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Fascinating difference between FSFS and BDB.

From: <kfogel_at_collab.net>
Date: 2005-01-11 22:22:03 CET

So don't ask me why, I got it into my head to try this:

   #!/bin/sh
   
   TYPE=you_must_set_this_to_either_fsfs_or_bdb
   # TYPE=fsfs
   # TYPE=bdb
   
   URL=file://`pwd`/repos/
   rm -rf repos wc
   svnadmin create --fs-type=${TYPE} repos
   svn co ${URL} wc
   svn propset svn:externals "wc ${URL}" wc
   svn ci -m "Set recursive externals property." wc
   rm -rf wc
   echo "Begin infinite loop..."
   svn co ${URL} wc
   # You'll never see this next line.
   echo "End infinite loop."

Here's the interesting thing:

With TYPE=fsfs, it runs forever. But with TYPE=bdb, it stops at a
certain point -- it seems the database hangs, though I haven't
investigated deeply. Too many simultaneous accessors? I don't know.
As I'm working on something else right now, I thought I'd post this.

-Karl

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Received on Tue Jan 11 22:29:43 2005

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