Technical Blog

Technical and Product News and Insights from Rackspace

Clustered Elasticsearch indexing shard and replica best practices

Originally published on Nov 27, 2020, at

Elasticsearch® is awesome at spreading data across your cluster with the default settings, but after your cluster begins to grow, you should adjust your default settings to enhance effectiveness. Let’s go over some of the basics of sharding and provide some indexing and shard best practices.

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Elasticsearch aliases

In this post, I go over Elasticsearch® aliases to celebrate access to our Alias action in the ObjectRocket-hosted Curator implementation. I also review the advantages of Elasticsearch aliases and how you can use them.

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Why is my Elasticsearch query slow?

Originally published on May 29, 2018 at

One frequent Elasticsearch® support request Rackspace Technology receives is “Can you help with my response time?” or “My queries are taking a long time, what can I do?”

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The SSL and TLS handshake process

This post introduces Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, how these protocols work, and why you might use them.

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Hurdles and success criteria of DevSecOps adoption

DevSecOps integrates security practices, principles, tooling, and knowledge into all stages of the software development life cycle within an Agile framework. It aims to enforce security in every stage of the DevOps process compared to the traditional practice, where security assurance is typically performed late in the software delivery life cycle.

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Salesforce and multifactor authentication

In today’s world, where everything we do seems to be virtual and online, threats that compromise security to your login credentials grow more common. That said, it’s important to employ strong security measures to protect your personal and business applications. That’s why you should consider implementing multi-factor authentication (MFA)—it helps to prevent common attacks such as phishing, keyloggers, and brute force attacks.

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Use an AnyConnect certificate and OTP-based authentication

Certificate-based authentication is one of the most secure methods that Cisco AnyConnect provides to enable you to access VPN remotely with a one-time password (OTP).

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Rackspace recommendations for implementing Appsian Security Platform for Peoplesoft

Appsian Security Platform (ASP), formerly ERP Firewall, is a component of the Appsian security suite that allows PeopleSoft® customers to control, restrict, and audit access to PeopleSoft systems and content. PeopleSoft customers using ASP have the flexibility to differentiate the privileges and access based on content, location, device, user, external tokens, and PeopleSoft data. Many customers from the higher education, healthcare, consumer packaged goods, retail, and financial services industries are using ASP to secure administrative functions in PeopleSoft Human Capital Management (HCM), campus solutions, financials, and supply chain.

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Components of the Oracle Cloud Infrastructure Network

This post gives an overview of the components that are part of the Oracle® Cloud Infrastructure (OCI) network.

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Run applications on Microsoft Azure and Oracle Cloud Infrastructure

Microsoft® and Oracle® have worked together to enable customers to deploy Oracle applications such as Oracle E-Business Suite®, JD Edwards® EnterpriseOne, and PeopleSoft® in the cloud.

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