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Oracle Autonomous Database - introducción técnica y hands on lab
- 1. Hands-on lab Oracle Autonomous Database Copyright © 2020, Oracle and/or its affiliates | Confidential: Internal/Restricted/Highly Restricted1 Diego “Perico” Sanchez Master Principal Sales Consultant Oracle Argentina – Public Sector [email protected] /in/pericosanchez Julio 2020
- 2. Declaración de puerto seguro - Información específica para España y Latinoamérica La información recopilada por Oracle e incluida en el siguiente documento ha sido recopilada a través de un analista externo del sector y con el único fin de obtener datos de interés sobre la dirección general de nuestros productos. Estos datos tienen fines puramente informativos, y no deben utilizarse para diferenciar los productos de Oracle de los de otras empresas. Oracle ha llevado a cabo una prueba conceptual con el más alto nivel de minuciosidad acorde al estándar del sector, pero no se garantiza que la información del siguiente texto carezca de errores. Oracle no declara ni garantiza que los resultados de la prueba sean reproducibles o que puedan probarse lógicamente. Oracle no proporcionará ningún dato relacionado con la prueba, entre otros: el método, el razonamiento, la idea, la estrategia seguida en la prueba o la política de la prueba. El propósito del siguiente texto es determinar la dirección general de nuestros productos. El presente documento ha sido redactado con fines informativos únicamente y no se podrá incorporar a ningún contrato. Además, no supondrá compromiso alguno de entrega de ningún material, código o funcionalidad, ni deberá utilizarse como base para la adopción de decisiones de compra. El desarrollo, lanzamiento, precio y plazo de puesta a disposición de cualesquiera funciones o funcionalidades descritas para productos de Oracle podría cambiar y quedará a la sola discreción de Oracle Corporation. Este material es la traducción de una presentación redactada originalmente en inglés para la sede de Oracle en Estados Unidos. La traducción se ofrece a modo de cortesía y puede contener errores. Es posible que no todas las funciones y funcionalidades estén disponibles en todos los países ni en todos los idiomas. Si tiene alguna duda, póngase en contacto con su representante de ventas de Oracle. Declaración de puerto seguro - General 2 Copyright © 2020, Oracle y/o sus filiales. Todos los derechos reservados.
- 3. Copyright © 2020 Oracle and/or its affiliates. 5 4 3 2 1 Hands-on lab Break Demo Under the hood Introduction to Autonomous Database Agenda
- 4. Copyright © 2019 Oracle and/or its affiliates. Autonomous Database Introduction
- 5. Copyright © 2020 Oracle and/or its affiliates. Pionero en tecnologías de Internet, estratega y periodista Creador del término “Podcasting” en 2004 Ben Hammersley “Hace 5 años los autos sin conductor eran ciencia ficción, hoy son una realidad”
- 6. Oracle Spent Last 20 Years Automating Database Technology Copyright © 2019 Oracle and/or its affiliates. • Automatic Query Rewrite • Automatic Undo Management • Autonomous Health Framework • Automatic Diagnostic Framework • Automatic Refresh of Clones • Automatic SQL Tuning • Automatic Workload Capture/Replay • Automatic SQL Plan Management • Automatic Capture of SQL Monitor • Automatic Data Optimization • Automatic Memory Management • Automatic Segment Space Mgmt • Automatic Statistics Gathering • Automatic Storage Management • Automatic Workload Repository • Automatic Diagnostic Monitor • Automatic Columnar Flash • Automatic IM population • Automatic Application Continuity 9i 10g 11g 12c 18c • Automatic Indexes • SQL Quarantine • Real-Time Statistics 19c
- 7. Oracle Spent Last 10 Years Automating Database Infrastructure Copyright © 2019 Oracle and/or its affiliates. • Smart Scan • Infiniband Scale-Out • Database Aware Flash Cache • Storage Indexes • Hybrid Columnar Data • IO Priorities • Data Mining Offload • Offload Decryption • Direct-to-wire Protocol • JSON and XML offload • Instant failure detection • Network Resource Mgmt • Prioritized File Recovery • In-Memory Columnar in Flash • Smart Fusion Block Transfer • Exadata Cloud Service 2008 2019
- 8. Eliminates All the Complexity of Mission Critical Databases Autonomous Database Completes the Job Copyright © 2019 Oracle and/or its affiliates. Automated Data Center Operations and Machine Learning Complete Infrastructure Automation Complete Database Automation ORACLE AUTONOMOUS DATABASE Oracle Cloud
- 9. Autonomous Database Key Attributes Self-Driving Automates all database and infrastructure management, monitoring, tuning Self-Securing Protects from both external attacks and malicious internal users Self-Repairing Protects from all downtime including planned maintenance Spend Less, Reduce Risk, Innovate More Copyright © 2019 Oracle and/or its affiliates.
