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Full Discussion: Excessive Paging&Swapping!
Top Forums UNIX for Advanced & Expert Users Excessive Paging&Swapping! Post 34803 by TRUEST on Thursday 13th of March 2003 11:27:03 AM
Old 03-13-2003
It really isn't as complicated as people are making it.

If your experiencing excessive paging and swapping like you said, get a verification report from the output of commands like iostat, vmstat, sar -wpgr 5, ps and then send it to the person in charge of adding memory to the system. Have him study the report and determine if a memory upgrade is needed.

If you find out that the excessive swapping or whatever problem your having is because of memory shortage, you might wanna try a few things (for the main time) before deciding to buy and install new memory. I suggest you take a good look at ps and find out the processes that take up a lot of memory or processes that accumulate a lot of time. Contact the Users who owns this processes and ask if you can reschedule the processes to run at a later time when the load on the system is light. Or you can ask the user if you can renice the job to run at a lower priority.

Thats all there is to it, my man.
 

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DBIx::Class::Storage::DBI::Oracle::WhereJoins(3pm)	User Contributed Perl Documentation	DBIx::Class::Storage::DBI::Oracle::WhereJoins(3pm)

NAME
DBIx::Class::Storage::DBI::Oracle::WhereJoins - Oracle joins in WHERE syntax support (instead of ANSI). PURPOSE
This module is used with Oracle < 9.0 due to lack of support for standard ANSI join syntax. SYNOPSIS
DBIx::Class should automagically detect Oracle and use this module with no work from you. DESCRIPTION
This class implements Oracle's WhereJoin support. Instead of: SELECT x FROM y JOIN z ON y.id = z.id It will write: SELECT x FROM y, z WHERE y.id = z.id It should properly support left joins, and right joins. Full outer joins are not possible due to the fact that Oracle requires the entire query be written to union the results of a left and right join, and by the time this module is called to create the where query and table definition part of the SQL query, it's already too late. METHODS
See DBIx::Class::SQLMaker::OracleJoins for implementation details. BUGS
Does not support full outer joins. Probably lots more. SEE ALSO
DBIx::Class::SQLMaker DBIx::Class::SQLMaker::OracleJoins DBIx::Class::Storage::DBI::Oracle::Generic DBIx::Class AUTHOR
Justin Wheeler "<jwheeler@datademons.com>" CONTRIBUTORS
David Jack Olrik "<djo@cpan.org>" LICENSE
This module is licensed under the same terms as Perl itself. perl v5.14.2 2011-05-10 DBIx::Class::Storage::DBI::Oracle::WhereJoins(3pm)
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