performance tests for asterisk on 4 Intel Cores @ 2GHz, 2 GB RAM, over sip, recorded media playback — results: saturates 100mb network at ~1000 simultaneous calls, one way GSM playback.
…
Posted in asterisk, gsm, performance, sip, test, voip | Comments Off | permalink
the subj. how to optimize webpage load speed by compressing, optimizing images, js, css
Posted in compression, css, gzip, optimization, performance, speed, web, webdev | Comments Off | permalink
asterisk stress testing (Livejournal post in russian )
Posted in asterisk, performance, reliability, test, voip | Comments Off | permalink
Interesting discussion on LWN about an article describes problem with packet loss on home broadband networks due to improper buffer sizes in various network gear (routers, cable/dsl modems, switches, etc) along the route path.
Posted in buffers, network, performance, research, sysadmin, tcp | Comments Off | permalink
[ENG] http://translate.google.com/translate?u=http%3A%2F%2Fwww.insight-it.ru%2Fmasshtabiruemost%2Farkhitektura-vkontakte%2F&sl=ru&tl=en&hl=&ie=UTF-8
some info about internals of vkontakte.ru – russian facebook clone, most popular soci…
Posted in architecture, development, highload, mysql, performance, scalability | Comments Off | permalink
Benchmark comparing SPICE with RDP. In short, network utilization is similar, SPICE works for with video, but requires ~ 8Mbps of bandwidth. (SPICE work only for VMs)
Posted in benchmark, for:collidr, Linux, network, performance, RDP, remote_desktop, rhel, RHEV, VDI, video, virtualization, windows | Comments Off | permalink
Notes from google ppl about their optimizations for SSL connections.
Posted in cryptography, google, http, https, Linux, openssl, performance, scalability, Security, ssl | Comments Off | permalink
“This paper compares the performance of an Online Transaction Processing (OLTP) based
Posted in benchmark, database, dba, Linux, Microsoft, performance, postgresql, redhat, sqlserver | Comments Off | permalink
PDF slides that show what happens if you create a file system with one billion (10**9 ) files
Posted in btrfs, ext3, ext4, filesystems, kernel, Linux, performance, presentation, scalability, storage, xfs | Comments Off | permalink
Confirms what was noted elsewhere: EC2 small instance is not worth the money, it performs several times slower than medium or large instances
Posted in amazon, aws, cloud, cloudcomputing, comparison, ec2, performance | Comments Off | permalink
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Konstantin Antselovich (c) 2004-2011
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