Btw: They break incremental repair if you use CDC: https://issues.apache. org/jira/browse/CASSANDRA-12888
Not only when using CDC! You shouldn't use incremental repairs with MVs. Never (right now). 2017-02-16 17:42 GMT+01:00 Jonathan Haddad <j...@jonhaddad.com>: > My advice to avoid them is based on the issues that have been filed in > Jira. Benjamin Roth is one of the only people talking about his MV usage, > and has filed a few JIRAs discussing their problems when bootstrapping new > nodes, as well as issues repairing. > > https://issues.apache.org/jira/browse/CASSANDRA-12730? > jql=project%20%3D%20CASSANDRA%20and%20reporter%20%3D% > 20brstgt%20and%20text%20~%20%22materialized%22 > > They also can't be altered: https://issues.apache.org/jira/browse/ > CASSANDRA-9736 > > They may be less performant than managing the data yourself: > https://issues.apache.org/jira/browse/CASSANDRA-10295, https:// > issues.apache.org/jira/browse/CASSANDRA-10307 > > They're not as flexible as your own tables: https://issues.apache. > org/jira/browse/CASSANDRA-9928, https://issues.apache.org/ > jira/browse/CASSANDRA-11194, https://issues.apache.org/jira/ > browse/CASSANDRA-12463 > > They break incremental repair if you use CDC: https://issues.apache. > org/jira/browse/CASSANDRA-12888 > > I don't know why DataStax advises using them. Perhaps ask them? > > Jon > > On Thu, Feb 16, 2017 at 7:57 AM Micha <mich...@fantasymail.de> wrote: > >> >> >> On 16.02.2017 16:33, Jonathan Haddad wrote: >> > >> > Regarding MVs, do not use the ones that shipped with 3.x. They're not >> > ready for production. Manage it yourself by using a second table and >> > inserting a second record there. >> > >> >> Out of interest... there is a slight discrepance between the advice not >> to use mv and the docu about the feature on the datastax side. Or do I >> have to use another cassandra version (instead of 3.9)? >> >> -- Benjamin Roth Prokurist Jaumo GmbH · www.jaumo.com Wehrstraße 46 · 73035 Göppingen · Germany Phone +49 7161 304880-6 · Fax +49 7161 304880-1 AG Ulm · HRB 731058 · Managing Director: Jens Kammerer
