[CentOS] ext4 in CentOS 5.6?

On 07/05/11 7:10 AM, Charles Polisher wrote:
> In general and with some simplifiying assumptions, a database
> consists of statically pre-allocated files. The process of extending
> the files happens at birth. The relative speed over the lifetime
> of the database is dominated by raw I/O, not by extending the files.

thats not even remotely true of many databases.  PostgreSQL, for 
example, the files are extended as they are updated/inserted, as are the 
WAL files.



-- 
john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast