3xsd is a native epoll server serving TCP/UDP connections, a high performance static web server, a failover dns server, a http-based distributed file server, a load-balance proxy-cache server, and a warp-drive server. Written in python, take the full power of multi-cores.
##3xsd 3xsd is a native epoll server serving TCP/UDP connections, a high performance static web server, a failover dns server, a http-based distributed file server, a load-balance proxy-cache server, and a ‘warp drive’ server. Written in python, take the full power of multi-cores.
##Features in detail:
- ###3wsd - web server
- supporting: static files, event driven(epoll), using mmap & sendfile to send files, in-mem xcache, transparent gzip content transfer with fixed length(small file) & chunked(large file), persistent storage of gzip files, partial support of WebDAV(PUT/DELETE), pipelining support
- ###3nsd - dns server
- supporting: only A record resolution, domainname failover(refer to conf file), ip icmp probe & hide when fail, round robbin ip resolving
- ###3zsd - proxy server
- supporting: load balance backend servers, in-mem file caching & persistent cache file storage
- ###3fsd - distribute web file system
- supporting: mass unlimitted file storage, easy to expand, O(1) location algorithm, non-centralized, can work with standard web server(WebDAV) in proxy mode, file redundancy, file persistent caching
- ###3wdd - ‘warp drive’ server
- supporting: data tunneling over UDT and tun, better congestion control than TCP/UDP over wan link, better thoughput(above 80%) over wan link, tunnel ip/mtu/txqueuelen/route define, auto create/recreate/destroy encrypt packages through AES-128-ECB/CBC/CFB
More to find in .conf file.
Small file under 1KB single process test(full in-mem), contrast with nginx configuring accept_mutex off, 80% performance. Multi processes test, with reuse_port enabling kernel, 95% performance of nginx(and beyond, may be 105% or more, based on process number, I tested 2-4). The tests above is not quite strict， but I just want to say that it’s fast enough.
And with pipelining enabled, 3wsd will perform better with 3-4 requests/send(5%-10% performance increase), 2 requests/send have the same speed with non-piplining.
- About 80% performance of 3wsd.
- Fast enough…about 2800-3000 queries/s per processes, with 1GHz bcm2709 4-cores ARMv7 cpu testing, better when multi-processes with reuse_port enabling kernel.
- Same with 3zsd.
- Under testing..
###More performance: There are at lease two ways to increase the performance of 3xsd:
1.Install Cython, and rename _3xsd.py to _3xsd.pyx, run it. Cython will compile _3xsd.py lib into a _3xsd.so file, using static type declarations. This can gain about 5%-6% performance increasement. 2.Use PyPy.This can gain about 10%-15% performance increasement(or more).
#OS requirement & install:
CentOS 6/7 with python 2.6/2.7, Debian 6/7. Python 2.7 recommended.
Doing this before running the program(minimal requirement):
yum install python-gevent pysendfile python-setproctitle python-psutil python-pip
(python-pip is optional if install dpkt)
Dpkt module is also needed when running 3nsd DNS server, pip install it.
If you want to use 3wdd, python-pytun, pyudt4, pycrypto are also needed.
yum install python-crypto2.6
will quickly install pycrypto(probably do some ‘linking’ works). The other two depended on pip install.
Or, of cause you can let pip do it all for you:
pip install 3xsd
In a debian, you can use apt-get to install python-pip(pip) or python-setuptools(easy_install), then to install the packages following.
Python Packages(Modules) version reference:
gevent==0.13.8(1.0.1, 1.1) greenlet==0.4.2 pysendfile==2.0.1 setproctitle==1.0.1 psutil==0.6.1 dpkt==1.6(1.8.6) python-pytun==2.2.1 pyudt4==0.6.0(epoll-fixes branch) pycrypto==2.6.1
To install a module of specific version(like gevent 0.13.8), you can:
pip install gevent==0.13.8
This will install the latest version of gevent(pypy will need it):
pip install git+git://github.com/surfly/gevent.git#egg=gevent
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