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Posted to commits@cassandra.apache.org by "dan jatnieks (JIRA)" <ji...@apache.org> on 2014/02/28 00:24:20 UTC
[jira] [Comment Edited] (CASSANDRA-6777) 2.1 w/java-driver 2.0 and
stress write using thrift results in ArithmeticException / by zero errors
[ https://issues.apache.org/jira/browse/CASSANDRA-6777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915193#comment-13915193 ]
dan jatnieks edited comment on CASSANDRA-6777 at 2/27/14 11:24 PM:
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Attaching patch that should work with released version of java-driver 2.0.
Note: this also fixes a minor issue with using the {{\-schema ks=}} option.
was (Author: djatnieks):
Attaching patch that should work with released version of java-driver 2.0.
> 2.1 w/java-driver 2.0 and stress write using thrift results in ArithmeticException / by zero errors
> ---------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-6777
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6777
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Environment: Mac OSX, java 1.7.0_51
> Reporter: dan jatnieks
> Priority: Minor
> Labels: stress
> Attachments: Quote_keyspace_name.patch, logs.tar.gz
>
>
> Running stress write (thrift) on 2.1 branch is resulting in the following.
> Note: this is after working around [JAVA-276|https://datastax-oss.atlassian.net/browse/JAVA-276] causing stress to fail to connect to 2.1.
> {noformat}
> $ ./tools/bin/cassandra-stress write n=5000000
> Unable to create stress keyspace: Keyspace names must be case-insensitively unique ("Keyspace1" conflicts with "Keyspace1")
> Warming up WRITE with 50000 iterations...
> Connected to cluster: Test Cluster
> Datatacenter: datacenter1; Host: localhost/127.0.0.1; Rack: rack1
> java.lang.ArithmeticException: / by zero
> java.lang.ArithmeticException: / by zero
> java.lang.ArithmeticException: / by zero
> java.lang.ArithmeticException: / by zero
> ...
> java.lang.Arithmjava.io.IOException: Operation [220] x10 key 00000000DD Error executing: (ArithmeticException): / by zero
> eticException: / by zero
> java.lang.ArithmeticException: / by zero
> at org.apache.cassandra.stress.Operation.error(Operation.java:237)
> java.lang.ArithmeticException: / by zero at org.apache.cassandra.stress.Operation.timeWithRetry(Operation.java:216)
> at org.apache.cassandra.stress.operations.ThriftInserter.run(ThriftInserter.java:72)
> at org.apache.cassandra.stress.StressAction$Consumer.run(StressAction.java:302)java.lang.ArithmeticException: / by zero
> java.lang.ArithmeticException: / by zero
> java.io.IOException: Operation [200] x10 key 00000000C9 Error executing: (ArithmeticException): / by zero
> at org.apache.cassandra.stress.Operation.error(Operation.java:237)
> java.lang.ArithmeticException: / by zero at org.apache.cassandra.stress.Operation.timeWithRetry(Operation.java:216)
> java.lang.ArithmeticException: / by zero at org.apache.cassandra.stress.operations.ThriftInserter.run(ThriftInserter.java:72)
> at org.apache.cassandra.stress.StressAction$Consumer.run(StressAction.java:302)
> ...
> {noformat}
> Seems to be just a thrift issue, as running stress write using the native protocol works:
> {noformat}
> $ ./tools/bin/cassandra-stress write n=5000000 -mode native cql3
> Unable to create stress keyspace: Keyspace names must be case-insensitively unique ("Keyspace1" conflicts with "Keyspace1")
> Warming up WRITE with 50000 iterations...
> Connected to cluster: Test Cluster
> Datatacenter: datacenter1; Host: localhost/127.0.0.1; Rack: rack1
> Sleeping 2s...
> Running WRITE with 50 threads for 5000000 iterations
> ops , op/s,adj op/s, key/s, mean, med, .95, .99, .999, max, time, stderr
> 29342 , 29340, 30903, 29340, 1.7, 1.4, 3.1, 5.7, 51.5, 54.4, 1.0, 0.00000
> 56353 , 26968, 28523, 26968, 1.8, 1.5, 3.6, 7.0, 56.5, 57.2, 2.0, 0.00000
> ...
> 5000000 , 29358, 29358, 29358, 1.7, 1.3, 3.6, 8.4, 10.1, 11.6, 168.8, 0.00828
> Results:
> real op rate : 29620
> adjusted op rate : 29629
> adjusted op rate stderr : 0
> key rate : 29620
> latency mean : 1.7
> latency median : 1.4
> latency 95th percentile : 3.0
> latency 99th percentile : 5.4
> latency 99.9th percentile : 56.5
> latency max : 305.7
> Total operation time : 00:02:48
> END
> {noformat}
> Attaching stress write and system logs as well.
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