Re: Apache Cassandra's license terms

Cassandra is under the Apache license ( https://www.apache.org/licenses/LICENSE-2.0). IANAL, but I don't believe you are required contribute your changes. Of course, that's always appreciated by the community :) https://tldrlegal.com/license/apache-license-2.0-(apache-2.0) -- Michael Mior

Re: Question about SELECT command

Yes, they could. Carlos Alonso | Software Engineer | @calonso On 17 March 2016 at 16:10, Thouraya TH wrote: > Hi all; > > Please, i have a question about the architecure behind SELECT command. > Given this table: > > c1 c2 c3 >

Re: What does FileCacheService's log message (invalidating cache) mean?

> > Does this mean RAR(s) must be created and added to the cache > (FileCacheService) whenever a SSTable is opened even if in case of > compaction? I think random access read doesn't need to read the data from a > SSTable in case of compaction because the SSTable had sorted by their keys, > then

Re: What does FileCacheService's log message (invalidating cache) mean?

Hi, Stefania Thank you for your advice, again!! Could I ask you for another question? > Each sstable has one or more random access readers (one per segment for example) and FileCacheService is a cache for such readers Does this mean RAR(s) must be created and added to the cache

Re: Parallel bootstraps in two DCs with NetworkTopologyStrategy

This should work indeed. Anyway, you can always try, I believe when you can't add a node, Cassandra will throw an error. You can then do some cleaning, remove the joining node from the ring if it is still there after the failure and clear data "rm -rf /path/to/cassandra/*" on the joining node

Re: cqlsh problem

protocols are all active, like this: Gossip active : true Thrift active : true Native Transport active: true I used all kinds of address: hostname, localhost, 0.0.0.0, 127.0.0.1, localip, publicip, doesn't work most times. But some time it just work fine 2016-03-17 22:28

Re: Question about SELECT command

Yes, i have tested that, but, i'd like to understand the architecture behind the command SELECT how it works ? it use gossip protocol to get live nodes ? Thank you for explanations. Kind regards. 2016-03-17 17:17 GMT+01:00 Carlos Alonso : > Yes, they could. > > Carlos

Re: Multi DC setup for analytics

When you say you have two logical DC both with the same name are you saying that you have two clusters of servers both with the same DC name, nether of which currently talk to each other? IE they are two separate rings? Or do you mean that you have two keyspaces in one cluster? Or? Clint On Mar