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<HTML
><HEAD
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>Modifying Your Running System</TITLE
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>4.4. Modifying Your Running System</H1
><P
>Bugzilla optimizes database lookups by storing all relatively
static information in the
<TT
CLASS="filename"
>versioncache</TT
> file, located in the
<TT
CLASS="filename"
>data/</TT
>
subdirectory under your installation directory.</P
><P
>If you make a change to the structural data in your database (the
versions table for example), or to the
<SPAN
CLASS="QUOTE"
>"constants"</SPAN
>
encoded in <TT
CLASS="filename"
>defparams.pl</TT
>, you will need to remove
the cached content from the data directory (by doing a
<SPAN
CLASS="QUOTE"
>"rm data/versioncache"</SPAN
>
), or your changes won't show up.</P
><P
> <TT
CLASS="filename"
>versioncache</TT
>
gets automatically regenerated whenever it's more than
an hour old, so Bugzilla will eventually notice your changes by itself,
but generally you want it to notice right away, so that you can test
things.</P
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