FWIW the largest deployment I know about is a single reaper instance managing 50 clusters and over 2000 nodes.
There might be bigger, but I either don’t know about it or can’t remember. On Sun, May 20, 2018 at 10:04 AM Abdul Patel <abd786...@gmail.com> wrote: > Hi, > > I recently tested reaper and it actually helped us alot. Even with our > small footprint 18 node reaper takes close to 6 hrs.<intially took 13 hrs > ,i was able to tune it 50%>. But it really depends on number nodes. For > example if you have 4 nodes then it runs on 4*256<vnodes> =1024 segements , > so for your env. Ut will be 256*144 close to 36k segements. > Better test on poc box how much time it takes and then proceed further ..i > have tested so far in 1 dc only , we can actually have seperate reaper > instance handling seperate dc but havent tested it yet. > > > On Sunday, May 20, 2018, Surbhi Gupta <surbhi.gupt...@gmail.com> wrote: > >> Hi, >> >> We have a cluster with 144 nodes( 3 datacenter) with 256 Vnodes . >> When we tried to start repairs from opscenter then it showed 1.9Million >> ranges to repair . >> And even after doing compaction and strekamthroughput to 0 , opscenter is >> not able to help us much to finish repair in 9 days timeframe . >> >> What is your thought on Reaper ? >> Do you think , Reaper might be able to help us in this scenario ? >> >> Thanks >> Surbhi >> > -- Jon Haddad http://www.rustyrazorblade.com twitter: rustyrazorblade
