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PostgreSQL 9 Administration Cookbook - Second Edition
book

PostgreSQL 9 Administration Cookbook - Second Edition

by Simon Riggs, GIANNI CIOLLI, Hannu Krosing, Gabriele Bartolini
April 2015
Intermediate to advanced content levelIntermediate to advanced
504 pages
11h 41m
English
Packt Publishing
Content preview from PostgreSQL 9 Administration Cookbook - Second Edition

Removing old prepared transactions

You may have been routed here from other recipes, so you might not even know what prepared transactions are, let alone what an old prepared transaction looks like.

The good news is that prepared transactions don't just happen; they happen in certain specific situations. If you don't know what I'm talking about, it's OK! You won't need to, and better still, you probably don't have any prepared transactions either.

Prepared transactions are part of the two-phase commit feature, also known as 2PC. A transaction commits in two stages rather than one, allowing multiple databases to have synchronized commits. Its typical use is to combine multiple so-called resource managers using the XA protocol, usually provided by ...

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Publisher Resources

ISBN: 9781849519069Supplemental Content