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of the stress test shown in Figure 2, shows that some 19,200 queries composed of 55 different commands were issued. The system, a server with 768MB of RAM and a Pentium 3 CPU, took a total of 22 seconds to answer
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Amazon started converting its excess computational power to cash some time ago. Under such names as EC2 (Elastic Computing Cloud), S3 (Simple Storage Service), and SimpleDB, the book and coffee
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also frequently provides the underpinnings for a virtualization cluster that runs multiple guests in a high-availability environment, thanks to Open Source tools such as Heartbeat [2] and Pacemaker [3
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[9].
Test version: Two XenServer trials are available [10].
Although I would have liked to include the future version 3 of the Red Hat Enterprise Virtualization [4] product as a long
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version with advanced capabilities is available for EUR 49. A feature list [3] specifies the differences between the free and pro versions.
The terminal function supports anti-aliasing, fonts, and macros ... 9
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and least connected, and they are also the most commonly used in LVS clusters.
Configuration
Piranha [3] is a clustering product from Red Hat based on the LVS concept. It includes the IPVS kernel code ... 3
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.5-23
05 pve-kernel-2.6.24-11-pve: 2.6.24-23
06 qemu-server: 1.1-16
07 pve-firmware: 1.0-5
08 libpve-storage-perl: 1.0-13
09 vncterm: 0.9-2
10 vzctl: 3.0.23-1pve11
11 vzdump: 1.2-5
12 vzprocps: 2.0.11-1dso2
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686
oprofile-0.9.5-4.fc12.i686
To profile the kernel, you need to tell OProfile where the kernel image is located with the --vmlinux option:
opcontrol --setup --vmlinux=/usr/lib/debug/lib/ modules
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, your scaling options are virtually unlimited, and you can add Content Delivery Networks (CDN). As an example, SlideShare [1] integrates document downloads and Flash file hosting with Amazon S3 and Cloud
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Include {
13 File = /usr/sbin
14 Options {
15 Signature = MD5
16 }
17 }
18 Exclude {
19 File = /var/lib/bacula
20 File = /tmp
21 }
22 }
23
24 Messages {
25 Name = Daemon
26
