Blog

How to Install OpenSearch on EC2 Using Terraform

OpenSearch was created as a community-driven, open source fork of Elasticsearch and Kibana. OpenSearch includes a search engine daemon and dashboards for visualization and user interface.   Opster is committed to the continuous improvement of…

We analyzed 3,154 Elasticsearch clusters, and these are the mistakes you should avoid

Are you making the same mistakes as everyone else?  Elasticsearch users know just how easy it is to misstep when setting up and configuring your system, and what happens when you fail to notice issues…

Announcing Opster’s Support for Opensearch

Opster is proud to announce that it is supporting OpenSearch as part of our continued mission to provide the best products and services available. Our community tools and products now support OpenSearch, as well as…

Self-Hosted Elasticsearch or Managed? Where to Manage your Elasticsearch Infrastructure

What you need to know when choosing where to host Elasticsearch When using Elasticsearch, you’re faced with different hosting options. There are many elements to consider when choosing where the host Elasticsearch, whether you’re just…

How to Easily Upgrade Elasticsearch Versions

Upgrading versions in Elasticsearch is often a very daunting task, especially when jumping major versions. Users fear downtime, data loss, configuration issues and more, all of which are legitimate risks when upgrading.  One way to…

How to Improve Performance in Elasticsearch When Your Cluster Is Loaded

Elasticsearch users often work with one primary cluster for all operations, even if they actually require a second backup cluster. If a backup cluster exists, it will usually sit idle while the primary cluster handles…

How to Prevent Downtime in Elasticsearch and Benefit from Active-Active Recovery

When a primary cluster falls in Elasticsearch, the data recovery process is usually initiated, but it might take time to complete. This means that you’ll suffer from downtime in the system and data will not…

How to Ensure Data Recovery in Elasticsearch

It’s always important to have more than one copy of your data, especially if you’re operating a mission-critical Elasticsearch deployment. Should your cluster fall or become unavailable for any reason, it’s possible to maintain service…

How to Solve “Noisy Neighbor” Issues in Elasticsearch

A common issue many multi-tenant Elasticsearch deployments face is having a “noisy neighbor” – a certain customer interfering with the service and user experience of another customer on the same cluster. In cases like these,…

How to Scale Elasticsearch with Multiple Users and Tenants

Hosting too many tenants on a single Elasticsearch cluster adds unnecessary load to your system. With too many shards, indices and nodes, cluster state and metadata become far larger than is optimal. Master nodes can’t…

How to Optimize Search Performance and Eliminate Latency in Elasticsearch

One of the most difficult issues to manage and resolve in Elasticsearch is poor search performance and search latency. To optimize Elasticsearch search performance, you need to find the heavy and slow searches in your…

How to Correctly Identify Slow and Heavy Searches in Elasticsearch

A heavy search is a search that consumes many resources in the cluster (like memory, disk bandwidth, CPU and network) and which causes latency in Elasticsearch. Heavy searches are not to be confused with a…

How to Locate Which Elasticsearch Users are Slowing Down Searches

When viewing Elasticsearch searches, it’s very difficult to derive actionable insights without knowing which of your users searched for what. Assigning which searches belong to which users is a crucial step towards improving search performance…

How to Find Searches that are Slowing Down your Elasticsearch Cluster

It can be very difficult to understand what is going with your searches in Elasticsearch. Without visibility, you can’t get a clear picture of what is happening in your system, which searches are slowing it…

Announcing SOC 2 Compliance: Ensuring the Highest Standards of Security

As it continues to stride forward with new products and services, Opster is committed to ensuring and protecting the privacy of its clients and their data. Opster has always prioritized the trust of its clients…

High Availability in Elasticsearch – Cross Cluster Replication and Alternatives

How to Achieve High Availability in ES – Cross Cluster Replication, Load Balancer Approach and Snapshots (/Backup and Restore) Last Updated : August 2020 High availability in Elasticsearch, as well as data recovery, are two…

How to Improve your Elasticsearch Indexing Rate

To get personalized detailed recommendations that can improve indexing and search performance run our Elasticsearch Check-Up (no installation required)!

Improve your Elasticsearch Reindex Performance with these Tips

Disable replicas when building a new index from scratch that is not serving the search traffic, and increase index buffer size.

How to Improve Elasticsearch Search Performance

10 crucial tips on how to improve search in Elasticsearch in easy-to-follow steps.

Managed Elasticsearch Service Overview – Focusing on AWS

AWS managed Elasticsearch vs unmanaged Elasticsearch – a complete overview examining available features, capabilities, costs, and limitations Updated on : July 2020 Like many operations running in the cloud, when operating Elasticsearch in AWS, you…