High availability

Many clusters use coordinating or ingest nodes, while others leave the ingest and coordination functions to the data nodes. In order to...

Once an Elasticsearch cluster reaches a certain size, it's recommended to create 3 dedicated master nodes. Here is how you can create...

A coordinating node is a node that handles HTTP(S) requests for the cluster, especially indexing & search requests. A coordinating only...

This guide delves into the strategies and best practices for Elasticsearch disaster recovery. To recover from a disaster...

Learn how to configure the `number of replicas` setting, its implications on performance, and best practices for optimizing your cluster.

When looking at Shard View for the index, it was clear that the index in question wasn’t carrying out the highest indexing rate and wasn’t...

Elasticsearch indices may not have replica shards, this can occur due to various reasons. To resolve this issue you need too...

This article delves into the strategies and best practices to ensure high availability in Elasticsearch. The first strategy is to...

This error occurs when the Elasticsearch cluster doesn't have a quorum of nodes with voting rights to elect a new master node. To resolve...

Elasticsearch remote clusters offer a powerful way to connect multiple clusters and perform cross-cluster operations. To configure a remote...

The node concurrent recoveries setting determines the max number of shards that can be recovered at once from each node. It's important to...

Master nodes are responsible for actions such as creating or deleting indices. If you don't have enough master nodes, it could lead to...

Setting up zone awareness for shard allocation ensures high availability in the case of several servers going down. Here's how to...