Pgcluster - Mitani

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Technologie Business

PGCluster-II
Clustering system of PostgreSQL
using Shared Data

Atsushi MITANI - mitani@sraw.co.jp

HA

First Italian PostgreSQL Day
PGDay 2007 – July 6,7 2007 – Prato, Italy

Agenda

Requirement
PGCluster
New Requirement
PGCluster-II
Structure and Process sequence
Pros Cons

As a background

Requirement
PGCluster
New Requirement
PGCluster-II
Structure and Process sequence
Pros Cons

Original requirement


Target application

Web application

Heavy session load

High availability

with ordinary servers

No down time

High performance for data read

More than 90% sessions were data read query.

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Pgcluster - Mitani

1. PGCluster-II Clustering system of PostgreSQL using Shared Data Atsushi MITANI - mitani@sraw.co.jp HA First Italian PostgreSQL Day PGDay 2007 – July 6,7 2007 – Prato, Italy

2. Agenda Requirement PGCluster New Requirement PGCluster-II Structure and Process sequence Pros Cons

3. As a background Requirement PGCluster New Requirement PGCluster-II Structure and Process sequence Pros Cons

4. Original requirement  Target application  Web application  Heavy session load  High availability  with ordinary servers  No down time  High performance for data read  More than 90% sessions were data read query.