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https://issues.apache.org/jira/browse/CASSANDRA-9607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14598061#comment-14598061
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Tyler Hobbs commented on CASSANDRA-9607:
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[~study] what sort of queries do you perform on the {{ginger.supply_ad_log}}
table? Just looking at the heap dump, it looks like you're doing something
like {{SELECT * FROM ginger.supply_ad_log}} without paging and with no limit on
the query. The results for just one small token range include 150,000+ cells.
> Get high load after upgrading from 2.1.3 to cassandra 2.1.6
> -----------------------------------------------------------
>
> Key: CASSANDRA-9607
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9607
> Project: Cassandra
> Issue Type: Bug
> Environment: OS:
> CentOS 6 * 4
> Ubuntu 14.04 * 2
> JDK: Oracle JDK 7, Oracle JDK 8
> VM: Azure VM Standard A3 * 6
> RAM: 7 GB
> Cores: 4
> Reporter: Study Hsueh
> Assignee: Tyler Hobbs
> Priority: Critical
> Fix For: 2.1.x, 2.2.x
>
> Attachments: GC_state.png, cassandra.yaml, client_blocked_thread.png,
> cpu_profile.png, dump.tdump, load.png, log.zip, schema.zip, vm_monitor.png
>
>
> After upgrading cassandra version from 2.1.3 to 2.1.6, the average load of my
> cassandra cluster grows from 0.x~1.x to 3.x~6.x.
> What kind of additional information should I provide for this problem?
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