Improving Performance
Many Unix-like operating systems and distributions are tuned for desktop or light use out of the box and not for a production database. This guide describes recommended system performance tunings for operators of new and existing Riak clusters. The tunings present in this guide should be considered as a starting point. It is important to make note of what changes are made and when in order to meas
Network Tuning and Performance Guide @ Calomel.org
home rss search January 01, 2017 Network Tuning and Performance a simple guide to enhancing network speeds Many of today's desktop systems and servers come with on board gigabit network controllers. After some simple speeds tests you will soon find out that you are not be able to transfer data over the network much faster than you did with a 100MB link. There are many factors which affect network
PerformanceTuning < MAX < TWiki
Network Performance Testing This page is intended to bring together a number of approaches and resources relating to testing and tuning end systems to improve network performance and the throughput experienced by users applications and the movement of large data files. The focus is on understanding how to tune and debug end systems to obtain the highest throughput performance possible with the sy
Tuning Systems for TCP/IP Performance on High Latency Networks
1 Tuning Systems for TCP/IP Performance on High Latency Networks Worldwide LHC Computing Grid Tier-2 Workshop in Asia Mark Bowden, Wenji Wu, Matt Crawford (bowden@fnal.gov, wenji@fnal.gov, crawdad@fnal.gov) 01 Dec 2006 2 TCP_buffer_size = RTT * BW 160 KBytes = 125 msec * 10 Mbps 1.6 MBytes = 125 msec * 100 Mbps 16 MBytes = 125 msec * 1000 Mbps 160 MBytes = 125 msec * 10000 Mbps example: Chicago-CE
PCI Express (PCIe) for Networkers
Virtualization, IP Network, Computing Performance & Energy Efficency # この記事は、カーネル／VM Advent Calendar 32日目 (2011年1月7日)の記事です。 昨年 IA Server上で動作する Vyatta という Software Router の性能測定やってた時に、ふと浮かんだ疑問が「PCIe の実効性能ってどんなもん？」 というわけで「ネットワーク屋さんがボトルネックを考える時に必要なレベル」を目指して、PCIe を調べてみました。 PCIeの特徴 特徴は色々とありますが、ネットワーク屋さんとして知っておくべき主な特徴は以下の項目と思われますので、それらを解説していきます。 point-to-point接続のシリアル通信 階層構造をもったアーキテクチャ パケットベースのプロトコル ロスレス（
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AdaptersAndDrivers < PERTKB < TWiki
ixgb.txt - Documentation/networking/ixgb.txt - Linux source code (v2.6.29) - Bootlin
