I have a problem in that the first time someone performs a search for 'objectclass=*' after slapd is restarted, the server is really bogged down for a while. Once the search has completed once, this is not a problem. I assume that's due to the IDL cache. However, I currently have to keep the server unavailable after restarting slapd for upwards of half an hour while I do an 'objectclass=*' search the first time.
Does your server have an index for objectclass?
-- Frank Swasey | http://www.uvm.edu/~fcs Sr Systems Administrator | Always remember: You are UNIQUE, University of Vermont | just like everyone else. "I am not young enough to know everything." - Oscar Wilde (1854-1900)
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