DBIx::DSN::Resolver::Cached - Cached resolver for DBIx::DSN::Resolver
use 5.10.0; use DBIx::DSN::Resolver::Cached; sub connect_db { state $resolver = DBIx::DSN::Resolver::Cached->new( ttl => 30, negative_ttl => 5, ); my $dsn = $resolver->resolv('dbi:mysql:database=mytbl;host=myserver.example'); DBI->connect($dsn,'user','password'); }
DBIx::DSN::Resolver::Cached is extension module of DBIx::DSN::Resolver. This module allows CACHE resolver response, useful for reduce load of DNS. DBIx::DSN::Resolver::Cached also supports DNS-RR
positive cache ttl in seconds. (default: 5)
negative cache ttl in seconds. (default: 1)
Cache object, requires support get and set methods. default: Cache::Memory::Simple is used
shortcut function for
state $resolver = DBIx::DSN::Resolver::Cached->new(); $resolver->resolv('dbi:mysql:database=mytbl;host=myserver.example')
To customize ttl, negative_ttl and cache object. override $DBIx::DSN::Resolver::Cached::RESOLVER
my $other_ttl = DBIx::DSN::Resolver::Cached->new( ttl => .. ); sub { local $DBIx::DSN::Resolver::Cached::RESOLVER = $other_ttl; dsn_resolver($dsn); }
Masahiro Nagano <kazeburo {at} gmail.com>
DBIx::DSN::Resolver, Cache::Memory::Simple
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
To install DBIx::DSN::Resolver::Cached, copy and paste the appropriate command in to your terminal.
cpanm
cpanm DBIx::DSN::Resolver::Cached
CPAN shell
perl -MCPAN -e shell install DBIx::DSN::Resolver::Cached
For more information on module installation, please visit the detailed CPAN module installation guide.