Mnesia tables: load times and sizes after deletion
Mon Aug 18 11:47:00 CEST 2003
Bruce Fitzsimons writes:
> > The file size should adjust at every log dump,
> > and a load time of minutes seems a bit slow, perhaps, but
> > I wouldn't want to swear that it's abnormal.
> How can I force a log dump?
> Do they happen periodically under Mnesia or do I
> need to initiate a backup or something?
Default it's every thousend write or third minute if I remember correctly.
But that moves the updates (for disc_copies) to another log TAB.DCL which
contains the table specific updates. A new DCD file is generated when
the DCL is larger than 1/4 of the DCD size.
> I've never seen the internals of
> Mnesia documented to this extent (although whenever I say this it is
> immediately pointed out in the place I've been looking...).
> Thanks for the help.
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