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From "Ariel Weisberg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-9683) Get mucher higher load and latencies after upgrading from 2.1.6 to cassandra 2.1.7
Date Mon, 23 Nov 2015 20:29:11 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-9683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ariel Weisberg updated CASSANDRA-9683:
--------------------------------------
    Component/s: Local Write-Read Paths
                 Compaction

> 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
>          Components: Compaction, Local Write-Read Paths
>         Environment: Ubuntu 12.04 (3.13 Kernel) * 3
> JDK: Oracle JDK 7
> RAM: 32GB
> Cores 4 (+4 HT)
>            Reporter: Loic Lambiel
>            Assignee: Ariel Weisberg
>             Fix For: 2.1.9
>
>         Attachments: cassandra-env.sh, cassandra.yaml, cfstats.txt, os_load.png, pending_compactions.png,
read_latency.png, schema.txt, 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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