Does the information is the below link about Cassandra and replication over WAN have any merit or is it just FUD?
http://www.roadtofailure.com/2009/10/29/hbase-vs-cassandra-nosql-battle/ On Mon, Mar 29, 2010 at 1:51 PM, Jonathan Ellis <jbel...@gmail.com> wrote: > Cassandra is an excellent choice for systems that Can't Lose Data. > > - real single-server durability (set CommitLogSync to "batch"), not > just "hope it replicates somewhere before you lose power" > - best multi-DC replication anywhere > - immutable data files mean it's very difficult to introduce corruption > bugs > - SnapshotBeforeCompaction option allows taking a snapshot of all > your data files before replacing them with newer ones, so you can roll > back to just before any compaction (as long as you have enough disk > space to hold the snapshots of course) > > -Jonathan > > On Mon, Mar 29, 2010 at 12:31 PM, Matthew Stump <mrevilgn...@gmail.com> > wrote: > > Am I crazy to want to switch our server's primary data store from > postgres to cassandra? This is a system used by banks and governments to > store crypto keys which absolutely can not be lost. >