I don't know if this has come up yet but....

[der.hans]

Am 24. Jun, 2015 schwätzte Michael Havens so:

moin moin,

well, it's taken me a while to get to responding. Sorry about that.

> I was perusing craigslist and noticed a link that said 'open source'. Being
> the ever-curious lad of 44 I clicked the link and wish to share what I
> found:

I was aware they do a lot, but hadn't seen the list. Danke.

Also, Craigslist donates hardware. PLUG helped Craigslist donate a few
racks of servers to two community colleges and UAT.

Craigslist definitely likes to give back to the community and realizes
it's dependent on Free Software.

ciao,

der.hans

> <quote>
>
> craigslist is a big believer in open source software
> <http://en.wikipedia.org/wiki/Open-source_software>, and relies heavily
> <http://www.craigslist.org/about/thanks> on Linux, MySQL, Perl, Apache,
> Sphinx, Redis, Haraka, and many others.
>
> craigslist (CL) has released the following open source projects:
>
> CL blob service <https://github.com/craigslist/python-clblob> - a simple
> HTTP-based, multi-master storage service designed for scale-out and
> multi-datacenter deployments:
>
>   - multi-master architecture with no single point of failure
>   - scales well for both read and write intensive workloads
>   - tracks TTLs for automatic expiration and purging of blobs
>   - designed for both local and multiple data center replication
>   - pluggable index and storage interface (uses SQLite for index and
>   filesystem for storage by default)
>
> CL image service <https://github.com/craigslist/python-climage> - large
> scale image resizing and processing HTTP service:
>
>   - flexible API to choose any quality, size, and center-cropping
>   - automatically handles orientation operations from EXIF data
>   - stores resized images in the blob service (could use other stores)
>
> memcache cluster proxy (MCP) <https://github.com/craigslist/mcp> - a
> high-performance modular clustering HTTP reverse proxy:
>
>   - high-performance event-driven daemon
>   - flexible configuration, easily extensible framework
>   - uses standard memcached memory store for caching
>   - supports PCRE and rule-based traffic routing by URL, headers, and more
>   - tracks health of origin servers, routes around failures
>   - provides configurable URL redirects, rewrites, and real-time
>   header transformations
>
> In addition, craigslist contributes code to the following open source
> projects:
>
> Haraka <http://haraka.github.io/>:
>
>   - added the smtp_client code that helps support pooled connections for
>   proxy queues
>   - rewrote all of the smtp_proxy and smtp_forward code
>   - major contributions to the test suite
>   - plugin that does strict DNS checking, DNS access control lists
>   - contributions to bannering support
>   - logging infrastructure changes for more robust logging
>   - plugins for aliases, access lists, etc.
>
> Redis <https://github.com/antirez/redis>:
>
>   - perl-AnyEvent-Redis-Federated: an event-based redis client that
>   implements client-side sharding in Perl
>   - redis_util: s collection of utilities for node-redis
>   - provided support for included config files
>
> Sphinx <http://en.wikipedia.org/wiki/Sphinx_(search_engine)>:
>
>   - provided the original persistent connections implementation
>   - craigslist sponsors useful sphinx feature developments, such as the
>   TRUNCATE INDEX command for real-time sphinx
>
> The craigslist Charitable Fund
> <http://www.craigslist.org/about/charitable> supports
> open source nonprofit organizations including:
>
>   - Apache Software Foundation <http://www.apache.org/>
>   - Free Software Foundation <http://www.fsf.org/>
>   - Gnome Foundation <http://www.gnome.org/>
>   - Mozilla Foundation <http://www.mozilla.org/>
>   - Open Source Initiative <http://www.opensource.org/>
>   - OpenStreetMap.us <http://openstreetmap.us/>
>   - Perl Foundation <http://www.perlfoundation.org/>
>   - PostgreSQL <http://www.postgresql.org/>
>   - Python Software Foundation <http://www.python.org/>
>   - Software in the Public Interest <http://www.spi-inc.org/>
>
> </quote>
>
> Isn't that cool!
>

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