Hi, we maintain a hard fork of Reaper that works with all versions of Cassandra up to 3.0.x : https://github.com/thelastpickle/cassandra-reaper Just to save you some time digging into all the forks that could exist.
Cheers, On Fri, Nov 25, 2016 at 7:37 AM Benjamin Roth <benjamin.r...@jaumo.com> wrote: > I recommend using cassandra-reaper > Using crons without proper Monitoring will most likely not work as > expected. > There are some reaper forks on GitHub. You have to check which one works > with your Cassandra version. The original one from Spotify only works on > 2.x not on 3.x > > Am 25.11.2016 07:31 schrieb "wxn...@zjqunshuo.com" <wxn...@zjqunshuo.com>: > > 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 > > *From:* Artur Siekielski <a...@vhex.net> > *Date:* 2016-11-10 04:22 > *To:* user <user@cassandra.apache.org> > *Subject:* repair -pr in crontab > Hi, > the docs give me an impression that repairing should be run manually, > and not put in crontab for default. Should each repair run be monitored > manually? > > If I would like to put "repair -pr" in crontab for each node, with a few > hour difference between the runs, are there any risks with such setup? > Specifically: > - if two or more "repair -pr" runs on different nodes are running at the > same time, can it cause any problems besides high load? > - can "repair -pr" be run simultaneously on all nodes at the same time? > - I'm using the default gc_grace_period of 10 days. Are there any > reasons to run repairing more often that once per 10 days, for a case > when previous repairing fails? > - how to monitor start and finish times of repairs, and if the runs were > successful? Does the "nodetool repair" command is guaranteed to exit > only after the repair is finished and does it return a status code to a > shell? > > -- ----------------- Alexander Dejanovski France @alexanderdeja Consultant Apache Cassandra Consulting http://www.thelastpickle.com
