It is absolutely ok to run parallel repair -pr, if 1. the ranges do not overlap 2. if your cluster can handle the pressure - do not underestimate that.
In reaper you can tweak some settings like repair intensity to give your cluster some time to breath between repair slices. 2016-11-25 11:34 GMT+01:00 Artur Siekielski <a...@vhex.net>: > Hi, > yes, I read about how the repairing works, but the docs/blog posts lack > practical recommendations and "best practices". For example, I found people > having issues with running "repair -pr" simultaneously on all nodes, but it > isn't clear it shouldn't be allowed. > > In the end I implemented rolling, sequential "repair -pr" run on all nodes > (it's pretty easy to implement when you have Salt/Ansible, or even ssh). > > > On 11/25/2016 07:30 AM, wxn...@zjqunshuo.com wrote: > >> Hi Artur, >> When I asked similar questions, someone addressed me to the below links >> and they are helpful. >> >> See http://www.datastax.com/dev/blog/repair-in-cassandra >> https://lostechies.com/ryansvihla/2015/09/25/cassandras- >> repair-should-be-called-required-maintenance/ >> https://cassandra-zone.com/understanding-repairs/ >> >> Cheers, >> -Simon >> >> > -- 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