- 10. Traditionally DBAs are Responsible for: 10 • Tasks Specific to Business and Innovation – Architecture, planning, data modeling – Data security and lifecycle management – Application related tuning – End-to-End service level management • Maintenance Tasks – Configuration and tuning of systems, network, storage – Database provisioning, patching – Database backups, H/A, disaster recovery – Database optimization Value Scale Innovation Maintenance
- 11. • Maintenance Tasks – Configuration and tuning of systems, network, storage – Database provisioning, patching – Database backups, H/A, disaster recovery – Database optimization 11 Autonomous Database Removes Generic Tasks • Tasks Specific to Business and Innovation – Architecture, planning, data modeling – Data security and lifecycle management – Application related tuning – End-to-End service level management Value Scale Innovation Maintenance
- 12. One Autonomous Database – Two Deployment Choices ORACLE AUTONOMOUS DATABASE DedicatedServerless Ultra-Simple and Elastic Customizable Private Database Cloud in Public Cloud Copyright © 2019 Oracle and/or its affiliates.
- 13. Autonomous Database Serverless – Primary Benefits • Simple – Oracle automates and manages everything – Customer just chooses database compute, storage, and region • Elastic – Low minimum size - 1 OCPU – Low minimum time commitment - 1 hour – Automatically scales online for true pay-per-use Copyright © 2019 Oracle and/or its affiliates.
- 14. Autonomous Database Dedicated – Primary Benefits • Provides your own Database Cloud running on dedicated Exadata Infrastructure • Highest Isolation • Customizable Operational Policies Copyright © 2019 Oracle and/or its affiliates.
- 15. One Autonomous Database – Optimized by Workload ORACLE AUTONOMOUS DATABASE Autonomous Transaction Processing - ATP Autonomous Data Warehouse - ADW Best for all Analytic Workloads: • Data Warehouse, Data Mart • Data Lake, Machine Learning Best for TP and Mixed Workloads: • Transactions, Batch, Reporting • IoT, Machine Learning Copyright © 2019 Oracle and/or its affiliates.
- 17. • APEX & ORDS • SQL Dev-web • Developer workbench and modeling • Performance Hub SQL analysis • Service SDKs • Java, Python, Node, Go, .NET, Ruby • See Developer Guide for TAC setup 17 Developer ready with APEX & ORDS Currently, unique to Dedicated
- 19. Auto Indexing On Netsuite • Ran a complex Netsuite workload, and compared Auto Indexing to tuned system • 17,542 SQL statements, 1,852 tables, 8,151 indexes - years of tuning to create these indexes • Before running on Auto Indexing, all indexes were dropped Auto Indexing achieved near-identical performance to manual tuning Auto Index DB stays tuned as workload changes Elapsed Time (sec) Manually tuned Auto Index 11551172 Indexes Used Manuall y tuned Auto Index 1733 4663 Copyright © 2019 Oracle and/or its affiliates.
