[ https://issues.apache.org/jira/browse/CASSANDRA-9522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Shuler reopened CASSANDRA-9522: --------------------------------------- Looks like stress broke - dev branch build and trunk show: {noformat} 20:43:44 Exception in thread "main" java.lang.NullPointerException 20:43:44 at org.apache.cassandra.stress.operations.predefined.PredefinedOperation.<init>(PredefinedOperation.java:43) {noformat} http://cassci.datastax.com/view/Dev/view/tjake/job/tjake-stress-9522-dtest/1/console http://cassci.datastax.com/job/trunk_dtest/304/console > Specify unset column ratios in cassandra-stress write > ----------------------------------------------------- > > Key: CASSANDRA-9522 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9522 > Project: Cassandra > Issue Type: Improvement > Components: Tools > Reporter: Jim Witschey > Assignee: T Jake Luciani > Fix For: 3.0 beta 1 > > > I'd like to be able to use stress to generate workloads with different > distributions of unset columns -- so, for instance, you could specify that > rows will have 70% unset columns, and on average, a 100-column row would > contain only 30 values. > This would help us test the new row formats introduced in 8099. There are a 2 > different row formats, used depending on the ratio of set to unset columns, > and this feature would let us generate workloads that would be stored in each > of those formats. -- This message was sent by Atlassian JIRA (v6.3.4#6332)