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October 2011

W-ASH : Web Enabled ASH

I’m excited about the ease of creating rich user applications  that are web enabled  given the state of technology now. JavaScript and JQuery have gone from being disdained as “not a very serious” language to moving towards the limelight of front and center.

Here is a small example.

Download the following file:  W-ASH (web enabled ASH, file is wash.tar.gz )

Go to your apache web server root, in my case on redhat Linux is

# cd /usr/local/apache2
# gzip -d wash.tar.gz
# tar xvf wash.tar
-rwxr-xr-x  21956  14:08:21 cash.sh
-rw-r--r--  30881  11:52:10 htdocs/ash.html
drwxr-xr-x      0  15:40:52 htdocs/js/
-rwxr-xr-x  10958  14:04:42 cgi-bin/json_ash.sh

(the directory htdocs/js has a number of files put into it from Highcharts. I edited them out to make the output cleaner)

There are 3 basic files

UltraEdit 2.3 for Mac Available…

UltraEdit 2.3 for Mac is now available. You can get the download here. The change log is here.

Previous releases have coincided with the Linux release. Let’s hope 2.3 for Linux will come soon!

Cheers

Tim…




I really liked this one...

I answer lots of questions about Oracle.  Many of them are ambiguous, unclear, not fully specified, hard to follow.  It is like unraveling a puzzle sometimes (ok, most of the times...)

That is why I found this question to be really amusing - especially after reading the comments.  Lots of disagreement as to the meaning of the question!

So, what do you think the answer is... I'll post what I think after I see some feedback.  It is a very very interesting question.

And it also points to why I think the answer to all questions is mostly "Why" or "It depends".  We usually need a lot more information to answer what might appear to be simple questions.

Apologies

.. both to my readers, and to those waiting for the latest (and late) book.

I’ve been so busy for the last three weeks that I’ve had virtually no time for any serious blogging, or even for answering existing comments. Apart from checking and returning the proofs for the book as fast as Apress sends them to me, I’ve also been busy travelling and doing “proper” work – and I now find that it’s been nearly three weeks since I last published anything

Oracle ASS - one time it will save yours !

For those who don't know Oracle ASS - it's an awk script that is hidden in Oracle's LTOM (aka Lite Onboard Monitoring).
You can download it from metalink - see note ID 352363.1.
It's an awk script that formats system state dumps. I now and then use it to format massive trace files to something I can actually use.

Auto DOP And Direct-Path Inserts

This is just a short note about one of the potential side-effects of the new Auto Degree Of Parallelism (DOP) feature introduced in 11.2.

If you happen to have Parallel DML enabled in your session along with Auto DOP (and here I refer to the PARALLEL_DEGREE_POLICY = AUTO setting, not LIMITED) then it might take you by surprise that INSERT statements that are neither decorated with a parallel hint nor use any parallel enabled objects can be turned into direct-path inserts.

Mystats utility

A variation on Jonathan Lewis's SNAP_MY_STATS package to report the resource consumption of a unit of work between two snapshots. Designed to work under constrained developer environments, this version has enhancements such as time model statistics and the option to report on specific statistics. ***Update*** Now available in two formats: 1) as a PL/SQL package and 2) as a free-standing SQL*Plus script (i.e. no installation/database objects needed). June 2007 (updated October 2011)

Runstats utility

A variation on Tom Kyte's invaluable RUNSTATS utility that compares the resource consumption of two alternative units of work. Designed to work under constrained developer environments and builds on the original with enhancements such as "pause and resume" functionality, time model statistics and the option to report on specific statistics. ***Update*** Now available in two formats: 1) as a PL/SQL package and 2) as a free-standing SQL*Plus script (i.e. no installation/database objects needed). January 2007 (updated October 2011)

Troubleshooting Oracle agent 12.1.0.1.0

As you may have read on this blog I recently moved from Oracle Enterprise Manager 11.1 GRID control to the full control of the cloud-12.1 has taken its place in the lab.

I also managed to install agents via self download (my OEM is x86 to reduce the footprint) on a 2 node 11.2.0.3 cluster: rac11203node1 and rac11203node2. After a catastrophic crash of both nodes followed by a reboot none of the agents wanted to report back to the OMS.

The difference

Oracle 12.1 has a new agent structure: where you used the agent base directory in previous releases to create the AGENT_HOME this now changed. In 11.1 I could specify the agent base to be /u01/app/oracle/product, and OUI would deploy everything in a subdirectory it creates, called agent11g (or agent 10g for 10.2.x).

Now I set the agent base to the same value and installed my agents in parallel, but found that there is no agent12c directory under the base. Instead I found these:

Friday Philosophy – When Things Feel Wrong

I got pinged by someone else missing the Friday Philosophy today {BTW, Good news, the technical blogs start again on Monday}, so…

Take a look at the below. It is a rather pleasant spot of countryside on Sao Migel in the Azores, where the area in the foreground has been converted into a bit of a garden to take advantage of the natural beauty.