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From "Loic Lambiel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-9683) Get mucher higher load and latencies after upgrading from 2.1.6 to cassandra 2.1.7
Date Tue, 30 Jun 2015 09:21:04 GMT
Loic Lambiel created CASSANDRA-9683:
---------------------------------------

             Summary: Get mucher higher load and latencies after upgrading from 2.1.6 to cassandra
2.1.7
                 Key: CASSANDRA-9683
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9683
             Project: Cassandra
          Issue Type: Bug
         Environment: Ubuntu 12.04 (3.13 Kernel) * 3
JDK: Oracle JDK 7
RAM: 32GB
Cores 4 (+4 HT)

            Reporter: Loic Lambiel
            Priority: Critical
         Attachments: os_load.png, pending_compactions.png, read_latency.png, system.log,
write_latency.png

After upgrading our cassandra staging cluster version from 2.1.6 to 2.1.7, the average load
grows from 0.1-0.3 to 1.8.

Latencies did increase as well.

We see an increase of pending compactions, probably due to CASSANDRA-9592.

This cluster has almost no workload (staging environment)



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