Using their community edition......no support (yet!) :( Gene Robichaux Manager, Database Operations Match.com 8300 Douglas Avenue I Suite 800 I Dallas, TX 75225 Phone: 214-576-3273
-----Original Message----- From: jonathan.had...@gmail.com [mailto:jonathan.had...@gmail.com] On Behalf Of Jonathan Haddad Sent: Friday, September 26, 2014 12:58 PM To: user@cassandra.apache.org Subject: Re: Repair taking long time If you're using DSE you might want to contact Datastax support, rather than the ML. On Fri, Sep 26, 2014 at 10:52 AM, Gene Robichaux <gene.robich...@match.com> wrote: > I am on DSE 4.0.3 which is 2.0.7. > > > > If 4.5.1 is NOT 2.1. I guess an upgrade will not buy me much….. > > > > The bad thing is that table is not our largest….. :( > > > > > > Gene Robichaux > > Manager, Database Operations > > Match.com > > 8300 Douglas Avenue I Suite 800 I Dallas, TX 75225 > > Phone: 214-576-3273 > > > > From: Brice Dutheil [mailto:brice.duth...@gmail.com] > Sent: Friday, September 26, 2014 12:47 PM > To: user@cassandra.apache.org > Subject: Re: Repair taking long time > > > > Unfortunately DSE 4.5.0 is still on 2.0.x > > > -- Brice > > > > On Fri, Sep 26, 2014 at 7:40 PM, Jonathan Haddad <j...@jonhaddad.com> wrote: > > Are you using Cassandra 2.0 & vnodes? If so, repair takes forever. > This problem is addressed in 2.1. > > > On Fri, Sep 26, 2014 at 9:52 AM, Gene Robichaux > <gene.robich...@match.com> wrote: >> I am fairly new to Cassandra. We have a 9 node cluster, 5 in one DC >> and 4 in another. >> >> >> >> Running a repair on a large column family seems to be moving much >> slower than I expect. >> >> >> >> Looking at nodetool compaction stats it indicates the Validation >> phase is running that the total bytes is 4.5T (4505336278756). >> >> >> >> This is a very large CF. The process has been running for 2.5 hours >> and has processed 71G (71950433062). That rate is about 28.4 GB per >> hour. At this rate it will take 158 hours, just shy of 1 week. >> >> >> >> Is this reasonable? This is my first large repair and I am wondering >> if this is normal for a CF of this size. Seems like a long time to >> me. >> >> >> >> Is it possible to tune this process to speed it up? Is there >> something in my configuration that could be causing this slow >> performance? I am running HDDs, not SSDs in a JBOD configuration. >> >> >> >> >> >> >> >> Gene Robichaux >> >> Manager, Database Operations >> >> Match.com >> >> 8300 Douglas Avenue I Suite 800 I Dallas, TX 75225 >> >> Phone: 214-576-3273 >> >> > > > -- > Jon Haddad > http://www.rustyrazorblade.com > twitter: rustyrazorblade > > -- Jon Haddad http://www.rustyrazorblade.com twitter: rustyrazorblade
