Scalability Blog

Scaling tips, insights, updates, culture, and more from our Server Experts.
 

Upgrading Your Managed Server to SSD for Maximum Performance and Cost Savings


The biggest advantage of Solid State Drives is lack of moving parts as compared to traditional hard drives.  This allows the drives to survive longer, and have faster read and write times.  It makes them ideal for an enterprise environment where performance and reliability are expected.  The SSD drives use less than a third of power compared to SAS or SATA, and promise twice the life expectancy.   Power consumption alone should save …

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Protecting Your Managed Server From Packet Flood

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There are instances when your DNS server, such as BIND or PowerDNS, comes under a heavy packet flood.  Here is a network activity on two nameservers undergoing UDP flooding to port 53:
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To mitigate this issue, we need to do a little investigation as to where the packets are coming from.  Tcpdump is an excellent tool for …

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