May 24, 2013

xtrabackup-0.8

Dear community, The release 0.8 of the opensource backup tool for InnoDB and XtraDB is available for download. Key features: New mode of innobackupex –stream=tar4ibd; new command tar4ibd based on libtar-1.2.11 Experimental option –export is added (see Vadim’s post “Impossible – possible, moving InnoDB tables between servers”for details) tar4ibd is made to be sure that [...]

PHP vs. BIGINT vs. float conversion caveat

Sometimes you need to work with big numbers in PHP (gulp). For example, sometimes 32-bit identifiers are not enough and you have to use BIGINT 64-bit ids; e.g. if you are encoding additional information like the server ID into high bits of the ID. I had already written about the mess that 64-bit integers are [...]

FreeBSD tests

I’m continuing my experiments with different OS and today I tested FreeBSD 6.0 on my box. (more details about box and benchmark see here http://www.mysqlperformanceblog.com/2006/06/13/quick-look-at-ubuntu-606/). Initially I was very pessimistic about FreeBSD, as results were (in transactions/sec, more is better. for comparison the results from Suse 10.0): InnoDB threads FreeBSD 6 Suse 10.0 Suse/ FreeBSD [...]