My Blog List
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Moving Databases from ASM to ZFS on Exadata
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Exadata is the best database machine available to run every Oracle database
workload. But many times, within Exadata proliferate a large number of test
a...
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Fast SPLIT PARTITION operation is unusually slow
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I recently observed that the total time taken to split an empty partition,
in 10.2.0.5, has increased by many fold—i.e. from under 30 seconds to 60
minutes...
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Favorite Free Applications to Troubleshoot Visual Manufacturing and Windows
– Part 10 Wireshark
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January 2, 2021 I have been working with Infor Visual Manufacturing ERP
system for roughly 21 years now, and have been assisting users at other
companies w...
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latency heatmaps in D3 and Highcharts
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See Brendan Gregg’s blog on how important and cool heatmaps can be for
showing latency information and how average latency hides what is really
going on: ...
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ADHD and Tech
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I’ve just returned from Data Saturday Oslo and Data Saturday Dallas, and
tomorrow I’m off to Oracle Cloud World. Both
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pgbouncer and slow server pool increase
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This post is about an issue I ran into when trying to use pgbouncer in
front of Yugabyte YSQL, the postgres layer yugabyte reuses for handling
relational d...
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Use Snowflake and Zepl to Analyse Covid-19 (coronavirus) Data
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Coronavirus changed our life, most of us are stuck at home. We are trying
to follow everything about the pandemic. So I wanted to write a blog post
which w...
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New Index enhancement in Oracle 12c Part 2 – Partial indexes on partitioned
tables
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In the article, you will have a look at the partial indexes available
since Oracle 12c. The partial indexes enable us to index only certain
partitions of...
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Oracle Cloud & Third party tools
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There have been several buzz words and offerings since the invention of
Cloud concepts. We have been hearing of Private Cloud, Public Cloud, Hybrid
cloud a...
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The ACE Scorecard
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The newly introduced “Oracle ACE Program Scorecard” felt like I did a
timesheet of my Oracle online footprint for the entire year. Spent most of
the day (a...
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Speaking At Oracle CloudWorld
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For the first time in a few years I’ll be speaking at Oracle’s annual
conference! I’m doing a joint session w/ a couple of the good guys from
Oracle (Nages...
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PGIO Update
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PGIO is the SLOB method for PostreSQL. An old friend of mine, Bart Sjerps,
has implemented a modified PGIO in Python and posted it on Github:
https://githu...
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negative regexp
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if you want to grep anything except foo, use grep -v or negative lookahead
echo -e 'foo\nbar\nboz'|grep -P '^(?!.*foo).*$' bar boz it is just so
beautiful ...
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Updating Exadata Database Nodes (2)
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Just a small note that starting Exadata 12.2.1.1.0 dbnodeupdate.zip is no
more available as a separate download. Exadata Database Node updates should
be ap...
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What’s new in Multilingual Engine 23.5: Operator Overloading
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New features are introduced to JavaScript/Multilingual Engine (MLE) in
Oracle Database 23ai constantly, even though they might not always be
end-user visib...
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Oracle Cloud Marketplace GoldenGate Classic Environment
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To launch Goldengate via GGSCI we need to enter “ggsci” followed by the
“version” -bash-4.2$ which ggsci /usr/local/bin/ggsci -bash-4.2$ ggsci
Usage: /us...
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OJVM and DBA_REGISTRY_SQLPATCH
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I woke up this morning and did what I do most days - doomscroll through
twitter. One of the benefits of being in the US is that there are usually
some inte...
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Visualizing Vision Transformer Embedding Vectors as Heatmaps Videos
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Following my earlier Visualizing and Comparing Embedding Vectors as
Heatmaps article, here are the launch & demo videos. You might want to read
this articl...
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Sangam 18: Presentations, Scripts and More
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Many, many thanks to those who came to my three sessions at Sangam 18, the
largest meeting of Oracle technologists in South Asia.
As I promised, you can do...
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Become a Master of Oracle 12c
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Oracle Database 12c: Administrator Certified Master Technology moves on,
and to keep pace with it, so should you. If you are an Oracle Certified
profession...
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Pickleball & Longevity
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Studien zufolge trägt die Trendsportart Pickleball in nahezu idealer Weise
zur Langlebigkeit bei! Wer möchte nicht sein Leben bei guter Gesundheit um
10 Ja...
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Exadata Flash Cache WriteBack
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With the announcement Exadata X3, Oracle has introduced a new feature
called “FlashCache Writeback” to allow writes to cell Flash Cache
(aka Exadata Smart ...
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Oracle Ksplice introduces Known Exploit Detection functionality
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The Oracle Ksplice team has added some really cool new functionality in
Oracle Ksplice. Instead of writing and copying the blog pretty much, just
go dire...
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