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.aron...@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 >
