Capacity planning

If the ratio of memory to number of shards in the cluster is low, it suggests that you have insufficient memory compared to the volume...

There are various watermark thresholds on an Elasticsearch cluster. As the disk fills up on a node, the 1st threshold to be crossed is...

The different categories in the Elastic Pricing Calculator can impact your final cost. Here's how to efficiently use the pricing calculator.

Elasticsearch clusters need to maintain the cluster state in memory on each and every nodes, which requires a large amount of resources...

Here are 12 tips to reduce and Optimize your Elasticsearch costs. First, plan data retention: carefully adjust your...

When cluster state becomes too large it poses many challenges. In order to determine the size of your cluster state and reduce it, you...

In Elasticsearch’s multi-tier architecture, the tiers are named hot, warm, cold & frozen. This Elasticsearch architecture allows better...

When the “disk flood stage” threshold is exceeded on an Elasticsearch cluster, it will start to block core actions. To resolve this issue...

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

High disk watermark is one of the various thresholds on your Elasticsearch cluster. Passing this threshold is a warning and you should not...

Finding the right number of shards for your Elasticsearch indices, and the right size for each shard depends on many factors, including...

If you don’t have enough disk space available, Elasticsearch will stop allocating shards to the node. This will eventually prevent you from...

When you have too many shards in your Elasticsearch cluster, there are a few steps you can take in order to reduce the number of shards...

Sometimes you can observe that the CPU and load on some of your data nodes is higher than on others. This can occasionally be caused by...

Low disk watermark is one of the various thresholds on your Elasticsearch cluster. Here are possible actions you can take to resolve...

The Elasticsearch process is very memory intensive. Here are the memory requirements and some tips to reduce your Elasticsearch memory usage.

A large number of shards on an Elasticsearch cluster requires extra resources. Learn key ways to avoid and correct oversharding...

Shard allocation is an algorithm by which Elasticsearch decides which unallocated shards should go on which nodes. To resolve unbalanced...

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