max_connections at AWS RDS MySQL Instance Sizes

This chart shows the max_connections limit, set by AWS, at various MySQL RDS instance sizes.

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Backup and Restore IIS to Another Server

The steps shown demonstrate how to back up all sites, app pools, and settings from IIS 7, IIS 8, and IIS 8.5, then restore to another server.

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Create and Attach Azure VM Disks in PowerShell

This article is a quick overview of the commands used to create and add disks through PowerShell.  This can be especially helpful when adding many disks to the same VM.  The Azure web portal can take 1-2 minutes per disk to complete an add operation. Your PowerShell environment should be set up with the necessary permissions to your Azure account.  See this Microsoft Article for Azure cmdlets...

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Microsoft Windows Server Disable SSL3

The registry values are manually set by running regedit as administrator, then checking these values

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Microsoft Windows Find Disk Allocation Unit Size

When configuring disks for specific performance, especially in SQL and Exchange, it is important to set NTFS disk allocation unit size correctly.  Foe example, The size of files and IO operations call for 64K unit size   run the following command from an elevated command prompt: fsutil fsinfo ntfsinfo <Disk Letter:> Bytes per Cluster shows the allocation unit size.  Divide by 1024...

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Uptime Chart

All levels of web-scale IT stacks should be monitored for availability, response time, and performance. Whether self-imposed or customer-imposed, the availability SLA percentage translates to a specific amount of downtime. Industry lingo may refer to this as the number of "nines" of an application or resource. For example, 99.99 would be referred to as 4 nines.

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