Re: High CPU load on Postgres Server during Peak times!!!!

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Dave Dutcher wrote:
You need a COMMIT for every BEGIN.  If you just run a SELECT statement
without first beginning a transaction, then you should not end up with a
connection that is Idle in Transaction.  If you are beginning a transaction,
doing a select, and then not committing, then yes that is a bug.

The BEGIN can be hidden, though.  For example, if the application is written in Perl,

 $dbh = DBI->connect($dsn, $user, $pass, {AutoCommit => 0});

will automatically start a transaction the first time you do anything.  Under the covers, the Perl DBI issues the BEGIN for you, and you have to do an explicit

 $dbh->commit();

to commit it.

Craig



--
Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux