Re: About configuring I/O on Linux...

2006-10-24 Thread Martin Cordova
Hello Henrik: Thank you very much for the feedback. Considering my ignorance on the subject, and after reading a little more about the subject of kernel 2.6, Async I/O, O_DIRECT and raw devices, I understand: * RAW seems to be a little outdated in kernel 2.6 * With a linux kernel 2.6, a combina

Re: About configuring I/O on Linux...

2006-10-24 Thread Henrik Hempelmann
On 24.10.2006, at 20:09, Martin Cordova wrote: Hello: I am reading latest MaxDB online docs, and found this: 1) USE_OPEN_DIRECT Q: do you recommend this on a Linux w/kernel 2.6? which Filesystems make sense for this parameter? I/O performance depends on a lot of parameters: controller, cac

About configuring I/O on Linux...

2006-10-24 Thread Martin Cordova
Hello: I am reading latest MaxDB online docs, and found this: 1) USE_OPEN_DIRECT Q: do you recommend this on a Linux w/kernel 2.6? which Filesystems make sense for this parameter? 2) "Only for UNIX/Linux: do not use hard disks with a journal file system for the volumes. Journal file systems pe