[jira] [Updated] (CASSANDRA-14816) Add Operating System Specific Setup Documentation for Cassandra
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https://issues.apache.org/jira/browse/CASSANDRA-14816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lorina Poland updated CASSANDRA-14816:
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Component/s: Documentation
(was: Documentation/Website)
> Add Operating System Specific Setup Documentation for Cassandra
> ---
>
> Key: CASSANDRA-14816
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14816
> Project: Cassandra
> Issue Type: Improvement
> Components: Documentation
>Reporter: Joey Lynch
>Assignee: Lorina Poland
>Priority: Low
>
> There are a number of operating system tunings that can vastly improve
> Cassandra's performance on Linux in particular things like:
> # Setting {{/sys/block/${DEVICE}/queue/read_ahead_kb}} to something more
> reasonable like 32
> # Setting the qdisc on modern linux to something better like {{tc-fq}} with
> {{bbr}}
> # Setting {{nofile}} ulimits properly and {{fs.file-max}}
> # Potentially raising {{vm.max_map_count}} even higher than the default
> debian package does
> # Using raid instead of jbod
> # Mounting /tmp on a tmpfs and turning back on {{PerfDisableSharedMem}}
> And many more ... I think many of the recommendations from [Amy
> Tobey's|https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html]
> 2.1 guide may still be pretty relevant.
> Perhaps we can document some of these in the website's Operations section?
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[jira] [Updated] (CASSANDRA-14816) Add Operating System Specific Setup Documentation for Cassandra
[
https://issues.apache.org/jira/browse/CASSANDRA-14816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
C. Scott Andreas updated CASSANDRA-14816:
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Component/s: (was: Legacy/Documentation and Website)
Documentation/Website
> Add Operating System Specific Setup Documentation for Cassandra
> ---
>
> Key: CASSANDRA-14816
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14816
> Project: Cassandra
> Issue Type: Wish
> Components: Documentation/Website
>Reporter: Joseph Lynch
>Priority: Minor
>
> There are a number of operating system tunings that can vastly improve
> Cassandra's performance on Linux in particular things like:
> # Setting {{/sys/block/${DEVICE}/queue/read_ahead_kb}} to something more
> reasonable like 32
> # Setting the qdisc on modern linux to something better like {{tc-fq}} with
> {{bbr}}
> # Setting {{nofile}} ulimits properly and {{fs.file-max}}
> # Potentially raising {{vm.max_map_count}} even higher than the default
> debian package does
> # Using raid instead of jbod
> # Mounting /tmp on a tmpfs and turning back on {{PerfDisableSharedMem}}
> And many more ... I think many of the recommendations from [Amy
> Tobey's|https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html]
> 2.1 guide may still be pretty relevant.
> Perhaps we can document some of these in the website's Operations section?
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