Which components of Atlas are not HA?

[#1]

I understand multipule atlas metastores may be configured for HA. what about the other components of atlas, can they be configured as HA and if so how?

[#2 · Accepted solution]

In order to provide HA for the index store, we recommend that Atlas be configured to use Solr as the backing index store for Titan. In order to configure Atlas to use Solr in HA mode, do the following:

• Choose an existing SolrCloud cluster setup in HA mode to configure in Atlas (OR) Set up a new SolrCloud cluster.
  • Ensure Solr is brought up on at least 2 physical hosts for redundancy, and each host runs a Solr node.
  • We recommend the number of replicas to be set to at least 2 for redundancy.
• Create the SolrCloud collections required by Atlas, as described in Installation Steps
• Refer to the Configuration page for the options to configure in atlas.properties to setup Atlas with Solr.

Source - http://atlas.incubator.apache.org/HighAvailability.html

[#3]

@chennuri gouri shankar That is good info on HA for Solr. I assume the metastore (HBase) will need to be configured for HA as well?

[#4]

Atlas HBase is made HA by configuring as distributed HBase (vs default standalone)

http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.5.0/bk_data-governance/content/ch_hdp_data_gover...