> that I entered a while ago for distributed grouping. I found that the hit >> count was coming only from the shards that ended up having results in the >> documents that were returned. I didn't test group.ngroups at the time. >> >> https://issues.apache.org/jira/browse/SOLR-3316 >> >> If this is a similar issue then you should make a new Jira issue. >> >> Cody >> >> -----Original Message----- >> From: Francois Perron [mailto:francois.per...@wantedanalytics.com] >> Sent: Tuesday, May 01, 2012 6:47 AM >> To: solr-user@lucene.apache.org >> Subject: Grouping ngroups count >> >> Hello all, >> >> I tried to use grouping with 2 slices with a index of 35K documents. When >> I ask top 10 rows, grouped by filed A, it gave me about 16K groups. But, if >> I ask for top 20K rows, the ngroups property is now at 30K. >> >> Do you know why and of course how to fix it ? >> >> Thanks. > -- Met vriendelijke groet, Martijn van Groningen