- 20. Auto Indexing On Accounts Receivable • Workload: 4,889 SQL statements running against 35 tables • Indexes: • Application code created 49 indexes of which 17 were used • Automatic indexing created 5 indexes, all of which were used Elapsed Time (sec) Manually tuned Auto Index 4 123 Indexes Used Manuall y tuned 5 17 Auto Index
- 21. Copyright © 2019 Oracle and/or its affiliates. Under the Hood
- 23. Autonomous Database Platform • RAC on Exadata • Autonomous Database decides where to place each database during provisioning • Fewer number of instances preferred when possible • Databases may be open on one node • Still RAC enabled Copyright © 2019 Oracle and/or its affiliates.
- 24. Database Parameters • All parameters set to optimal values based on workload type • May be different than regular database defaults • Users can only change a limited number of parameters Copyright © 2019 Oracle and/or its affiliates. Allowed Parameters APPROX_FOR_AGGREGATION APPROX_FOR_COUNT_DISTINCT APPROX_FOR_PERCENTILE FIXED_DATE MAX_IDLE_TIME NLS_CALENDAR NLS_COMP NLS_CURRENCY NLS_DATE_FORMAT NLS_DATE_LANGUAGE NLS_DUAL_CURRENCY NLS_ISO_CURRENCY NLS_LANGUAGE NLS_LENGTH_SEMANTICS NLS_NCHAR_CONV_EXCP NLS_NUMERIC_CHARACTERS NLS_SORT NLS_TERRITORY NLS_TIMESTAMP_FORMAT NLS_TIMESTAMP_TZ_FORMAT OPTIMIZER_CAPTURE_SQL_PLAN_BASE LINES OPTIMIZER_IGNORE_HINTS OPTIMIZER_IGNORE_PARALLEL_HIN TS PLSCOPE_SETTINGS PLSQL_CCFLAGS PLSQL_DEBUG PLSQL_OPTIMIZE_LEVEL PLSQL_WARNINGS STATISTICS_LEVEL TIME_ZONE
- 25. Optimizer Hints • Optimizer and PARALLEL hints work differently based on workload type • Users can override by changing two parameters Copyright © 2019 Oracle and/or its affiliates. TRUE FALSE optimizer_ignore_hints Ignores optimizer hints Honors optimizer hints optimizer_ignore_parallel_hint s Ignores PARALLEL hints Honors PARALLEL hints ADW Ignores optimizer and PARALLEL hints ATP Honors optimizer and PARALLEL hints
- 26. Optimizer Statistics • Stats are gathered automatically for direct load operations • create table … as select …; • insert /*+ append */ into … select …; • Parallel inserts with or without the append hint • Data Pump Import loads • dbms_cloud loads Copyright © 2019 Oracle and/or its affiliates.
- 27. Optimizer Statistics in 19c • Real-time Statistics Collection • Gathers a subset of optimizer statistics for conventional DML operations • Number of rows, MAX and MIN column values, etc. • High-frequency Statistics Collection • Gathers full optimizer statistics every 15 minutes if statistics are stale Copyright © 2019 Oracle and/or its affiliates.
- 28. User Management
- 29. User Management • Pre-defined ADMIN user for database management • Subset of SYSDBA privileges • No SYS, SYSTEM access for users Copyright © 2019 Oracle and/or its affiliates.
