README.md

Elasticsearch

Containers running Elasticsearch for DEV purpose.

System requirements

• max_map_count >= 262144

Usage with docker

• Start elasticsearch : docker compose up -d

• Open https://es.dev.localhost or https://es.dev.localhost/_cat/nodes?v&pretty

• Disable disk quota / watermark

bash disable-quota.sh

Usage with Kubernetes

See www.elastic.co - Download Elastic Cloud on Kubernetes :

# elastic definitions
kubectl create -f https://download.elastic.co/downloads/eck/2.5.0/crds.yaml
# elastic operator
kubectl apply -f https://download.elastic.co/downloads/eck/2.5.0/operator.yaml

...and usage in geonetwork/manifest/base/elasticsearch.yaml / geonetwork/manifest/base/statefulset.yaml

Troubleshooting

vm.max_map_count too low

[1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

sudo sysctl -w vm.max_map_count=262144

Disable disk quota / watermark

bash disable-quota.sh

Resources

• Install Elasticsearch with Docker
• How to disable ElasticSearch disk quota / watermark : avoid read-only problems