Re: memtable and sstables

This documentation from Datastax may be helpful to understand the purpose of memtables and sstables. http://docs.datastax.com/en/cassandra/2.0/cassandra/dml/dml_write_path_c.html Ray On Sat, Sep 5, 2015 at 10:36 AM Anuj Wadehra wrote: > Memtables are for storing writes

Re: help on backup muiltinode cluster

I have not use tablesnap but it appears that it does not necessarily depend upon taking a cassandra snapshot. The example given in their documentation shows the source folder as /var/lib/cassandra/data/GiantKeyspace, which is the root of the GiantKeyspace keyspace. But, snapshots operate at the

Re: Backup strategy

I don't understand how the creation of a snapshot causes any load whatsoever. By definition, a snapshot is a hard link of an existing SSTable. The SSTable is not being physically copied so there is no disk I/O, it's just a reference to an inode. -- Ray //o-o\\ On Tue, Nov 5, 2013 at 8:09 PM,

Re: How to generate tokens for my two node Cassandra cluster?

Your quotes need to be escaped: python -c num=2; print \\n\.join([(\token %d: %d\ %(i,(i*(2**127)/num))) for i in range(0,num)]) -- Ray //o-o\\ On Fri, Nov 1, 2013 at 10:36 AM, Peter Sanford psanf...@nearbuysystems.comwrote: I can't tell you why that one-liner isn't working, but you can