Re: Advice for asymmetric reporting cluster architecture

Don't forget SSDs for indexing joy and a reasonable amount of cpu or those indexes will be very behind. If you size the hardware correctly and avoid very silly configuration it works really well for this sort of purpose, especially when combined with Spark to do any hardcore analysis on the

Re: How to read data from local cassandra cluster

Not a Cassandra question so this isn't the right list, but you can just upload the file to CFS and then access it by the path "cfs://filename". However, since you have DSE you may want to contact support for help with pathing in DSE using CFS and Spark. -Ryan Svihla On Fri, Oct 16, 2015 at

Re: Would we have data corruption if we bootstrapped 10 nodes at once?

ouch.. OK.. I think I really shot myself in the foot here then. This might be bad. I'm not sure if I would have missing data. I mean basically the data is on the other nodes.. but the cluster has been running with 10 nodes accidentally bootstrapped with auto_bootstrap=false. So they have new

Changing nodes ips

Hi, I want to change the ip addresses (ip v4) that nodes use to discuss (gossip). I'm trying to migrate from ipv4 to ipv6 for those communications. I tried to follow a similar procedure as the one used at CASSANDRA-8382

compact/repair shouldn't compete for normal compaction resources.

I'm doing a big nodetool repair right now and I'm pretty sure the added overhead is impacting our performance. Shouldn't you be able to throttle repair so that normal compactions can use most of the resources? -- We’re hiring if you know of any awesome Java Devops or Linux Operations

Re: Would we have data corruption if we bootstrapped 10 nodes at once?

In this can does it make sense to remove newly added nodes, correct the configuration and have them rejoin one at a time ? Thx Sent from my iPhone > On Oct 18, 2015, at 11:19 PM, Jeff Jirsa wrote: > > Take a snapshot now, before you get rid of any data (whatever

Map of UDT Using Spring Cassandra

I created a user defined type in cassandra, let's call it param that has key text, value text as its property and stats with value int, events int and users int as its property. recently i tried to insert data using spring-cassandra driver, its got me this error:

Re: Would we have data corruption if we bootstrapped 10 nodes at once?

Take a snapshot now, before you get rid of any data (whatever you do, don’t run cleanup). If you identify missing data, you can go back to those snapshots, find the nodes that had the data previously (sstable2json, for example), and either re-stream that data into the cluster with

Re: Would we have data corruption if we bootstrapped 10 nodes at once?

auto_bootstrap=false tells it to join the cluster without running bootstrap – the node assumes it has all of the necessary data, and won’t stream any missing data. This generally violates consistency guarantees, but if done on a single node, is typically correctable with `nodetool repair`. If

"invalid global counter shard detected" warning on 2.1.3 and 2.1.10

Hey all. We've been seeing this warning on one of our clusters: 2015-10-18 14:28:52,898 WARN [ValidationExecutor:14] org.apache.cassandra.db.context.CounterContext invalid global counter shard detected; (4aa69016-4cf8-4585-8f23-e59af050d174, 1, 67158) and (4aa69016-4cf8-4585-8f23-e59af050d174,