I haven't asked about "regular" repairs. I just wanted to know how read repair behaves in my configuration (or is it doing anything at all).
2018-04-21 14:04 GMT+02:00 Rahul Singh <rahul.xavier.si...@gmail.com>: > Read repairs are one anti-entropy measure. Continuous repairs is another. > If you do repairs via Reaper or your own method it will resolve your > discrepencies. > > On Apr 21, 2018, 3:16 AM -0400, Grzegorz Pietrusza <gpietru...@gmail.com>, > wrote: > > Hi all > > I'm a bit confused with how read repair works in my case, which is: > - multiple DCs with RF 1 (NetworkTopologyStrategy) > - reads with consistency ONE > > > The article #1 says that read repair in fact runs RF reads for some > percent of the requests. Let's say I have read_repair_chance = 0.1. Does > it mean that 10% of requests will be read in all DCs (digest) and processed > in a background? > > On the other hand article #2 says that for consistency ONE read repair is > not performed. Does it mean that in my case read repair does not work at > all? Is there any way to enable read repair across DCs and stay will > consistency ONE for reads? > > > #1 https://www.datastax.com/dev/blog/common-mistakes-and-misconceptions > #2 https://docs.datastax.com/en/cassandra/3.0/cassandra/operations/ > opsRepairNodesReadRepair.html > > Regards > Grzegorz > >
