OpenSearch Operations

In this guide, we'll discuss how to check the OpenSearch version, which is essential for ensuring compatibility. The version command line...

Cluster manager task throttling in an OpenSearch feature that allows users to mitigate the risk of task overflow. Here's how to use it.

Heavy merges in OpenSearch use CPU, memory and disk resources, which can slow down the cluster’s response speed. In order to fix...

OpenSearch cluster pending tasks are updates to the cluster state that were initiated by a user or the cluster. To resolve, list the...

Follow these steps to configure all OpenSearch node role types (master, data, coordinating, ingest, machine learning, remote eligible...

When facing recurring red status events in OpenSearch, AutoOps can be used to debug the issue. Many pending tasks in the cluster were...

There are 2 methods to increase the primary shard count in OpenSearch: _reindex API & the _split API. Before using either method, you…

Here's how to configure an OpenSearch snapshot repository for Amazon S3, Azure Blob Storage & Google Cloud Storage (GCS). To register...

This guide delves into the details of implementing AWS OpenSearch backup. There are 2 types of backups: automated & manual snapshots. To...

Once an indexing queue exceeds the maximum size, the OpenSearch node will start rejecting index requests. To resolve this, check the...

An overloaded cluster manager in OpenSearch may cause instability in the cluster. There are 3 ways to fix this: (1) Checking for...

An OpenSearch node can disconnect from a cluster for several reasons, including: excessive garbage collection from JVM, configuration...

When you try to retrieve a document by ID, OpenSearch will count the number of times that it searches for an ID which doesn't exist...

The cluster concurrent rebalance setting in OpenSearch determines the max number of shards which the cluster can move to rebalance...

An OpenSearch cluster requires a cluster manager to be identified in the cluster. Reasons why a cluster-manager is not discovered yet...

OpenSearch document-level alerting detects activities at the moment a document is indexed. To use this feature, you first need to...

When OpenSearch detects that the merge process cannot keep up with the rate of indexing, then it will start to throttle indexing...

"Hotspots" in OpenSearch refer to a situation when some nodes are handling greater load than others. To resolve hotspots...

OpenSearch loaded client nodes could cause an increase in search or indexing response latency. To resolve...

Sometimes you can observe that the CPU and load on some of your OpenSearch data nodes is higher than on others. To fix this, check the...

One way to evaluate whether your OpenSearch resources are cost-efficient its check the ratio of disk usage to the memory allocated...

In this article, we'll dive deep into the OpenSearch Performance Analyzer, discuss its architecture and share best practices for using it.

This guide discusses the advanced usage of OpenSearch Point in Time (PIT) & shares best practices for optimizing its performance.

By executing OpenSearch rolling restarts with the help of the API, you can maintain high cluster availability & avoid downtime. To do..

By using the Split Index API in OpenSearch, an existing index can be split to create a new index with extra primary shards. To do this...

In this guide, we will discuss how to use the OpenSearch-Py library to perform bulk operations and provide tips for optimizing performance.

There are a number of reasons why a search request can be rejected by the OpenSearch cluster. 400 - rejected by OpenSearch can be..

There are a number of possible causes for slow searches on particular OpenSearch nodes. To fix the issue, you should...

Shard-level & search backpressure are OpenSearch features that seek to improve cluster performance by selectively rejecting requests when...

If the indexing queue is high/causes timeouts, it hints that OpenSearch nodes can't keep up with the indexing rate. To fix slow indexing...