incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jonathan Ellis <jbel...@gmail.com>
Subject Re: RF=1
Date Fri, 19 Aug 2011 16:45:14 GMT
(a) this really isn't the right forum to review patches; I've pointed
out the relevant jira ticket

(b) ignoring unavailable ranges is a misfeature, imo

On Fri, Aug 19, 2011 at 8:11 AM, Patrik Modesto
<patrik.modesto@gmail.com> wrote:
> Is there really no interest in the patch?
>
> P.
>
> On Thu, Aug 18, 2011 at 08:54, Patrik Modesto <patrik.modesto@gmail.com> wrote:
>> On Wed, Aug 17, 2011 at 17:08, Jonathan Ellis <jbellis@gmail.com> wrote:
>>> See https://issues.apache.org/jira/browse/CASSANDRA-2388
>>
>> Ok, thanks for the JIRA ticker. I've found that very same problem
>> during my work on ignoring unavailabla ranges.
>>
>> But there is the another problem with Hadoop-Cassandra, if there is no
>> node available for a range of keys, it fails on RuntimeError. For
>> example having a keyspace with RF=1 and a node is down all MapReduce
>> tasks fail. I've reworked my previous patch, that was addressing this
>> issue and now there are ConfigHelper methods for enable/disable
>> ignoring unavailable ranges.
>> It's available here: http://pastebin.com/hhrr8m9P (for version 0.7.8)
>> I hope it can be applied.
>>
>> Regards,
>> Patrik
>>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

Mime
View raw message