- 30. User Management • Pre-defined role, DWROLE, for DW developers • Includes common developer privileges Copyright © 2019 Oracle and/or its affiliates. DWROLE Privileges CREATE ANALYTIC VIEW CREATE TABLE CREATE HIERARCHY CREATE JOB ALTER SESSION CREATE ATTRIBUTE DIMENSION CREATE TYPE CREATE VIEW CREATE PROCEDURE CREATE SESSION CREATE SEQUENCE CREATE MINING MODEL CREATE TRIGGER CREATE SYNONYM grant dwrole to sales identified by WelcomeSalesADW19;
- 32. Storage Management • Provisioned storage size is net usable space with 3x redundancy • Includes system tablespaces and the local filesystem • 10% overage allowed • Exadata flash size is proportional to the storage size Copyright © 2019 Oracle and/or its affiliates. Set storage size at provisioning time Scale up/down any time without downtime
- 33. Tablespace Management • All tablespaces created and managed automatically • Tablespace sizes depend on the provisioned storage size • All tablespaces auto extend when needed • Users cannot create or drop tablespaces • All objects are created in DATA automatically • Multiple DATA tablespaces created when storage size exceeds 32 TB Copyright © 2019 Oracle and/or its affiliates. Tablespaces from a Sample Autonomous Database SYSTEM SYSAUX UNDOTBS1 TEMP DATA DBFS_DATA SAMPLESCHEMA UNDO_8
- 34. Table/Index Storage Attributes • No need to worry about storage attributes • Optimized and managed by Autonomous Database • Table/index storage attributes ignored • Tablespace, INITIAL, NEXT, PCTFREE, PCTUSE, etc. Copyright © 2019 Oracle and/or its affiliates.
- 35. Compression • Compression configured automatically based on ADB type • Users can override using create/alter table commands, all compression types available Copyright © 2019 Oracle and/or its affiliates. ADW Hybrid Columnar Compression, Query High ATP No compression create table orders_history … column store compress for archive high;
- 37. Resource Allocation • System resources allocated based on number of OCPUs dynamically • CPU, IO, number of sessions, SGA, PGA, etc. • More OCPUs provide more resources Copyright © 2019 Oracle and/or its affiliates. Set CPU core count at provisioning time Scale up/down any time without downtime
- 38. Auto Scaling • Enables the database to use up to 3x CPU/IO resources immediately when needed by the workload • Pay for exactly what you use • Helps CPU or IO bound workloads • Does not scale up other resources. Provision more OCPUs to scale up these. • Number of sessions • Concurrency • PGA, SGA, etc. Copyright © 2019 Oracle and/or its affiliates.
- 39. SERVICE DEFAULT SQL PARALLELISM SHARE OF RESOURCES CONCURRENT NO OF QUERIES/DML TPURGENT MANUAL 12 100 X OCPUs TP 1 8 100 X OCPUs HIGH OCPUs 4 3 MEDIUM 4 2 1.25 X OCPUs LOW 1 1 100 X OCPUs OLTP DW, Batch, Reporting Pre-Defined Database Services • Applications connect to a pre-defined database service • e.g. jdbc:oracle:thin:@dbname_high?TNS_ADMIN=/Users/test/wallet_dbname • Database services control resource usage • SQL parallelism, CPU/IO shares, max concurrent queries/DML Copyright © 2019 Oracle and/or its affiliates.
- 40. Which Service to Use • OLTP • Connect to TP or TPURGENT based on priority requirements • DW • Connect to HIGH, MEDIUM, LOW based on concurrency requirements Copyright © 2019 Oracle and/or its affiliates. HIGH • Low concurrency • More resources per user MEDIUM • Higher concurrency • Fewer resources per user LOW • Highest concurrency • Fewest resources per user
- 42. Service Console • Simple monitoring graphs for key service metrics • Accessible by database users without a cloud account Copyright © 2019 Oracle and/or its affiliates.
- 43. Performance Hub • ASH Analytics and SQL Monitoring • Accessible by users with cloud accounts Copyright © 2019 Oracle and/or its affiliates.
- 44. Demo + laboratorio Manos a la obra !! Copyright © 2020, Oracle y/o sus filiales. Todos los derechos reservados.44
- 45. Hands-on Labs: Principal • https://oracle.github.io/learning-library/data-management- library/autonomous-database Extras • https://oracle.github.io/learning-library/data-management-library • https://oracle.github.io/learning-library/oci-library
- 46. ¡ Muchas gracias por participar de este hands-on ! Copyright © 2020, Oracle y/o sus filiales. Todos los derechos reservados.46 Diego “Perico” Sanchez Master Principal Sales Consultant Oracle Argentina – Public Sector [email protected] /in/pericosanchez