Author Archives: ivanov

EXSLT

By ivanov | Published: June 22, 2009
Today I needed to do some dateTime formatting in XSLT 1.0 and I found that it was not an easy task. After digging in Google I found really nice  dateTime functions but all of them were available in XSLT 2.0 .Of course I am using  MSXML 6.0 coming with .NET and that’s the last version. [...]
Posted in .NET, XML, XSLT | Tagged , , | Leave a comment

Set ulimit parameters on ubuntu

By ivanov | Published: June 4, 2009
By default the number of open files  pro user in Ubuntu 8.04   is 1024. In my case this number was  too small so I have to increase it.This is done with the  ulimit command: $ulimit -a   # see all the kernel parameters $ulimit -n   #see the number of open files $ulimit -n 9000  #  set the number open [...]
Posted in DBT2, Ubuntu | Tagged , | 1 Comment

Benchmarking with DBT2

By ivanov | Published: May 10, 2009
DBT2  is an open source benchmark like TPC-C for databases (mainly  MySQL and PostgreSql ). The goal of this post is to list some links on DBT2 usage: DBT2 report example DBT2 scores Jenny Chen’s Weblog on Performance DBT2 Core Dev Team MySQL Cluster Database 7: Performance Benchmark PostgreSql Git repository with all materials PostgreSQL Portland Performance Practice Project – [...]
Posted in Benchmarks, DBT2, MySQL, PostgreSQL | Tagged , , , , | Leave a comment

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