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From aaron morton <aa...@thelastpickle.com>
Subject Re: cassandra server disk full
Date Mon, 25 Jul 2011 22:24:55 GMT
If the commit log or data disk is full it's not possible for the server to process any writes,
the best it could do is perform reads. But reads may result in a write due to read repair
and will also need to do some app logging, so IMHO it's really down / dead. 

You should free space and restart the cassandra service. Restarting a cassandra service should
be something your installation can handle. 

Is there something else I'm missing here ? 

Cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 25 Jul 2011, at 20:06, Donna Li wrote:

> 
> All:
> 	Could anyone help me?
> 
> 
> Best Regards
> Donna li
> 
> -----邮件原件-----
> 发件人: Donna Li [mailto:donna.li@utstar.com] 
> 发送时间: 2011年7月22日 11:23
> 收件人: user@cassandra.apache.org
> 主题: cassandra server disk full
> 
> 
> All:
> 
> Is there an easy way to fix the bug by change server's code?
> 
> 
> Best Regards
> Donna li
> 
> -----邮件原件-----
> 发件人: Donna Li [mailto:donna.li@utstar.com] 
> 发送时间: 2011年7月8日 11:29
> 收件人: user@cassandra.apache.org
> 主题: cassandra server disk full
> 
> 
> Does CASSANDRA-809 resolved or any other path can resolve the problem? Is there any way
to avoid reboot the cassandra server?
> Thanks!
> 
> Best Regards
> Donna li
> 
> -----邮件原件-----
> 发件人: Jonathan Ellis [mailto:jbellis@gmail.com] 
> 发送时间: 2011年7月8日 11:03
> 收件人: user@cassandra.apache.org
> 主题: Re: cassandra server disk full
> 
> Yeah, ideally it should probably die or drop into read-only mode if it
> runs out of space.
> (https://issues.apache.org/jira/browse/CASSANDRA-809)
> 
> Unfortunately dealing with disk-full conditions tends to be a low
> priority for many people because it's relatively easy to avoid with
> decent monitoring, but if it's critical for you, we'd welcome the
> assistance.
> 
> On Thu, Jul 7, 2011 at 8:34 PM, Donna Li <donna.li@utstar.com> wrote:
>> All:
>> 
>> When one of the cassandra servers disk full, the cluster can not work
>> normally, even I make space. I must reboot the server that disk full, the
>> cluster can work normally.
>> 
>> 
>> 
>> Best Regards
>> 
>> Donna li
> 
> 
> 
> -- 
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of DataStax, the source for professional Cassandra support
> http://www.datastax.com


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