PgConf.Siberia 2019

Can the old dog be taught new tricks? The simple and reliable tool pg_dump has never been so convenient as it is now. The story about how the good old pg_dump became a powerful tool for production and a great assistant for DBA. New features, benefits and cases of their use.

When migrating data from one DBMS to another, the question arises: choose a third-party tool or to program the migration yourself? Companies, trying to grow competencies within themselves, choose the second option. And they come across the "invention of their own bicycles". However, the market has powerful free data migration tools. One such tool is Pentaho Data Integration, part of the Pentaho Community Edition. The report will discuss the use of this package for data migration between Oracle and PostgreSQL. Particular attention will be paid to the problems with using this tool, and to the tasks of testing for the completeness and integrity of migrated data.

The report describes a simple and effective way to migrate configuration and historical data of Zabbix monitoring system from Oracle to PostgreSQL.

1C is not able to work out of the box with several DB instances at once, so switching "out of the box" of 1C to a replica in case of failure of the wizard and back does not exist. In my report, I want to talk about approaches to such switching and several options for its implementation.