On Tue, 16.07.13 00:05, Mateusz Marzantowicz (mmarzantowicz@xxxxxxxxxxx) wrote: > On 15.07.2013 23:49, Zbigniew Jędrzejewski-Szmek wrote: > > On Mon, Jul 15, 2013 at 11:38:14PM +0200, Mateusz Marzantowicz wrote: > >> On 15.07.2013 23:06, Lennart Poettering wrote: > >>> It's a matter of finding the right balance: i.e. what can be text > >>> files, and where we have to win more by making it binary. I am pretty > >>> sure this is a case where we win more by sticking to binary files. > >>> It's totally fine if you disagree on this, but I'd still like to ask > >>> you to think about whether your specific usecase and specific > >>> requirements are strong enough to (continue to) be the default for > >>> Fedora, instead of just being your local configuration of Fedora. I > >>> mean, you should never forget that on your own machines everything > >>> will stay as is: you will install syslog, and things will be exactly > >>> as before. Lennart > >> So maybe we (Fedora) should go with XML instead of binary or some > >> dedicated RDMBS for storing system logs? I'm not against binary log > >> format but try to understand why it's superior to text and also why > >> something more sophisticated isn't used if we really need this > >> additional meta data that could not be included in plain text? > > With a binary format you can have an index of field -> offset, > > hash->offset, etc., and then you can jump to this offset and read data > > there. With text files, and with XML files, this is not possible, at > > least not in any sane way. Efficiency would be much worse too. > > > > OK, XML is also text so my alternative is a bit illusory but .... it > could be represented as DOM nodes and could be indexed easier and more > efficiently. Please, see how good is XML implementation in PostgreSQL. > You can say, it's too much and too complicated for stupid system logs to > go with fully blown RDBMS solution, but hey, really? Yes. Really. Lennart -- Lennart Poettering - Red Hat, Inc. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
