Daniel Westermann

Oracle OGG JAGENT 12.2 installation for GoldenGate monitoring using the Cloud Control plugin

This post is mainly for self documentation as I have to search my old notes every time I want to do this (I am faster by searching on our blog :) ): If you want to monitor GoldenGate with Cloud(…)

A new OGG challenge: Migrate an Oracle 8.1.7.4 instance to 10.2.0.5

Yes, these beasts still exist in production: [/u01/appl/ora817]$ sqlplus /nolog SQL*Plus: Release 8.1.7.0.0 - Production on Thu Apr 27 09:54:20 2017 (c) Copyright 2000 Oracle Corporation. All rights reserved. SQL> connect / as sysdba Connected. SQL> select * from v$version;(…)

Save the date: Swiss PGDay 2017

The 30th of June is not too far away and if you want to learn more about the “World’s most advanced open source database” you should register soon. The sessions are not yet officially announced but(…)

Does the wal segment size matter in PostgreSQL?

In PostgreSQL you configure the size of the wal (write ahead log) segments when you compile from source. If you use an installer or if you use the packages provided by your OS distribution the size of the(…)

OGG: Patch 17030189 is required on your Oracle mining database for trail format RELEASE 12.2

Another GoldenGate 12.2 one: Some days ago I had this in the GoldenGate error log: 2017-04-12 14:56:08 WARNING OGG-02901 Oracle GoldenGate Capture for Oracle, extimch.prm: Replication of UDT and ANYDATA from redo logs is not supported with the(…)

Listing the extensions available in PostgreSQL

When you follow this blog regularly you probably already now that PostgreSQL is highly extensible. There are quite a couple of extension which ship by default and are ready to use. How can you know what is(…)

In-core logical replication will hit PostgreSQL 10

Finally in PostgreSQL 10 (expected to be released this September) a long awaited feature will probably appear: In-core logical replication. PostgreSQL supports physical replication since version 9.0 and now the next step happened with the implementation of logical replication. This(…)

8 + 1 = 9, yes, true, but …

Btw: If you really would do that (the screen shot is from 12.1.0.2): SQL> alter system set sga_target=210m scope=spfile; System altered. SQL> alter system set sga_max_size=210m scope=spfile; System altered. SQL> alter system set pga_aggregate_target=16m scope=spfile; System altered. SQL>(…)

Failed to set logmining server parameter MAX_SGA_SIZE to value XX

When you see something like this in your GoldenGate error log when you try to start an extract: 2017-04-12 14:51:38 ERROR OGG-02039 Oracle GoldenGate Capture for Oracle, extxxx.prm: Failed to set logmining server parameter MAX_SGA_SIZE to value 24. 2017-04-12 14:51:38(…)

PostgreSQL 10 is just around the corner, time to dare the switch?

Some days ago Robert Haas published a great blog post about the features you can expect for the upcoming PostgreSQL 10 (probably in September this year). Beside of what Robert is describing in his blog: Do you(…)