Re: Convert single node C* to cluster (rebalancing problem)

2017-06-16 Thread John Hughes
E KEYSPACE orion WITH replication = {'class': 'SimpleStrategy', > 'replication_factor': '1'} AND durable_writes = true;" > > However, how does the RF affect the redistribution of key/data? > > Affan > > - Affan > > On Wed, Jun 1

Re: Convert single node C* to cluster (rebalancing problem)

2017-06-13 Thread John Hughes
ution also depends on your >> schema and incoming data profile. >> >> If your schema is not modelled correctly you can easily end up unevenly >> distributed data. >> >> Cheers, >> Akhil >> >> On Tue, Jun 13, 2017 at 3:36 AM, John Hughes >>

Re: Node replacement strategy with AWS EBS

2017-06-13 Thread John Hughes
In aws, I just grow the cluster 2x, then shrink away the old nodes via decommission. Mind you I am not dealing with TBs of data, just hundreds of gigs. Also, I have deployment automated with Cloud Formation and Priam. YMMV. On Tue, Jun 13, 2017 at 2:22 PM Cogumelos Maravilha < cogumelosmaravi...@s

Re: Convert single node C* to cluster (rebalancing problem)

2017-06-12 Thread John Hughes
Is the OP expecting a perfect 50%/50% split? That, to my experience, is not going to happen, it is almost always shifted from a fraction of a percent to a couple percent. Datacenter: eu-west === Status=Up/Down |/ State=Normal/Leaving/Joining/Moving -- AddressLoad Tok

Re: Stable version apache cassandra 3.X /3.0.X

2017-06-01 Thread John Hughes
We are running 3.9x in prod, it has been pretty stable, but admittedly our footprint is pretty small(half a dozen nodes with less than hundred gigs of actual data) and not extremely tricky(no realized tables, etc). We have been running tick-tock since 3.3x and upgrading a could weeks after release

System Keyspace replication for multi DC clusters

2017-01-11 Thread John Hughes
find an authoritative document. This feels like something that should be in the FAQ, or just in a section about deploying to multi-DC. Does anyone have a link to authoritative info? Thanks in advance! John Hughes