Re: Nodetool snapshot

2019-09-19 Thread guo Maxwell
yes you need to restore snapshot of the node’s own snapshot for every node Abdul Patel 于2019年9月20日 周五上午2:08写道: > Thanks , i guess i have both. > So can we have either or? > If i keep auto_snapshot? Can i remove nodetool snapshot? > Woest case scenario if i wish to restore snapshot which one will

Re: Nodetool snapshot

2019-09-19 Thread Abdul Patel
Thanks , i guess i have both. So can we have either or? If i keep auto_snapshot? Can i remove nodetool snapshot? Woest case scenario if i wish to restore snapshot which one will be best option? Also if we restore snapshot do we need to have snapshot on all nodes? On Thursday, September 19, 2019,

Re: Nodetool snapshot

2019-09-19 Thread Jeff Jirsa
You probably have auto_snapshot enabled, which takes snapshots when you do certain things. You can disable that if you dont need it, but it protects you against things like accidentally dropping / truncating a table. You may also be doing snapshots manually - if you do this, you can 'nodetool

Nodetool snapshot

2019-09-19 Thread Abdul Patel
Hey All, I found recentmy that the nodetool snapshot golder is creating almost 120GB of filea when my actual keyspace folder has 20GB only. Do we need to change any paramater to avoid this? Is this normal? I have 3.11.4 version

Re: Does cassandra serve reads during decommission process?

2019-09-19 Thread Jeff Jirsa
You can run removenode instead of decommission while it's down to avoid it being online / serving reads at all. You can also start cassandra with ` start_native_transport : false ` to deter clients from connecting directly to it, though to be fair, that doesnt eliminate the possibility that it's

Does cassandra serve reads during decommission process?

2019-09-19 Thread Krishna PMV
Hi, I ran into a situation where a newly bootstrapped node in the cluster has crashed (due to known issue) immediately after the bootstrap process and it remained dead for about 8 hours. Since the node is down for about 8 hours, its missing some data after I start cassandra. My application with

Re: Cassandra Counters

2019-09-19 Thread Federico Razzoli
Hi Tarun, That documentation page is a bit ambiguous. My understanding of it is that: * Cassandra guarantees that counters are updated consistently across the cluster by doing background reads, that don't affect write latency. * If you use a consistency level stricter than ONE, the same read is