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#exadata

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Bob Bryla<p><a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> 23ai for on-premises <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a>, offloading AI vector searches, and 17 microsecond latencies... OH MY. I am living in the future.<br><a href="https://blogs.oracle.com/exadata/post/oracle-database-23ai-on-exadata" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blogs.oracle.com/exadata/post/</span><span class="invisible">oracle-database-23ai-on-exadata</span></a></p>
Bob Bryla<p>Updated blog post -- possible new compression methods on Exadata in 23ai along with the anticipation of vector column offloading on X10M!<br><a href="https://exadatadba.blog/2024/06/16/oracle-compression-syntax-part-1-read-the-freakin-manual/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">exadatadba.blog/2024/06/16/ora</span><span class="invisible">cle-compression-syntax-part-1-read-the-freakin-manual/</span></a><br><a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a></p>
Bob Bryla<p>This may be big. Just as I was getting bored...<br><a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a> <br><a href="https://blogs.oracle.com/database/post/oracle-database-23ai-now-available-in-the-cloud" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blogs.oracle.com/database/post</span><span class="invisible">/oracle-database-23ai-now-available-in-the-cloud</span></a></p>
Bob Bryla<p>Storage performance with <a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> on <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a> can be mysterious, confounding, and outstanding especially when you have both DBRM and IORM active with multiple databases. Having a CDB-level Global AWR can give you all the deets on both layers to see what may and may not be happening. This new whitepaper from Oracle tells you more.<br><a href="https://www.oracle.com/docs/tech/database/exadata-awr.pdf" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">oracle.com/docs/tech/database/</span><span class="invisible">exadata-awr.pdf</span></a></p>
Bob Bryla<p>Breaking out the wait events a while back for single block physical reads on <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a> is helpful, but even if a PMEM single block read takes 1/10th of a flash cache read, that's still too damn slow if you have to do it a billion times 🤨</p>
kurtsh<p>BOOM. Run your Oracle Autonomous Database or Oracle Exadata in Microsoft Azure at the same price as in OCI, fully supported by Oracle. </p><p>Announcing Oracle Database@Azure... now generally available! </p><p>Now GA: Oracle Database@Azure<br><a href="https://www.linkedin.com/pulse/now-ga-oracle-databaseazure-steven-kaplan-it9af?utm_source=share&amp;utm_medium=member_android&amp;utm_campaign=share_via" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">linkedin.com/pulse/now-ga-orac</span><span class="invisible">le-databaseazure-steven-kaplan-it9af?utm_source=share&amp;utm_medium=member_android&amp;utm_campaign=share_via</span></a></p><p><a href="https://mastodon.social/tags/oracle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oracle</span></a> <a href="https://mastodon.social/tags/oci" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oci</span></a> <a href="https://mastodon.social/tags/exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exadata</span></a> <a href="https://mastodon.social/tags/Microsoft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Microsoft</span></a> <a href="https://mastodon.social/tags/azure" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>azure</span></a></p>
Bob Bryla<p>George Boole is finally vindicated in Oracle Database 23c!<br><a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a> <br><a href="https://exadatadba.blog/2023/07/03/oracle-database-23c-george-boole-finally-makes-an-appearance/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">exadatadba.blog/2023/07/03/ora</span><span class="invisible">cle-database-23c-george-boole-finally-makes-an-appearance/</span></a></p>
Bob Bryla<p>Even on <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a>, it will take a while to read 30+ TB from 3 tables. I think there is probably a way to optimize this query from an <a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> perspective. 🤨</p>
Bob Bryla<p>Sometimes <a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> can seem too fast on <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a> that you don't think there is a problem:<br><a href="https://exadatadba.blog/2023/06/07/on-exadata-sometimes-looks-can-be-deceiving/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">exadatadba.blog/2023/06/07/on-</span><span class="invisible">exadata-sometimes-looks-can-be-deceiving/</span></a></p>
Bob Bryla<p>Really, Bard? At least tell me you're being aspirational or telling me what I want to hear. AFAIK there have never been nor can I find any reference to these <a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> parameters that could indirectly control behavior on <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a>. 🙄</p>
Bob Bryla<p>An extremely high correlation between GC CR events and poor smart scan performance on <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a>. Even though the table was COMMITed long before the query.</p>
Bob Bryla<p>Each day that goes by when I'm running queries on <a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a>, I hope that I will actually run into a case of "Delayed Block Cleanout" that I can confirm wrecks the performance of my query. 🤨</p>
Bob Bryla<p>Bloom filters on <a href="https://noc.social/tags/OracleDatabase" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OracleDatabase</span></a> <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a> can be offloaded IF the datasets are "small enough". What is "small enough"? And what about those ~10 hidden parameters that control bloom filters? Even my biggest Exadata customers can't get a clue from Oracle Development, and it's really ticking me off. 🤬</p>
Bob Bryla<p><span class="h-card"><a href="https://mastodon.social/@berx" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>berx</span></a></span> Well, I guess they want you to run everything on <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a>. Oracle usually releases their marquee products on Exadata first?</p>
Bob Bryla<p><span class="h-card"><a href="https://mastodon.cloud/@thatjeffsmith" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>thatjeffsmith</span></a></span> <a href="https://noc.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a></p>
Martin Berger<p>Things I like: <br>A SW vendor putting huge effort into a tool to collect &amp; diagnose issues on the system - for faster and more systematic problem analysis. <br>Things I dislike: <br>The same vendor limiting this feature to a subset of systems - preferring only their own "hard&amp;software - desinged to fail together" for no reasons. </p><p><a href="https://support.oracle.com/epmos/faces/SearchDocDisplay?_adf.ctrl-state=14xanejzk0_4&amp;_afrLoop=223083284264014#newfeature1" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">support.oracle.com/epmos/faces</span><span class="invisible">/SearchDocDisplay?_adf.ctrl-state=14xanejzk0_4&amp;_afrLoop=223083284264014#newfeature1</span></a> <br><a href="https://mastodon.social/tags/Oracle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Oracle</span></a> <a href="https://mastodon.social/tags/AHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AHF</span></a> <a href="https://mastodon.social/tags/insights" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>insights</span></a> <a href="https://mastodon.social/tags/Exadata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exadata</span></a></p>
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