Archive for the 'Computers' Category
HAProxy – The Reliable, High Performance TCP/HTTP Load Balancer
Friday, May 6th, 2011HA Proxy [synthetic] benchmarks on 10Gbit traffic. Linux network stack is the bottle neck here, not HAProxy, i.e. you can 10G line rate on big frames and few connections.
HAProxy – The Reliable, High Performance TCP/HTTP Load Balancer
Friday, May 6th, 2011OTN Discussion Forums : SQL*Plus 10.2.0.1.0 does not work on … | times(NULL) = loop
Friday, May 6th, 2011It appears to be an interesting bug in some versions of Oracle 10g, on Linux 2.6.x oracle process goes in loop doing times() system call if machine uptime < 199 days. Nice!!! / Oracle refs are bug 4612267 and 5867987 ) . The solution is to reboot.
LastPass : The last password you’ll have to remember: LastPass Security Notification
Thursday, May 5th, 2011Online password keeping service LastPass.com reports that it is possible that they were 0wned. (how nice!) In the same time, PastPass seems to be doing the right things: they had a monitoring in place, so they have detected an anomaly in traffic. As …
Sören Bleikertz – On Amazon EC2′s Underlying Architecture
Friday, April 29th, 2011Some description of EC2 Internals. EC2s are XEN VMs, mine is currently using Xen 3.0.3-rc5-8.1.14.f , which appears to be
F14 Xen package re-build on RHEl5.x (this is by looking at compiler version) . Some info in the article appears to a bit o…
MySQL Benchmarks – MySQL 5.0.92 vs 5.1.55 vs 5.5.10 vs Percona 5.1.55 vs Percona 5.5.8 vs MariaDB 5.2.5 | vbtechsupport.com
Saturday, April 23rd, 2011Sysbench-based benchmark comparing OLTP workloads for different builds and forks of MySQL on 64-core intel machine (Quad Intel Xeon L7555 ) . Only one definitive result is that MySQL cannot scale beyond 8 or 16 cores, or in some cases beyond just 2 cor…
Dropbox Lack of Security – Miguel de Icaza
Thursday, April 21st, 2011“This announcement means that Dropbox never had any mechanism to prevent employees from accessing your files, and it means that Dropbox never had the crypto smarts to ensure the privacy of your files and never had the smarts to only decrypt the files f…
Security Incident — Blog — WordPress.com [ wordpress.com got 0wned]
Wednesday, April 13th, 2011this is just great … at least they notified their users in a timely manner. Change your passwd if you have wordpress.com account.
[Amazon AWS] PCI DSS Level 1 Compliance FAQs
Thursday, April 7th, 2011Amazon AWS is “PCI DSS 2.0 Level 1 -compliant Shared Hosting Provider”. i.e. you can build your PCI-DSS compliant infrastructure using EC2, S3, EBS and VPC to store and process payment card data