I believe we added support for specifying a column range to the cli recently. I don't know if there is a default limit.
On Tue, Mar 27, 2012 at 8:40 PM, Brian O'Neill <b...@alumni.brown.edu> wrote: > Today, running 1.0.7, we saw a node crash with an OutOfMemory. > We have a single row with ~10million columns in it. (using it as an index) > Accidentally, we attempted to list the CF in CLI that had the wide-row. > This caused the CLI to hang and then eventually crashed Cassandra with an > OoM. > > I know this is a case of "If it hurts when you do that, don't do that", but > we may want to better protect against it in the CLI and/or the DB. I know > we limit row counts on lists in CLI. Do we also limit column counts? If > not, I don't mind submitting a patch for this. > > let me know, > brian > > -- > Brian ONeill > Lead Architect, Health Market Science (http://healthmarketscience.com) > mobile:215.588.6024 > blog: http://weblogs.java.net/blog/boneill42/ > blog: http://brianoneill.blogspot.com/ -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
