Can you elaborate on why not 3.7? On Tue, Sep 20, 2016 at 7:41 PM, Jonathan Haddad <j...@jonhaddad.com> wrote:
> If you haven't yet deployed to prod I strongly recommend *not* using 3.7. > > What network storage are you using? Outside of a handful of highly > experienced experts using EBS in very specific ways, it usually ends in > failure. > > On Tue, Sep 20, 2016 at 3:30 PM John Sanda <john.sa...@gmail.com> wrote: > >> I am deploying multiple Java web apps that connect to a Cassandra 3.7 >> instance. Each app creates its own schema at start up. One of the schema >> changes involves dropping a table. I am seeing frequent client-side >> timeouts reported by the DataStax driver after the DROP TABLE statement is >> executed. I don't see this behavior in all environments. I do see it >> consistently in a QA environment in which Cassandra is running in docker >> with network storage, so writes are pretty slow from the get go. In my logs >> I see a lot of tables getting flushed, which I guess are all of the dirty >> column families in the respective commit log segment. Then I seen a whole >> bunch of flushes getting queued up. Can I reach a point in which too many >> table flushes get queued such that writes would be blocked? >> >> >> -- >> >> - John >> >
