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

2016-03-16 Thread satoshi hikida
Hi, I have been working on some experiments for Cassandra and found some log messages as follows in debug.log. I am not sure what it exactly is, so I would appreciate if someone gives me some explanations about it. In my verification, a Cassandra node runs as a stand-alone server on Amazon EC2 in

Re: Which version of Cassandra 3.x is production ready.

2016-03-16 Thread Bhuvan Rawal
This has been discussed in the past : https://www.mail-archive.com/user@cassandra.apache.org/msg45990.html This link should be useful for your case: https://www.eventbrite.com/engineering/what-version-of-cassandra -should-i-run/ 3.0.4 comes with a ton of features from 2.1.x which is considered t

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

2016-03-16 Thread Stefania Alborghetti
Each sstable has one or more random access readers (one per segment for example) and FileCacheService is a cache for such readers. When an sstable is closed, the cache is invalidated. If no single reader of an sstable is used for at least 512 milliseconds, all readers are evicted. If the sstable is

Re:

2016-03-16 Thread Rami Badran
Hi thanks everybody for help,here is the solution CREATE TYPE login ( emails set, ); CREATE TABLE test ( uid TEXT, loginIds map>, primary key (uid) ); insert into test (uid,loginIds) values ('111',{' virified':{emails:{'f...@baggins.com','bagg...@gmail.com'}}}) ; On Tue, Mar 15, 2016 at 4:3