back-llog

[Howard Chu <hyc@symas.com>]

Was just thinking we could do a quite simple backend for use with the 
accesslog overlay and delta-syncrepl. It would write into flat files and do 
typical logfile rotation on its own. The backing store would have a minimum of 
two files - one for the suffix entry, one for the current chunk of logs. There 
would be a configurable number of logfiles, with the oldest simply being 
deleted when it's time to purge. It would only support Add/Search in general, 
and Modify on the suffix entry.

A rolling append-only format like this would allow much higher throughput for 
accesslog recording. Using a binary entry format would of course also help.
--
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/