Hello,
Are there any comments on this issue?
If there is no workaround, we will be forced to rollback to the 7.5.0
version.
Best regards,
Martynas
On Tue, Jan 12, 2021 at 12:27 PM Martynas L <martynas....@gmail.com> wrote:
> Hi,
>
> Please see attached sample.
> IndexGenerator - creates a dummy index.
> IndexReader - retrieves documents - duration time with 7.5.0 version is
> ~2s, while ~6s with 8.7.0
>
> Regards,
> Martynas
>
> On Tue, Dec 22, 2020 at 3:23 PM Vincenzo D'Amore <v.dam...@gmail.com>
> wrote:
>
>> I think it would be useful to have an example of a document and, if
>> possible, an example of query that takes too long.
>>
>> On Mon, Dec 21, 2020 at 1:47 PM Martynas L <martynas....@gmail.com>
>> wrote:
>>
>> > Hello,
>> >
>> > I am sorry for the delay.
>> >
>> > Not sure what you mean by "workload". We have a performance tests, which
>> > started failing after upgrading to 8.7.0.
>> > So I just tried to query the index (built form the same source) to get
>> all
>> > documents and compare the performance with 7.5.0.
>> >
>> > Document "size" is a sum of all stored string lengths (3402519
>> documents):
>> >
>> > doc size 903 - 88s vs 22s
>> >
>> > doc size 36 (only one field loaded, used searcher.doc(docID,
>> > Collections.singleton("fieldName"))) - 78s vs 16s
>> >
>> > doc size 439 (some fields made not stored) - 46s vs 14.5s
>> >
>> > Best regards,
>> > Martynas
>> >
>> > On Fri, Dec 4, 2020 at 12:06 AM Adrien Grand <jpou...@gmail.com> wrote:
>> >
>> > > Hello Martynas,
>> > >
>> > > There have indeed been changes related to stored fields in 8.7. What
>> does
>> > > your workload look like and how large are your documents on average?
>> > >
>> > > On Thu, Dec 3, 2020 at 3:04 PM Martynas L <martynas....@gmail.com>
>> > wrote:
>> > >
>> > > > Hi,
>> > > > We've migrated from 7.5.0 to 8.7.0 and find out that the index
>> > > "searching"
>> > > > is significantly (4-5 times) slower in the latest version.
>> > > > It seems that
>> > > > org.apache.lucene.search.IndexSearcher#doc(int)
>> > > > is slower.
>> > > >
>> > > > Is it possible to have similar performance with 8.7.0?
>> > > >
>> > > > Best regards,
>> > > > Martynas
>> > > >
>> > >
>> > >
>> > > --
>> > > Adrien
>> > >
>> >
>>
>>
>> --
>> Vincenzo D'Amore
>>
>
