Solr SQL: standalone mode

2017-09-24 Thread Pavel Micka
Hi, I read in the documentation that executing Solr SQL is possible only in SolrCloud mode. The thing is that we have unfortunatelly some installations, which simply can't have multiple nodes (too small instances). Is it somehow possible to workaround this restriction or is there at least any

RE: Solr SQL: standalone mode

2017-09-25 Thread Pavel Micka
L that works in non-Solr Cloud mode. The plan is to contribute this back to 7x branch. There will also be improvements to the SQL coverage committed back from Alfresco. Joel Bernstein http://joelsolr.blogspot.com/ On Sun, Sep 24, 2017 at 6:04 PM, Pavel Micka wrote: > Hi, > > >

Solr memory reqs for time-sorted data

2018-09-07 Thread Pavel Micka
Hi, I found on wiki (https://wiki.apache.org/solr/SolrPerformanceProblems#RAM) that optimal amount of RAM for SOLR is equal to index size. This is lets say the ideal case to have everything in memory. We plan to have small installation with 2 nodes and 8shards. We'll have inside the cluster 10

Solr Cloud in AWS

2018-11-29 Thread Pavel Micka
Hi, Is there any well established vendor offering Solr Cloud as a service in different AWS regions? Or what is the easiest way to get Solr Cloud running in AWS? We already have K8s with Helm, but unfortunately it seems that there is no Helm Chart available... Thanks, Pavel

Solr Cloud: Zookeeper failure modes

2019-01-02 Thread Pavel Micka
Hi, We are currently implementing Solr cloud and as part of this effort we are investigating, which failure modes may happen between Solr and Zookeeper. We have found quite a lot articles describing the "happy path" failure, when ZK stops (loses majority) and the Solr Cluster ceases to serve wri

Time Routed Aliases & CDCR

2018-07-20 Thread Pavel Micka
Hello, We are planning to implement Time Routed Aliases to our solution. But one of our requirements is to be able to provide disaster recovery in case one of two Data Centers dies. We have a network between DCs, which is potentially unstable and has latencies in hundreds of millis. We were re

SolrCloud acceptable latency, when to use CDCR?

2018-07-23 Thread Pavel Micka
Hi, We are discussing advantages of SolrCloud Replication and Cross Data Center Replication (CDCR). In CDCR docs, it is written that "The SolrCloud architecture is not particularly well suited for situations where a single SolrCloud cluster consists of nodes in separated data clusters connected