@Gajendra Our response time dropped by 36% and our rps increased with 27%.
You have to reindex the core and the client should set to null the field if
it's unique.
În lun., 8 mar. 2021 la 13:18, Parshant Kumar
<parshant.ku...@indiamart.com.invalid> a scris:
> How can we make group_field null? Using nullPolicy=expand ?
>
> On Mon, Mar 8, 2021 at 4:41 PM Florin Babes <babesflo...@gmail.com> wrote:
>
> > We improved the performance of collapse by making the group_field null
> for
> > the documents that have an unique value for group_field. This might help/
> >
> >
> > În lun., 8 mar. 2021 la 12:40, Parshant Kumar
> > <parshant.ku...@indiamart.com.invalid> a scris:
> >
> > > yes,group_field is having high cardinality.
> > >
> > >
> > > Thanks
> > > Parshant Kumar
> > >
> > > On Mon, Mar 8, 2021 at 4:06 PM Florin Babes <babesflo...@gmail.com>
> > wrote:
> > >
> > > > Your group_field has a high cardinality?
> > > > Thanks,
> > > > Florin Babes
> > > >
> > > > În lun., 8 mar. 2021 la 10:35, Parshant Kumar
> > > > <parshant.ku...@indiamart.com.invalid> a scris:
> > > >
> > > > > Hi florin,
> > > > >
> > > > > I am using below.
> > > > >
> > > > > 1) fq={!collapse field=parentglusrid}
> > > > > 2) expand.rows=4
> > > > > 3) expand=true
> > > > >
> > > > > Size of index is around 100GB.
> > > > > Solr version is 6.5
> > > > >
> > > > > On Mon, Mar 8, 2021 at 1:46 PM Florin Babes <babesflo...@gmail.com
> >
> > > > wrote:
> > > > >
> > > > > > Hello,
> > > > > > First let's call the field you collapse on group_field
> > > > > > If group_field has a high cardinality you should make group_field
> > > null
> > > > > for
> > > > > > those documents that have a unique group_field and set
> > > > nullPolicy=expand.
> > > > > > By doing that solr will use less memory for it's internal maps
> (so
> > > > faster
> > > > > > gc) and the head selecting will be faster.
> > > > > > What is your head selecting strategy? Can you share your fq which
> > you
> > > > use
> > > > > > for collapsing?
> > > > > >
> > > > > > Thanks,
> > > > > > Florin Babes
> > > > > >
> > > > > >
> > > > > >
> > > > > > În lun., 8 mar. 2021 la 06:44, Parshant Kumar
> > > > > > <parshant.ku...@indiamart.com.invalid> a scris:
> > > > > >
> > > > > > > anyone please help
> > > > > > >
> > > > > > > On Wed, Mar 3, 2021 at 4:55 PM Parshant Kumar <
> > > > > > > parshant.ku...@indiamart.com>
> > > > > > > wrote:
> > > > > > >
> > > > > > > > Hi all,
> > > > > > > >
> > > > > > > > We have implemented collapse queries in place of grouped
> > queries
> > > on
> > > > > our
> > > > > > > > production solr. As mentioned in solr documentation collapse
> > > > queries
> > > > > > are
> > > > > > > > recommended in place of grouped queries in terms of
> > performance .
> > > > But
> > > > > > > after
> > > > > > > > switching to collapsed queries from grouped queries response
> > time
> > > > of
> > > > > > > > queries have increased. This is unexpected behaviour, the
> > > response
> > > > > time
> > > > > > > > should have been improved but results are opposites.
> > > > > > > > Please someone help why response time is increased for
> > collapsed
> > > > > > queries.
> > > > > > > >
> > > > > > > > Thanks
> > > > > > > > Parshant Kumar
> > > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > > > --
> > > > >
> > > > >
> > > >
> > >
> > > --
> > >
> > >
> >
>
> --
>
>
