Martin,
Both questions aren't related to mod_perl. Please use comp.lang.perl.misc
or other appropriate forums instead! Thank you!
> I was trying to use either DBM_File or IPC::Shareable to handle about
> 100M data locally without a separate database machine. The data
> structure I tried to store was a complex Hash with hash and array
> inside( actually use MLDBM for nested Hash and array, IPC::Shareable
> for nested Hash). The underlying store modules tied were Storable and
> Data::Dumper. But one error always occur ->the serial store will
> return negative error no. usually (-1,220). Another weird thing I
> obsereved is that the file size reported by 'ls' deosn't agree with
> the actually disk usage. My last try was to load approx 100MB data
> into a MLDBM file. It failed when almost finishing loading all data
> because a store failed. 'ls' report the file size was about 1.169GB,
> while the partition was only about 250MB. 'du' showed the correct
> usage, it was about 100MB. Can anyone here tell me what is the exact
> problem here, and whether it is possible to handle about 50MB at least
> with these methods.
>
> Another related question is when tie the MLDBM file, what fcntl open
> mode should be use, if I need to do minor update when several
> processes are using the same file, i.e. Whether it can be shared among
> processes for read/write. If MLDBM cannot, whether Berkeley DB_file
> can do the job?
>
> Comments appreciated!
>
> -Martin
>
>
>
>
_______________________________________________________________________
Stas Bekman mailto:[EMAIL PROTECTED] www.singlesheaven.com/stas
Perl,CGI,Apache,Linux,Web,Java,PC at www.singlesheaven.com/stas/TULARC
www.apache.org & www.perl.com == www.modperl.com || perl.apache.org
single o-> + single o-+ = singlesheaven http://www.singlesheaven.com
