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(mysql.info)BDB TODO

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Some things we need to fix for BDB in the near future:
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   * It's very slow to open many BDB tables at the same time. If you are
     going to use BDB tables, you should not have a very big table
     cache (> 256 ?) and you should use `--no-auto-rehash' with the
     `mysql' client.  We plan to partly fix this in 4.0.

   * `SHOW TABLE STATUS' doesn't yet provide that much information for
     BDB tables.

   * Optimize performance.

   * Change to not use page locks at all when we are scanning tables.