Re: Historical data movement to other cluster

Hi, If you have that data in different tables, then it’s relatively straight forward operations of loading only certain tables with sstableloader. If not, then you could use spark to read and filter data from one cluster and store that into another cluster. Hannu On 13 September 2017 at 08:59:1

Re: Rebalance a cassandra cluster

Hi, you should make sure that token range is evenly distributed if you have a single token configured per node. You can use e.g. this tool to calculate tokens: https://www.geroba.com/cassandra/cassandra-token-calculator/ Also, make sure that none of the partitions in your data model are hotspots

RE: Rebalance a cassandra cluster

Check with nodetool repair. [http://wwwin.cisco.com/c/dam/cec/organizations/gmcc/services-tools/signaturetool/images/logo/logo_gradient.png] Harika Vangapelli Engineer - IT hvang...@cisco.com Tel: Cisco Systems, Inc. United States cisco.com [http://www.cisco.com

Historical data movement to other cluster

Is there a way to move past 3 months data from one cassandra cluster to other cluster? Thanks, Harika [http://wwwin.cisco.com/c/dam/cec/organizations/gmcc/services-tools/signaturetool/images/logo/logo_gradient.png] Harika Vangapelli Engineer - IT hvang...@cisco.com T

Rebalance a cassandra cluster

Hi, Can a cassandra cluster be unbalanced in terms of data? If yes then how to rebalance a cassandra cluster.

RE: Cassandra downgrade of 2.1.15 to 2.1.12

Great information. Thank you Mark 801-705-7115 office -Original Message- From: Michael Shuler [mailto:mshu...@pbandjelly.org] On Behalf Of Michael Shuler Sent: Monday, September 11, 2017 5:54 PM To: user@cassandra.apache.org Subject: Re: Cassandra downgrade of 2.1.15 to 2.1.12 On 09/11/

Re: Cassandra compatibility matrix

Hi Dmitry, We are currently working on updating our matrices for the drivers, but any version of driver 3.0+ will work with cassandra 3.X. Thanks, Andy On Tue, Sep 12, 2017 at 12:30 PM Dmitry Buzolin wrote: > Thank you Jon. > > Is there way to find what Datastax driver is compatible with Cassa

Re: Cassandra compatibility matrix

Thank you Jon. Is there way to find what Datastax driver is compatible with Cassandra 3.11? http://docs.datastax.com/en/developer/driver-matrix/doc/javaDrivers.html#java-drivers For some reason they don’t pri

Can't access Cassandra on remote node

Hi, I’m using cassandra on a remote node I can access just with console. Since the node has a private ip, the cluster manager set a proxy to access private_ip:9042 in order to allow me to execute query against the db, so I have a public ip:port. Unfortunately I’m not able to execute query and I’

Re: Do not use Cassandra 3.11.0+ or Cassandra 3.0.12+

On the user side: 3.11.0 or 3.0.14 is probably what you want to use for new clusters as long as you can avoid calling the getTombstoneRatio() mbean with your metrics gathering tools. On Tue, Sep 12, 2017 at 8:35 AM, Sandeep S wrote: > Hi, > > What is the current stable version? > > Sandeep. >

Re: load distribution that I can't explain

Hi kurt, thanks for responding. I understand that that query is very resource consuming. My question was why I only see its effect on the same node? considering that I have a replication factor of 2, I was hoping to see this load evenly distributed among those 2 nodes. That query runs hundreds

Re: Do not use Cassandra 3.11.0+ or Cassandra 3.0.12+

Last Ive seen of it OpsCenter does not collect this metric. I don't think any monitoring tools do. Chris > On Sep 11, 2017, at 4:06 PM, CPC wrote: > > Hi, > > Is this bug fixed in dse 5.1.3? As I understand calling jmx getTombStoneRatio > trigers that bug. We are using opscenter as well and d

RE: Can I have multiple datacenter with different versions of Cassandra

No – the general answer is that you cannot stream between major versions of Cassandra. I would upgrade the existing ring, then add the new DC. Sean Durity From: Chuck Reynolds [mailto:creyno...@ancestry.com] Sent: Thursday, May 18, 2017 11:20 AM To: user@cassandra.apache.org Subject: Can I have

RE: Reg:- DSE 5.1.0 Issue

In an attempt to help close the loop for future readers… I don’t think an upgrade from DSE 4.8 straight to 5.1 is supported. I think you have to go through 5.0.x first. And, yes, you should contact DataStax support for help, but I’m ok with DSE-related questions. They may be more Cassandra-rela

RE: AWS Cassandra backup/Restore tools

Datos IO has a backup/restore product for Cassandra that another team here has used successfully. It solves many of the problems inherent with sstable captures. Without something like it, restores are a nightmare with any volume of data. The downtime required and the loss of data since the snaps

Re: Cassandra 3.11 is compacting forever

A maybe long shot, have you deleted the cassandra-topology.properties file since you are using GossipingPropertyFileSnitch? I am sure I have seen a ticket about problems caused in some cases if that file stays around. I removed it from all the nodes and non-stop compaction stopped (after a proper r