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...
Computing Oracle SQL_ID and HASH_VALUE
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I needed an hash function, in Java, which is simple, practically less
collision and provides a short alphanumeric or an unsigned number as hash
for any str...
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: ...
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...
Exadata X8M - World's Fastest Database Machine
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Exadata X8M has launched during OOW 2019, and termed as world's fastest
Database Machine. Let's walkthrough about new additions that has made X8M
as world...
my Time/Task/Goal/Habit (TTGH) management
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There was a post last night on oracle-l on the topic of task/project/time
management, and I’m a big fan of productivity hacks and the whole GTD idea
or met...
Hotsos Symposium 2018
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Just a quick note to say I’m doing a couple of talks at this year’s Hotsos
Symposium, which starts next Monday at 8:30AM. It’s not too late to
register. ...
sqlite3
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I just tried sqlite. It is ultra-light and support SQL commands. Just try
this $ sqlite3 test.db SQLite version 3.26.0 2018-12-01 12:34:55 Enter
".help" fo...
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...
Identify driver details for your block devices
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While preparing a presentation for POUG 2025 I had a need to find out more
about the block device driver in use on my system. I was particularly
interested...
OEM SSL Cipher Hardening Reset After Securing OMS
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I have recently been installing Oracle Enterprise Manager at several sites,
and one of the key requirements has been to ensure that the installation
isn’t ...
CatVector Demo Website
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I have added a static version of my CatVector demo app for visualizing
embedding vectors: tanelpoder.com/catvector/ Previously you had to clone
the CatBenc...
Oracle University Provides the Best Test Fests
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Oracle University Certification Exams Are once again available at Test
Fests at various events. Last year at the TECH14 and APPS14 conferences,
the UK Orac...
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...
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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