lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Dorian Hoxha <dorian.ho...@gmail.com>
Subject Re: Performance degradation after upgrading from 6.2.1 to 6.4.1
Date Tue, 14 Feb 2017 10:24:57 GMT
Did you see the other thread ? It looked like a problem with logging.

On Tue, Feb 14, 2017 at 10:52 AM, Henrik Brautaset Aronsen <
henrik.aronsen@gmail.com> wrote:

> We are seeing performance degradation on our SolrCloud instances after
> upgrading to 6.4.1.
>
>
> Here are a couple of graphs.  As you can see, 6.4.1 was introduced 2/10
> 1200:
>
>
> https://www.dropbox.com/s/qrc0wodain50azz/solr1.png?dl=0
>
> https://www.dropbox.com/s/sdk30imm8jlomz2/solr2.png?dl=0
>
>
> These are two very different usage scenarios:
>
>
> * Solr1 has constant updates and very volatile data (30 minutes TTL, 20
> shards with no replicas, across 8 servers).  Requests in the 99 percentile
> went from ~400ms to 1000-1500ms. (Hystrix cutoff at 1.5s)
>
>
> * Solr2 is a more traditional instance with long-lived data (updated once a
> day, 24 shards with 2 replicas, across 8 servers).  Requests in the 99
> percentile went from ~400ms to at least 1s. (Hystrix cutoff at 1s)
>
>
> I've been looking around, but cannot really find a reason for the
> performance degradation.  Does any of you have an idea?
>
>
> Cheers,
>
> Henrik
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message