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What's New in Elasticsearch 8.6.1

Updated: Sep 14, 2023



Elasticsearch is a popular search and analytics engine used by many companies to store, search, and analyze large amounts of data. The latest version of Elasticsearch as of March 2023 is version 8.6.1, which includes a number of new features and improvements.

What is New in Elasticsearch 8?

Elasticsearch 8 includes a number of new features and improvements, including:

  • Improved search performance with a new feature called "index sorting".

  • Better support for large clusters with a new "adaptive replication" feature.

  • Enhanced security with new capabilities for auditing and logging.

  • Better scalability with a new "shard rebalancing" feature.

How to upgrade Elasticsearch 6 to 8?

Upgrading from Elasticsearch 6 to 8 can be a complex process, but Elasticsearch provides detailed documentation to help guide you through the process. Here are the general steps involved in upgrading:

Check your system requirements: Elasticsearch 8 has different system requirements than Elasticsearch 6, so be sure to check the documentation to make sure your system meets the requirements.

Upgrade to Elasticsearch 7: Elasticsearch 6 cannot be upgraded directly to Elasticsearch 8, so you'll need to first upgrade to Elasticsearch 7. Follow the instructions in the Elasticsearch documentation to perform this upgrade.

Upgrade to Elasticsearch 8: Once you've upgraded to Elasticsearch 7, you can upgrade to Elasticsearch 8 using the same documentation.

You can check this link: Elastic SIEM

What is my Elasticsearch version?

You can check the version of Elasticsearch you are currently running by sending a request to the Elasticsearch API. Here's an example of how to do this using the Python Elasticsearch library:

# Connect to Elasticsearch 
es = Elasticsearch() 
# Send a request to get the Elasticsearch version 
info = 
version = info['version']['number'] 
print(f'The Elasticsearch version is {version}') 

This code will connect to your Elasticsearch instance and print the version number to the console.

In conclusion, Elasticsearch 8.6.1 includes a number of new features and improvements that can help improve search performance, scalability, and security. Upgrading from Elasticsearch 6 to 8 can be a complex process, but Elasticsearch provides detailed documentation to guide you through it. To check your current Elasticsearch version, you can send a request to the Elasticsearch API.

Additionally, it's important to note that upgrading to Elasticsearch 8 may also require changes to your application code, as some APIs and features may have been deprecated or removed in the new version. It's important to thoroughly test your application after upgrading to ensure everything is functioning properly.

If you're considering upgrading to Elasticsearch 8, it's also worth noting that Elasticsearch typically releases minor updates every few months that include bug fixes and new features. Be sure to keep up with these updates to ensure your Elasticsearch instance stays secure and up-to-date.



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