Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Zookeeper, mail # user - question on data expiry


Copy link to this message
-
Re: question on data expiry
Raúl Gutiérrez Segalés 2013-07-09, 17:21
Hi,

On 5 July 2013 06:36, H  A  B  E  E B <[EMAIL PROTECTED]> wrote:
> (I could not find an answer anywhere hence looking for help here)
>
> This is a multi region setup, where leader/follower is one region and
> observers in another 2 regions.
>
> We recently had an issue with the inter region connectivity where the
> observers were not able to contact the leader.
> At the same time we happened to notice that new connection to 'zookeeper
> observer' started failing and we logged in to the zkCli.sh and did ls /
> there was no data.
>
> Is this expected? Is there anyway we can control the expiry?
>
> Once the inter region connectivity was restored, the 'zookeeper observer'
> picked up the latest snapshot from the leader.
>
> Is there any best practices which could withstand a WAN failure?
>

I am guessing this would help:

https://issues.apache.org/jira/browse/ZOOKEEPER-1607

cheers,
-rgs