Earlier this month, I announced the new syslog-ng 3.0 git tree, adding a lot of new features to syslog-ng Open Source Edition. I thought it'd be useful to describe the new features with some more details, so this time I'd write about message parsing. First of all, the message structure was a bit generalized in syslog-ng. Earlier it was encapsulating a syslog message and had little space to anything beyond that. That is, every log message that syslog-ng handled had date, host , program and message fields, but syslog-ng didn't care about message contents. This has changed, a LogMessage became a set of name-value pairs , with some "built-in" pairs that correspond to the parts of a syslog message. The aim with this change is: new name-value pairs can be associated with messages through the use of a parsing. It is now possible to parse non-syslog logs and use the columns the same way you could do it with syslog fields. Use them in the name of files, SQL tables or c...
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