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From "AMIT KUMAR (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7838) Warn user when disks are network/ebs mounted
Date Mon, 29 Sep 2014 15:53:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14151831#comment-14151831
] 

AMIT KUMAR commented on CASSANDRA-7838:
---------------------------------------

Sorry for the swap disable snafu -I made the fix and the changed the log statements

Attached are the patches from the trunk.

-I am a little hesitant in saying OK in the happy path scenario, because we have not checked
everything that could lead to bad performance of Cassandra  due to sysctl and hardware issues
and saying OK might give a false sense of security.

Let me know if you see any other issues -thanks for your help.

> Warn user when disks are network/ebs mounted
> --------------------------------------------
>
>                 Key: CASSANDRA-7838
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7838
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: T Jake Luciani
>            Priority: Minor
>              Labels: bootcamp, lhf
>             Fix For: 3.0
>
>         Attachments: 0001-CASSANDRA-7838-log-warning-for-networked-drives.patch, 0002-added-missing-winnt-native.patch,
0003-CASSANDRA-7838-WIP-adding-a-few-other-checks.patch, 0004-CASSANDRA-7838-Removed-network-check-and-read-latenc.patch
>
>
> The Sigar project let's you probe os/cpu/filesystems across the major platforms.
> https://github.com/hyperic/sigar
> It would be nice on start-up to use this to warn users if they are running with settings
that will make them sad, like Network drive or EBS on Ec2.



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