Great! Created https://issues.apache.org/jira/browse/CASSANDRA-1017 to track this.
On Fri, Apr 23, 2010 at 4:12 AM, Johan Oskarsson <jo...@oskarsson.nu> wrote: > I have written some code to avoid thrift reconnection, it just keeps the > connection open between get_range_slices calls. > I can extract that and put it up but not until early next week. > > /Johan > > On 23 apr 2010, at 05.09, Jonathan Ellis wrote: > >> That would be an easy win, sure. >> >> On Thu, Apr 22, 2010 at 9:27 PM, Joost Ouwerkerk <jo...@openplaces.org> >> wrote: >>> I was getting client timeouts in ColumnFamilyRecordReader.maybeInit() when >>> MapReducing. So I've reduced the Range Batch Size to 256 (from 4096) and >>> this seems to have fixed my problem, although it has slowed things down a >>> bit -- presumably because there are 16x more calls to get_range_slices. >>> While I was in that code I noticed that a new client was being created for >>> each batch get. By decreasing the batch size, I've increased this >>> overhead. I'm thinking of re-writing ColumnFamilyRecordReader to do some >>> connection pooling. Anyone have any thoughts on that? >>> joost. >>> > >
