Performance Archives - Patrick Wessel

März 3, 2020

SAP Online Tablespace Reorg unter Oracle

Ich werde hier ausführlich beschreiben wie man eine SAP Oracle Datenbank mit Hilfe der SAP brtools online reorganisieren kann. Die kleinen Helfer sind schon…

Juni 6, 2013

Oracle „log file sync“ – Zeiten per Script auswerten

Um eine schnelle Übersicht über die log file sync Zeiten im Oracle zu erhalten bietet sich folgendes kleines Script an. Es gibt die Durchschnittswerte…

April 8, 2013

Schnell, schneller, rman (Backup und Restore)

Für ein schnelles Backup der Oracle Datenbank hat man, wenn man Glück hat, eine schnelle Backup Infrastruktur. Aber auch die schnellste Infrastruktur ist einfach…

August 22, 2012

LONG-Field Tabellen und die online Reorganisation

Wenn man einen Tablespace reorganisieren möchte kann man dies in der Regel online als auch offline tun. Beide Verfahren haben ihre Vor- und Nachteile….

Januar 30, 2012

Oracle Commit Performance – Filesystem I/O

Wenn man im SAP System feststellt, dass die Commit Performance unter steigender Last immer schlechter wird muss das nicht zwangsläufig etwas mit falscher Parametrisierung…

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