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- nkallen's cachet at master - GitHub
- [Alternativa a Varnish] Cachet is an HTTP Reverse Cache Proxy written in Scala. It is comparable to Varnish or Rack::Cache. It implements the RFC2616 specification (at this time, only the Expiration model, but the Validation model is forthcoming) obeying Cache-Control headers and the like. It is very configurable so that you can use custom databases (Ehcache and Memcached are supported by default), and custom expiry strategies, and so on. It is designed so that you can layer on things like authentication, authorization, rate limiting, and arbitrary service composition strategies (e.g., Edge-Side Includes)--which is is, I think, something novel in an open-source reverse proxy.
- 2010-03-02 to cache, cluster, freesoftware, performance, proxy, reverse-proxy, scala, software by lorello
- collectl
- There are a number of times in which you find yourself needing performance data. These can include benchmarking, monitoring a system's general heath or trying to determine what your system was doing at some time in the past. Sometimes you just want to know what the system is doing right now. Depending on what you're doing, you often end up using different tools, each designed to for that specific situation. Unlike most monitoring tools that either focus on a small set of statistics, format their output in only one way, run either interatively or as a daemon but not both, collectl tries to do it all. You can choose to monitor any of a broad set of subsystems which currently include buddyinfo, cpu, disk, inodes, infiniband, lustre, memory, network, nfs, processes, quadrics, slabs, sockets and tcp.
- 2009-10-28 to freesoftware, gpl, linux, performance, software, stats, sysadmin by lorello
- Varnish - Trac
- Varnish is a state-of-the-art, high-performance HTTP accelerator. It uses the advanced features in Linux 2.6, FreeBSD 6/7 and Solaris 10 to achieve its high performance.
- 2009-10-27 to bsd, cache, cluster, freesoftware, linux, performance, proxy, software, webcache by lorello
- PHP FastCGI Process Manager in Launchpad
- PHP-FPM is a Fast-CGI frontend for php, and an enhancement of php-cgi
- 2009-10-13 to freesoftware, patch, performance, php, software by lorello
- PHP-FPM
- Patch da applicare a PHP 5.2 o 5.3 per avere feature aggiuntive quando si usa FCGI
- 2009-10-12 to freesoftware, patch, performance, php, software by lorello
- DBSlayer - Trac
- The DBacesslayer aka DBSlayer aka Släyer (as we like to call it when we're feeling ironically heavy metal) is a lightweight database abstraction layer suitable for high-load websites where you need the scalable advantages of connection pooling. Written in C for speed, DBSlayer talks to clients via JSON over HTTP, meaning it's simple to monitor and can swiftly interoperate with any web framework you choose. The DBSlayer originated as an internal tool at the New York Times. The typical LAMP strategy for scaling up data-driven applications is to replicate slave databases to every web server, but this approach can hit scaling limitations for high-volume websites, where processes can overwhelm their given backend DB's connection limits. Quite frankly, we wanted to scale the front-end webservers and backend database servers separately without having to coordinate them. We also needed a way to flexibly reconfigure where our backend databases were located and which applications used them without resorting to tricks of DNS or other such "load-balancing" hacks. Plus, it just seemed really cool to have a JSON-speaking DB layer that all our scriptable content could talk to. Thus, the DBSlayer was born.
- 2009-09-16 to cluster, database, http, json, lamp, mysql, opensource, performance, proxy, software by lorello
- Files systems tools tests suites
- Bull GNU/Linux NFSv4 project
- 2009-04-13 to benchmark, bonnie, freesoftware, nfs, nfs4, performance, software, storage, sysadmin by lorello
- FileBench
- Filebench is a new framework for simulating applications on file systems.
- 2009-04-07 to performance, software, solaris, storage, sun, sysadmin, test by lorello
- I/O Performance, Inc.
- Xdd
- 2009-03-31 to disk, performance, software, sysadmin, tools by lorello
- Sysstat Ubuntu package
- The sysstat package contains the following system performance tools: * sar - collects and reports system activity information; * iostat - reports CPU utilization and I/O statistics for disks; * mpstat - reports global and per-processor statistics; * pidstat - reports statistics for Linux tasks (processes); * sadf - displays data collected by sar in various formats. The statistics reported by sar concern I/O transfer rates, paging activity, process-related activities, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities and TTY statistics, among others. Both UP and SMP machines are fully supported.
- 2009-03-31 to disk, performance, software, sysadmin, tools by lorello
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