incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Paul Brown <paulrbr...@gmail.com>
Subject Re: cassandra instability
Date Fri, 16 Apr 2010 17:58:43 GMT

On Apr 16, 2010, at 10:50 AM, Lee Parker wrote:
> [...]
> I am trying to migrate data from mysql into the cluster using the following methodology:
> 1. get 500 rows (12 columns each) from mysql
> 2. build a batch_mutate to insert these rows into one CF (1 row = 1 row )
> 3. build a second batch_mutate to insert an index of those rows into a second CF ( 1
row = 1 column )
> 4. loop around and do it again until all data has migrated.

If you have row caching turned on and are putting a lot of data in each row, you might be
causing the memory issues.  Maybe turn row caching off?

-- Paul


Mime
View raw message