Category Archives: Uncategorized

Oracle database operating system memory allocation management for PGA

This post is about memory management on the operating system level of an Oracle database. The first question that might pop in your head is: isn’t this a solved problem? The answer is: yes, if you use Oracle’s AMM (Automatic Memory Manageme…

Watch: Hadoop vs. Riak

Every data platform has its value, and deciding which one will work best for your big data objectives can be tricky—Alex Gorbachev, Oracle ACE Director, Cloudera Champion of Big Data, and Chief Technology Officer at Pythian, has recorded a series of …

Develop against the versions in the Yum repositories!

I saw a tweet by Simon Haslam at the weekend that read,
“I’m v surprised to read that @Atlassian Stash needs newer git than in the latest RHEL/OL6 repos!”
I had a similar experience at the weekend too, but this time with Oracle REST …

Day 3+ of UKOUG Tech 14

Sorry it’s taken a couple of days to finish off this series of blog posts on UKOUG Tech 14. I had expected to get some time on the trip back to write this, but as you’ll see if you keep reading, that really didn’t happen. So let&#82…

EM12c Management Agent, OutOfMemoryError and Ulimits

While enjoying the lovely Liverpool, UK weather at Tech14 with UKOUG, (just kidding about that weather part and apologies to the poor guy who asked me the origin of “Kevlar” which in my pained, sleep-deprived state I answered with a strange…

Log Buffer #401, A Carnival of the Vanities for DBAs

This Log Buffer Edition goes right through the fields of salient database blog posts and comes out with something worth reading.

Oracle:
Extract SQL full text from SQL Monitor html.
Disruption: Are Hot Brands Breaking the Rules?
Understanding Flash: U…

push_pred – evolution

Here’s a query (with a few hints to control how I want Oracle to run it) that demonstrates the difficulty of trying to solve problems by hinting (and the need to make sure you know where all your hinted code is):

select
/*+
qb_name(…

Fragile Manifesto

The Fragile Manifesto has been moved to a new location.
Fragile Manifesto
Cheers
Tim…
Fragile Manifesto was first posted on December 12, 2014 at 10:50 am.©2012 “The ORACLE-BASE Blog”. Use of this feed is for personal non-commercial use only. If …

Fedora 21 : Oracle 11g and 12c Installations

Fedora 21 has arrived and it’s now delivered in three focussed flavours (Workstation, Server and Cloud). This of course resulted in the usual articles from me.

Fedora 21 (F21) Installation
Oracle Database 11g Release 2 (11.2) Installation On Fed…

Review of Synology DS415+, How to Add Memory to the DS415+, Web Pages Not Databases

December 19, 2014 As frequent readers of this blog likely know, I have not posted very many articles recently.  It seems that lately I struggle to find time to post interesting items to the blog, which is mostly focused on Oracle Database notes, so t…