Essential Guide

Keep your server sharp and upgrade memory techniques

A savvy memory upgrade can solve server inefficiency, slowness and unreliability. Choose the wrong memory type and you can forget about being administrator of the month.

Introduction

This guide explores emerging server memory types and their pros and cons, including various DIMMs, flash and SSD storage, PCI Express accelerators and channel memory. Experts explain how to determine the best server memory upgrade for specific applications and use cases in enterprise data centers.

1Pick and choose-

Be picky when buying memory

Having a hard time choosing between new server memory options? It can be complicated with the new technologies and features available, so read up on the options before you add or upgrade memory in your server.

Tip

Selecting server memory 101

If you're not up to date on modern memory technology, you might be making the wrong choices for server memory configuration and upgrades. Before you buy, identify your needs and options. Continue Reading

Answer

New features change the memory game

Forget what you think you know about memory for enterprise data center servers. Virtualization is growing, and server memory features like error correction code (ECC), error thresholds and logging are essential for efficiency and reliability. Continue Reading

Tip

Look harder at memory ranks, channels and types

Data rates may apply, but there's more to server memory. Take a look at ranks, types and channels to point you in the right direction towards increased memory and speed. Continue Reading

Answer

Server memory voltage

High voltage no longer means low performance. Today's dual inline memory modules (DIMMs) have adopted a "more is better" attitude. The relationship between voltage and million transfers per second (MT/s) is more complex. Continue Reading

Answer

Which option is best for your server?

Load-reduced DIMM (LRDMM) balances performance and capacity. It allows more memory and decreased latency, but does it stack up with other DIMM designs? Continue Reading

Tip

More, more, more

Server processors are amassing more memory, targeting high-performance databases and data analytics. If you need a server that can handle massive workload consolidation, check out these new processors. Continue Reading

2Does this memory fit?-

Tailor and upgrade memory to fit your infrastructure

Step up your memory game by choosing the right configuration for your infrastructure and use cases. Find out how to optimize and upgrade memory without giving up on your existing servers.

Tip

What a virtualized environment needs

Processor speed, number of cores and the type of DIMMs are important factors to consider when selecting CPU and memory for a virtual environment. Continue Reading

Tip

Increase memory, reliability on mission-critical servers

Can you rely on your memory? Memory reliability is ever-important now that new servers can hold more and faster memory. There are ways to boost it. Continue Reading

Tip

Tricks to optimize memory paging without affecting performance

Virtual machines (VMs) play nicely with the help of memory paging. Unfortunately, this can suppress performance. Here are a few tips to optimize paging without hurting performance. Continue Reading

Feature

Is in-memory processing the next bigger thing?

In-memory processing is dynamic for analytics, especially for big data use cases. But what about factors such as bottlenecks and cost? Consider the negatives before holding whole databases in memory. Continue Reading

Feature

Server memory configuration upgrades VM performance

Server memory configurations help improve VM performance and add flexibility, but not all are suitable for each workload. Learn how to use dynamic memory allocation, memory weight and more in this tip. Continue Reading

Feature

Take NUMA for server memory distribution failure

Ready for advanced virtualization performance planning? A non-uniform memory architecture (NUMA) solves allocation complications. Continue Reading

3Solid state spins up-

Solid-state stuff

Get flash-based storage in a flash. These expert tips and news coverage explore what you need to know about boosting memory performance with flash storage.

Answer

Do virtual servers want flash storage or hard drive?

We're shaking up the flash storage vs. hard drive debate by asking, Which form factor is best for virtual server storage. It's no surprise that size, speed and connectivity affect the answer, along with some other considerations. Continue Reading

Tip

Goodbye disk-based array, hello flash-based storage

See ya, disk-based array! Flash-based storage is moving in and sending main storage closer to the CPU. But faster application performance comes with some noteworthy caveats about this type of storage. Continue Reading

News

What's holding back flash memory storage?

Don't let slow write speeds and high cost deter you from flash memory storage just yet. New advances have hit the market, causing data centers to reconsider this fast technology. Continue Reading

Tip

SSDs boost data center performance

System administrators need to ask whether substituting solid-state drives (SSDs) for mechanical hard drives is worth the investment. SSD performance may not give you what you need. Continue Reading

Answer

Avoid bottlenecks with a storage accelerator

Looking for extreme IOPS to spice up your data center servers? Solid-state storage accelerators will give the most demanding applications -- databases and big data apps -- a rush. Continue Reading

4Remember these definitions-

Don't forget the meaning of these terms

These definitions will help you remember everything you need to know about server memory.

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