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https://issues.apache.org/jira/browse/CASSANDRA-8411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14232818#comment-14232818
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Benedict edited comment on CASSANDRA-8411 at 12/3/14 10:45 AM:
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Looks likely to be a trivial bug when providing n=1 with all other parameters
default - since this is a stress tool, I don't think anybody has tried running
it with only 1 insert before!
If you want it to work in the meantime, try providing n=1000, say
was (Author: benedict):
Looks likely to be a trivial bug when providing n=1 with all other parameters
default - since this is a stress tool, I don't think anybody has tried running
it with only 1 insert before!
> Cassandra stress tool fails with NotStrictlyPositiveException on example
> profiles
> ---------------------------------------------------------------------------------
>
> Key: CASSANDRA-8411
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8411
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Environment: Linux Centos
> Reporter: Igor Meltser
> Priority: Trivial
>
> Trying to run stress tool with provided profile fails:
> dsc-cassandra-2.1.2/tools $ ./bin/cassandra-stress user n=1
> profile=cqlstress-example.yaml ops\(insert=1\) -node ....
> INFO 06:21:35 Using data-center name 'datacenter1' for
> DCAwareRoundRobinPolicy (if this is incorrect, please provide the correct
> datacenter name with DCAwareRoundRobinPolicy constructor)
> Connected to cluster: Benchmark Cluster
> INFO 06:21:35 New Cassandra host /....:9042 added
> Datatacenter: datacenter1; Host: /.....; Rack: rack1
> Datatacenter: datacenter1; Host: /....; Rack: rack1
> Datatacenter: datacenter1; Host: ..../....; Rack: rack1
> INFO 06:21:35 New Cassandra host ..../....:9042 added
> INFO 06:21:35 New Cassandra host /....:9042 added
> Created schema. Sleeping 3s for propagation.
> Exception in thread "main"
> org.apache.commons.math3.exception.NotStrictlyPositiveException: standard
> deviation (0)
> at
> org.apache.commons.math3.distribution.NormalDistribution.<init>(NormalDistribution.java:108)
> at
> org.apache.cassandra.stress.settings.OptionDistribution$GaussianFactory.get(OptionDistribution.java:418)
> at
> org.apache.cassandra.stress.generate.SeedManager.<init>(SeedManager.java:59)
> at
> org.apache.cassandra.stress.settings.SettingsCommandUser.getFactory(SettingsCommandUser.java:78)
> at org.apache.cassandra.stress.StressAction.run(StressAction.java:61)
> at org.apache.cassandra.stress.Stress.main(Stress.java:109)
> The tool is 2.1.2 version, but the tested Cassandra is 2.0.8 version
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