New Improved SQL Server 2019! Now with more Spark!

If your server racks are anything like mine, they look impressive and powerful, clean and efficient. From the front, that is. Look behind the rack and there is a tangled rat’s nest of power cables, network connections, and those big clumsy things connecting to KVM switches. It’s worse on the inside. Data platforms and software […]
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What’s New in Red Hat Enterprise Linux 8?

RHEL 8 is on the way! I have experimented with the RHEL 8 beta release. Here’s my brief “test drive” report. For far more detail, I have a series of pages describing the upgrade path from RHEL 5 through 8. RHEL 8 is due. Major releases have taken 2 years, then 3, then 4, and […]
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Power BI: How to Save Memory for Better Performance

The tabular mode data storage used by Power BI, Power Pivot, and the SQL Server Analysis Services thrives on sufficient memory. Take away memory and performance plummets. You may be wasting memory and thus performance if you do not take advantage of opportunities to trim excess fat when you are first importing your data. And, […]
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What Is Web Metadata Encryption and Why Is It Important?

Your data may be encrypted when you use https, but what about your metadata? I wrote about metadata and eavesdropping earlier this year – it is, among other things, the URLs of the websites you visit. If attackers can access this information, they can learn some potentially confidential information about you, and you are unlikely […]
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WebAuthn: Toward the End of Passwords On the Web

Frequent readers of this blog will know that I am constantly looking for alternatives to passwords. Some reasons are: they can be shared so a system cannot tell who the real user is, they can be forgotten, when stored improperly they can be leaked. Passwords fall into the single-factor category of “something you know” (the […]
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