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Top Forums Programming Best way to dump metadata to file: when and by who? Post 302330035 by otheus on Tuesday 30th of June 2009 05:07:09 AM
Old 06-30-2009
Wow, what a question. Are you re-engineering a database system?
Quote:
- When and how it's best time to dump the tables to a file?
On slightly-less than gigabyte boundaries. Actually, 256 kB blocks also work very well.
Quote:
- Who should dump the metadata produced to file? Different thread?
If it's in a different thread, what's the point? You can't just free the memory if the other thread still has a lock on it.
Quote:
What policy should I use to load the data
I don't think that's answerable unless one really knows your existing software architecture.
 

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PPI::Token::QuoteLike(3)				User Contributed Perl Documentation				  PPI::Token::QuoteLike(3)

NAME
PPI::Token::QuoteLike - Quote-like operator abstract base class INHERITANCE
PPI::Token::QuoteLike isa PPI::Token isa PPI::Element DESCRIPTION
The "PPI::Token::QuoteLike" class is never instantiated, and simply provides a common abstract base class for the five quote-like operator classes. In PPI, a "quote-like" is the set of quote-like things that exclude the string quotes and regular expressions. The subclasses of "PPI::Token::QuoteLike" are: qw{} - PPI::Token::QuoteLike::Words `` - PPI::Token::QuoteLike::Backtick qx{} - PPI::Token::QuoteLike::Command qr// - PPI::Token::QuoteLike::Regexp <FOO> - PPI::Token::QuoteLike::Readline The names are hopefully obvious enough not to have to explain what each class is. See their pages for more details. You may note that the backtick and command quote-like are treated separately, even though they do the same thing. This is intentional, as the inherit from and are processed by two different parts of the PPI's quote engine. SUPPORT
See the support section in the main module. AUTHOR
Adam Kennedy <adamk@cpan.org> COPYRIGHT
Copyright 2001 - 2011 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.18.2 2011-02-25 PPI::Token::QuoteLike(3)
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