Re: Solr Master-Slave fail-over across multiple data-centers

2014-06-13 Thread Arcadius Ahouansou
Hello Daniel. Consistency is the main reason for initially pointing all slaves to SolrMaster-A. This gives us the confidence that the very same index version is being served everywhere... Thank you very much for the input. Arcadius. On 13 June 2014 10:56, Daniel Collins wrote: > Why do you n

Re: Solr Master-Slave fail-over across multiple data-centers

2014-06-13 Thread Daniel Collins
Why do you need to swap the replicas from one master to another? If you have a cross DC database that ensures both Masters are in sync, why not just tie SolrSlave-B1 and SolrSlave-B2 to SolrMaster-B at all times? Then you don't have any fail-over to do at all? We have multiple DCs and a similar

Solr Master-Slave fail-over across multiple data-centers

2014-06-12 Thread Arcadius Ahouansou
Hello. - We currently have solr 4 in master-slave mode across 2 DataCenters. - We are planning to run the system in active-active mode, meaning that search requests will go to Solr Slaves in both DC-A and DC-B. - We have a highly available and cross DC database that feeds the SolrMaster in both