Nigel Metheringham writes
>
> As ever I am jumping in without reading the code, but in general unless
> the tidydb process is rewriting the db (ie reading old file, writing
> relevant bits into new file), there will be no block reclamation here, so
> unless you truncate the overall length of the file (in which case you
> reclaim the final set of blocks).
tidydb just rewrites and deletes records at the dbm interface level. I doubt
whether ndbm implementations use fcntl(fd,F_FREESP,...) to free up allocated
blocks when they can, but I suppose it is possible.
> I guess over time the file would tend to fill in as the keyspace is used
> up..
Chris Thompson Cambridge University Computing Service,
Email: cet1@??? New Museums Site, Cambridge CB2 3QG,
Phone: +44 1223 334715 United Kingdom.
