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From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (CASSANDRA-11914) Provide option for cassandra-stress to dump all settings
Date Sat, 20 Aug 2016 15:10:23 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-11914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Stupp reopened CASSANDRA-11914:
--------------------------------------

The trades workload test (e.g. {{cassandra-stress user profile=https://raw.githubusercontent.com/mambocab/cstar_perf/belliottsmith-perf-jobs/regression_suites/trades.yaml
ops\(insert=100,latest=100,range=1\) n=100M -rate threads=300 -pop seq=1..10K contents=SORTED
read-lookback=uniform\(1..10K\) -insert visits=fixed\(10K\) revisit=uniform\(1..10K\)}}) fails
with this patch with the following NPE:
{code}
...
  Generator Configs:
    millisecond: Clustering: Uniform:  min=50,max=200;
    second: Clustering: Uniform:  min=50,max=200;
  Query Definitions:
    latest: CQL:select * from trades where instrumentid = ? and day = ? ORDER BY second DESC,
millisecond DESC LIMIT 1;Fields:samerow;
    range: CQL:select * from trades where instrumentid = ? and day = ? and second > ? ORDER
BY second DESC, millisecond DESC LIMIT 100;Fields:samerow;
  Token Range Queries:
  Insert Settings:
java.lang.NullPointerException
	at org.apache.cassandra.stress.StressProfile.printSettings(StressProfile.java:116)
	at org.apache.cassandra.stress.settings.StressSettings.printSettings(StressSettings.java:383)
	at org.apache.cassandra.stress.Stress.run(Stress.java:95)
	at org.apache.cassandra.stress.Stress.main(Stress.java:62)
{code}

Can be reproduced locally by starting Cassandra from trunk locally and running the stress
profile above.

> Provide option for cassandra-stress to dump all settings
> --------------------------------------------------------
>
>                 Key: CASSANDRA-11914
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11914
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Ben Slater
>            Assignee: Ben Slater
>            Priority: Minor
>             Fix For: 3.10
>
>
> cassandra-stress has quite a lot of default settings and settings that are derived as
side effects of explicit options. For people learning the tool and saving a clear record of
what was run, I think it would be useful if there was an option to have the tool print all
its settings at the start of a run.



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