Archive for the 'patch' Category

[RUS] Dublicates on Unique Indexes / PostgreSQL Forum on SQL.RU | Появились дубли на уникальном индексе / PostgreSQL : Форум на SQL.RU

Thursday, April 1st, 2010

horror story about duplicate records in a table with UNIQUE index. The guy buid a pg himself (w/out knowing much about it), at some point pg included a patch that changed string sorting order, and that led to duplicate records. / you had to do REINDE…

Posted in dba, dublicates, horror, icu, patch, postgresql, reindex | Comments Off | permalink

Receive packet steering [LWN.net]

Thursday, November 19th, 2009

notes from LWN about RPS patch — a way to distribute incoming traffic coming from 1 source (1 NIC, 1 queue, 1 IRQ line) via multiple CPU by hashing tcp headers and distributing by hash across multiple CPU/Cores

Posted in c, for:collidr, google, kernel, Linux, network, patch, performance, programming | Comments Off | permalink

Ksplice: Rebootless Linux kernel security updates

Thursday, April 24th, 2008

new way (hopefully will be mainstream soon) to apply updates to linux kernel”on the fly”, i.e w/out need to reboot. The system is more or less a hack at this moment.

Posted in development, for:collidr, kernel, Linux, patch, reboot, Security, sysadmin, update | Comments Off | permalink