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Achieving 100Gbps intrusion prevention on a single server

The Morning Paper

Achieving 100 Gbps intrusion prevention on a single server , Zhao et al., Today’s paper choice is a wonderful example of pushing the state of the art on a single server. This makes the whole system latency sensitive. Moreover, Pigasus wants to do all this on a single server! Can you really do all this on a single server??

Servers 128
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Seamless offloading of web app computations from mobile device to edge clouds via HTML5 Web Worker migration

The Morning Paper

Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. The kind of edge server envisaged here might, for example, be integrated with your WiFi access point. As such, web workers are a natural target to offload to a more powerful server.

Mobile 104
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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. This server is spending about a third of its CPU cycles just checking the time! As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. us on Ubuntu.

Speed 126
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Why you should benchmark your database using stored procedures

HammerDB

Stored Procedures and Client SQL comparison To test the stored procedures and client implementations, we ran both workloads against a system equipped with Intel Xeon 8280L. the amount of data from the server to the client to achieve the same result. On MySQL, we saw a 1.5X performance advantage. Client connecting to 127.0.0.1,

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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

Microsoft, ​​ Windows, ​​ Windows NT, ​​ and Windows Server ​​ are registered trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

Servers 40
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Linux Load Averages: Solving the Mystery

Brendan Gregg

Thankfully, I found some older linux-devel mailing list archives, rescued from server backups, often stored as tarballs of digests. It's time in some cgroup paths, but this server is not doing much disk I/O. Latency was acceptable and no one complained. My search was starting to feel cursed. to the load average. Yes, I'd say so.

Latency 111
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Distributed Algorithms in NoSQL Databases

Highly Scalable

Historically, NoSQL paid a lot of attention to tradeoffs between consistency, fault-tolerance and performance to serve geographically distributed systems, low-latency or highly available applications. A database should accommodate itself to different data distributions, cluster topologies and hardware configurations. Data Placement.

Database 213