Running out of disk at bootstrap in low-disk situation

2014-09-20 Thread Erik Forsberg
Hi! We have unfortunately managed to put ourselves in a situation where we are really close to full disks on our existing 27 nodes. We are now trying to add 15 more nodes, but running into problems with out of disk space on the new nodes while joining. We're using vnodes, on Cassandra 1.2.18 (ye

Restart joining node

2014-09-20 Thread Erik Forsberg
Hi! On the same subject as before - due to full disk during bootstrap, my joining nodes are stuck. What's the correct procedure here, will a plain restart of the node do the right thing, i.e. continue where bootstrap stopped, or is it better to clean the data directories before new start of daemon

Re: Restart joining node

2014-09-20 Thread Andy Losey
You'll want to remove any contents from your data and shared directories and attempt the join from scratch. Though it never completed the bootstrap, make sure your other nodes agree that the node that failed to join is not present in the output of nodetool status. Once started, the node should s

Re: Help with approach to remove RDBMS schema from code to move to C*?

2014-09-20 Thread Brice Dutheil
I’m fairly new to cassandra, but here’s my input. Think of your column families as a projection of how the application needs them. Thinking with CQRS in mind helps. So with more CFs that may require more space, as data may be written differently in different column families for different usage. Fo

[ANNOUNCE] Apache Gora 0.5 Release

2014-09-20 Thread lewis john mcgibbney
Hi Folks, Apologies for cross posting. The Apache Gora team are pleased to announce the immediate availability of Apache Gora 0.5. The Apache Gora open source framework provides an in-memory data model and persistence for big data. Gora supports persisting to column stores, key value stores, docum

How to map a set field?

2014-09-20 Thread Carlos Scheidecker
Hello all, I have the following table: CREATE TABLE userprincipal ( userid timeuuid, username varchar, hashedpassword blob, authorities set, accountnonexpired boolean, accountnonlocked boolean, credentialsnonexpired boolean, enabled boolean, PRIMARY KEY(username) ); Now, I have

Re: How to map a set field?

2014-09-20 Thread Carlos Scheidecker
Forget about it. Solved. One of those stupid mistakes: It was a case problem, all I had to do was to change the private Set sAuthorities to private Set sauthorities and then update the proper setter and getter. I have tried the caseSensitive=false on the annotation before to no effect, which is w