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From Abhishek <abhishek.dod...@gmail.com>
Subject Re: High availability with hive
Date Fri, 27 Jul 2012 22:58:48 GMT
Hi Edward,

Thanks for the reply, but Iam trying to install hive with hbase

Regards
Abhishek 

Sent from my iPhone

On Jul 27, 2012, at 3:15 PM, Edward Capriolo <edlinuxguru@gmail.com> wrote:

> Datastax backends the hive metastore into Cassandra making it highly
> available, an open sourced Brisk did this originally but the
> technology was not actively maintained.
> 
> Edward
> 
> On Fri, Jul 27, 2012 at 3:02 PM, Bejoy Ks <bejoy_ks@yahoo.com> wrote:
>> Hi Abshiek
>> 
>> Hadoop 2.0/CDH4 has HA on hdfs level so this HA would be available to all
>> clients of hdfs like hive. AFAIK clients don't need any particular
>> configuration for this.
>> 
>> However if your question is does hive have HA, with hadoop HA hive also has
>> HA in terms of data. However in hive the metadata is stored in metastore db
>> and the only possibility that hinders HA in hive is this db. Normally in
>> production clusters the metastore db (mysql db) is backed up frequently, but
>> that is just for a back up and recovery mechanism.
>> 
>> I don't have much knowledge of HA in mysql dbs, but If you can employ HA in
>> metastore db then you can claim full HA in hive.
>> 
>> 
>> 
>> Regards,
>> Bejoy KS
>> 
>> ________________________________
>> From: Abhishek <abhishek.dodda1@gmail.com>
>> To: Hive <user@hive.apache.org>
>> Sent: Friday, July 27, 2012 10:10 PM
>> Subject: Fwd: High availability with hive
>> 
>> 
>>> 
>>> Hi all,
>>> 
>>> I am trying to install CDH4, I have a doubt can hive manage HIGH
>>> AVALIABILITY?
>>> 
>>> Regards
>>> abhishek
>> 
>> 

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