draft
display cluster health
GET _cluster/health?pretty
check there are no zone weights
GET /_cluster/routing/awareness/zone/weights
show indices and docs count
GET _cat/indices?v
show shards
GET _cat/shards?v&s=index
show shards and storage allocation
GET _cat/allocation?v&s=shards GET _cat/allocation?v&s=disk.avail
GET /_nodes/hot_threads GET /_nodes/<nodeId>/hot_threads
explain unassigned shards
GET _cluster/allocation/explain
when trying to e.g. update documents
version conflict, required seqNo [], primary term []. current document has seqNo [] and primary term []]
==> GET _tasks
link
when trying to e.g. delete documents by query
version conflict, required seqNo [...], primary term [...]. but no document was found
==> related to resources overheat here. tryed with ?conflicts=proceed
and got either timeout or [parent] Data too large, data for [indices]
https://www.elastic.co/guide/en/elastic-stack-overview/index.html old doc (6.3 - 7.4)
https://www.elastic.co/guide/en/elasticsearch/reference/index.html new doc
https://opensearch.org/docs/latest/api-reference/nodes-apis/nodes-hot-threads/
https://opensearch.org/docs/latest/api-reference/nodes-apis/index/
https://opensearch.org/docs/latest/install-and-configure/configuring-opensearch/cluster-settings/
https://opensearch.org/docs/latest/api-reference/cluster-api/cluster-settings/
https://ariamarble.github.io/api-reference/cluster-api/cluster-settings/
https://opensearch.org/docs/latest/install-and-configure/configuring-opensearch/index-settings/