Relevant: https://issues.apache.org/jira/browse/CASSANDRA-12912
On Wed, Nov 30, 2016 at 12:32 PM, Jeff Jirsa <jji...@apache.org> wrote: > > > On 2016-11-30 10:02 (-0800), Ben Bromhead <b...@instaclustr.com> wrote: > > Also apparently the Everywhere Strategy is a bad idea (tm) according to > > comments in https://issues.apache.org/jira/browse/CASSANDRA-12629 but no > > reason has been given why... > > > > It's touched on in that thread, but it's REALLY EASY to misuse, and most > people who want it are probably going to shoot themselves in the foot with > it. > > The one example Jeremiah gave is admin logins with system_auth - requires > QUORUM, quorum on a large cluster is almost impossible to satisfy like that > (imagine a single digest mismatch triggering a blocking read repair on a > hundred nodes, and what that does to the various thread pools). > > > >
