Hello Rajani.
Which version are you running? IIRC 9.1.2 has some
improvement about caching short queries.

On Sun, Apr 16, 2023 at 4:25 PM Rajani Maski <rajinima...@gmail.com> wrote:

> Hi Solr Users,
>
> What are your suggestions to improve star queries latencies? By star
> queries I mean "*:*" or single term queries having boost formulas  (such as
> doc recency and many others) taking 10 or more seconds. It is a large
> collection with good compute resources, however I am guessing this may be
> because each shard has too many documents and I noticed per shard response
> time also is high.
>
> Splitting shards could be an option however it is already an
> evenly distributed, composite router, 96 shards collection, I am
> concerned that more than 100 shards per collection can lead to exhaustively
> searching too many shards and aggregation issues. What are your thoughts?
>
> Can we make use of any caches, query result cache or other caches, in solr
> that allows warming up and persisting these queries results in ram, and
> that maybe helps reduce this query time?
>
> Thanks,
> Rajani
>


-- 
Sincerely yours
Mikhail Khludnev
https://t.me/MUST_SEARCH
A caveat: Cyrillic!

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