RE: Cassandra seems to replace existing node without specifying replace_address

auto_bootstrap is true (we don’t set it explicitly and that’s the default). We’re using vnodes and initial_token is explicitly set to null. Thomas From: Robert Coli [mailto:rc...@eventbrite.com] Sent: 28 May 2015 19:07 To: user@cassandra.apache.org Subject: Re: Cassandra seems to replace existi

Re: EC2snitch in AWS

Thanks Everyone. I will go through all the links and suggestions and ask here if I have further questions. Regards, Kaushal On 27 May 2015 22:44, "Ali Akhtar" wrote: > What details specifically do you mean? I wrote this bash script which is > what I've been using for installing cassandra 2.0.xx

Stream session's index build waiting to be scheduled

Hi, Currently both secondary index build and compactions are run by compaction manager within the same thread pool (C* 2.0.x). I'm currently experiencing a situation where repair's stream sessions get stuck waiting because they don't get scheduled to build secondary indexes (and finalise the strea

Re: EC2snitch in AWS

By the way, if you need multiple DC on the same region, see dc-suffix in cassandra-rackdc.properties. C*heers, Alain 2015-05-29 11:34 GMT+02:00 Kaushal Shriyan : > Thanks Everyone. I will go through all the links and suggestions and ask > here if I have further questions. > > Regards, > > Kaush

RE: Spark SQL JDBC Server + DSE

Brian, I implemented a similar REST server last year and it works great. Now we have a requirement to support JDBC connectivity in addition to the REST API. We want to allow users to use tools like Tableau to connect to C* through the Spark SQL JDBC/Thift server. Mohammed From: Brian O'Neill [

Coordination of expired TTLs compared to tombstones

I was wondering something about Cassandra’s internals. Suppose I have CL > 1 and I read a partition with a bunch of tombstones. Those tombstones have to be sent to the coordinator for consistency reasons so that if another replica produces non-tombstone data that is older than the tombstone, it

Re: Coordination of expired TTLs compared to tombstones

On Fri, May 29, 2015 at 1:31 PM, Robert Wille wrote: > > I was wondering how that compares to cells with expired TTLs. Does the > node get to skip sending data back to the coordinator for an expired TTL? No, it has to send expired cells. > > Suppose you wrote a cell with no TTL, and then upda

Hbase vs Cassandra

Hi, I need some info on Hbase vs Cassandra as a data store (in general plus specific to time series data). The comparison in the following helps: 1: features 2: deployment and monitoring 3: performance 4: anything else Thanks Ajay

Re: Hbase vs Cassandra

>From 2013 both can still be relevant: http://www.pythian.com/blog/watch-hbase-vs-cassandra/ Regards, Carlos Juzarte Rolo Cassandra Consultant Pythian - Love your data rolo@pythian | Twitter: cjrolo | Linkedin: *linkedin.com/in/carlosjuzarterolo * Mobi

Re: what this error mean

seems the issue can clause brain split -- Ranger Tsao 2015-05-29 14:57 GMT+08:00 Jason Wee : > why it happened? from the code, it looks like this condition is not null > https://github.com/apache/cassandra/blob/cassandra-2.1.3/src/java/org/apache/cassandra/io