Last Modified Date: 13 Jan 2021
- Tableau Server 2020.4.x
- Elasticserver (Elasticsearch) installed on more than one node
ResolutionIf you are installing or upgrading to Tableau Server 2020.4 and Elasticserver fails to come up, please reach out to Tableau Support at Support & Services (tableau.com).
To help with diagnosis, please provide the following:
- The `config/elasticsearch.yml` file, the Elasticserver logs
- The hostname(s) of the machine(s) with the issue
WorkaroundIf you are running Elasticsearch on multiple nodes, the workaround is to change your topology to a single-node of Elasticsearch only. This is sufficient and will still support the vast majority of necessary workloads.
CauseA known root cause is that if the hostname of a machine is capitalized in a particular way, Elasticsearch's multi-node clustering algorithm fails to discover its peer nodes and fails to form a cluster.
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