OpenSearch guides

To install OpenSearch on EC2, you will need a route-53 resource that connects to your VPC. The Terraform module will deploy 3 EBS, 5 EC2...

Helm is the best way to find, share, and use software built for Kubernetes. To install OpenSearch using Helm charts, you need to first...

OpenSearch supports migration to Elasticsearch using rolling upgrades. There're 4 methods to migrate data from Elasticsearch to OpenSearch...

If you’re using Elasticsearch version 7.11 or later, you cannot use rolling upgrades to migrate to OpenSearch. Instead, you can use these...

Installation instructions, advantages of using the Operator for OpenSearch management, tips and benefits of...

There are 3 types of alerts in OpenSearch: system, logs, & business specific. Before creating an alert, you need to create a channel. To do...

How to create an OpenSearch Index & what it is with a general overview - an index (plural: indices) contains a schema and can have

In OpenSearch, an alias is a secondary name to refer to one or more indices. Aliases can be created and deleted dynamically using...

OpenSearch bulk makes it possible to perform many write operations in a single API call, which increases indexing speed. Using bulk API...

Circuit breaker exceptions are thrown to alert us that something needs to be fixed in OpenSearch in order to reduce memory usage. To fix...

OpenSearch delete by query is an API, which provides functionality to delete all documents based on the matching query. If you don't...

The easiest way to start testing OpenSearch is running the available docker image. To spin up an OpenSearch cluster using docker, you need...

A high heap size in OpenSearch will give your node more memory for indexing and search operations. However, your node also requires...

Mapping contains the properties of each field in the index. A common issue in OpenSearch is an incorrectly defined mapping. Examples of...

If the max of shards per node is exceeded in OpenSearch, shards can't be allocated. It is crucial to check if the limit is set at a...

There are different types of nodes in OpenSearch. Each has its own role and purpose. Cluster-Manager, coordinating and data nodes differ...

Dashboards are the most useful tool to visualize data without having to code an entire framework that consumes data from the engine...

OpenSearch red status indicates not only that the primary shard has been lost, but also that a replica has not been promoted...

OpenSearch requires a refresh operation to make indexed information available for search. You can set the refresh interval by...

It is a best practice that OpenSearch shard size should not go above 50GB for a single shard. If you go above this limit...

Yellow status indicates that one or more of the replica shards on the OpenSearch cluster are not allocated to a node. This could occur...