Dsbulk works same as sstableloder.
Regards, Nitan Cell: 510 449 9629 > On Jan 24, 2020, at 10:40 AM, Sergio <lapostadiser...@gmail.com> wrote: > > > I was wondering if that improvement for token allocation would work even with > just one rack. It should but I am not sure. > > Does Dsbulk support migration cluster to cluster without CSV or JSON export? > > Thanks and Regards > >> On Fri, Jan 24, 2020, 8:34 AM Nitan Kainth <nitankai...@gmail.com> wrote: >> Instead of sstableloader consider dsbulk by datastax. >> >>> On Fri, Jan 24, 2020 at 10:20 AM Reid Pinchback >>> <rpinchb...@tripadvisor.com> wrote: >>> Jon Haddad has previously made the case for num_tokens=4. His Accelerate >>> 2019 talk is available at: >>> >>> >>> >>> https://www.youtube.com/watch?v=swL7bCnolkU >>> >>> >>> >>> You might want to check that out. Also I think the amount of effort you >>> put into evening out the token distribution increases as vnode count >>> shrinks. The caveats are explored at: >>> >>> >>> >>> https://thelastpickle.com/blog/2019/02/21/set-up-a-cluster-with-even-token-distribution.html >>> >>> >>> >>> >>> >>> From: Voytek Jarnot <voytek.jar...@gmail.com> >>> Reply-To: "user@cassandra.apache.org" <user@cassandra.apache.org> >>> Date: Friday, January 24, 2020 at 10:39 AM >>> To: "user@cassandra.apache.org" <user@cassandra.apache.org> >>> Subject: sstableloader & num_tokens change >>> >>> >>> >>> Message from External Sender >>> >>> Running 3.11.x, 4 nodes RF=3, default 256 tokens; moving to a different 4 >>> node RF=3 cluster. >>> >>> >>> >>> I've read that 256 is not an optimal default num_tokens value, and that 32 >>> is likely a better option. >>> >>> >>> >>> We have the "opportunity" to switch, as we're migrating environments and >>> will likely be using sstableloader to do so. I'm curious if there are any >>> gotchas with using sstableloader to restore snapshots taken from 256-token >>> nodes into a cluster with 32-token nodes (otherwise same # of nodes and >>> same RF). >>> >>> >>> >>> Thanks in advance.
