database problems in Mojave

[Perry E. Metzger]

I've been having some persistent slowness with registry operations
in Mojave. I suspect some sort of sqlite3 update issue. Symptoms have
included very slow scans for port prerequisites and very very slow
registration of the files in ports with huge numbers of files like
texlive-fonts-extra. I ran the optimize pragma over the database once
and it helped a bit but the problems seem to have come back. Some
operations have taken tens of minutes.

Help with debugging this is solicited.

Trac ticket is https://trac.macports.org/ticket/57171

Perry
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Perry E. Metzger		pmetzger at macports.org