Committing to that many 9s is going to be impossible since as far as I know no internet service provier will sla you more the 2 9s . You can not have more uptime then your isp.
On Wednesday, June 22, 2011, Chris Burroughs <chris.burrou...@gmail.com> wrote: > On 06/22/2011 05:33 PM, Les Hazlewood wrote: >> Just to be clear: >> >> I understand that resources like [1] and [2] exist, and I've read them. I'm >> just wondering if there are any 'gotchas' that might be missing from that >> documentation that should be considered and if there are any recommendations >> in addition to these documents. >> >> Thanks, >> >> Les >> >> [1] http://www.datastax.com/docs/0.8/operations/index >> [2] http://wiki.apache.org/cassandra/Operations >> > > Well if they new some secret gotcha the dutiful cassandra operators of > the world would update the wiki. > > The closest thing to a 'gotcha' is that neither Cassandra nor any other > technology is going to get you those nines. Humans will need to commit > to reading the mailing lists, following JIRA, and understanding what the > code is doing. And humans will need to commit to combine that > understanding with monitoring and alerting to figure out all of the "it > depends" for your particular case. >
