RE: Inserting null values

2015-05-06 Thread Peer, Oded
I’ve added an option to prevent tombstone creation when using PreparedStatements to trunk, see CASSANDRA-7304. The problem is having tombstones in regular columns. When you perform a read request (range query or by PK): - Cassandra iterates over all the cells (all, not only the cells specified in

Re: Inserting null values

2015-05-06 Thread Eric Stevens
I agree that inserting null is not as good as not inserting that column at all when you have confidence that you are not shadowing any underlying data. But pragmatically speaking it really doesn't sound like a small number of incidental nulls/tombstones (< 20% of columns, otherwise CASSANDRA-3442 t

Re: Unable to connect via cqlsh or datastax-driver

2015-05-06 Thread Björn Hachmann
Hi, as it turned out, the problem was that our secondary DC was indeed overloaded and therefore dropped read requests which where executed during connection establishment. The cause of this overload might be interesting: Actually we ran reversed values for dclocal_read_repair_chance and read_repa