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EDB Postgres DBA Best Practices
The document outlines best practices for EDB Postgres DBAs, emphasizing key responsibilities such as maintaining database environments, ensuring high availability, and efficient performance monitoring. It introduces various tools, including the EDB Postgres Enterprise Manager, which aids in database management, monitoring, and disaster recovery. Additionally, it discusses features like performance dashboards, automated backup and recovery, and support for SQL profiling and tuning to optimize database performance.
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EDB Postgres DBA Best Practices
- 1. © 2016 EDB.All rights reserved. 1 DBA Best Practices: A day in a life of an EDB Postgres DBA
- 2. © 2016 EDB.All rights reserved. 2 • Agenda • A DBA's Challenge • The EDB Postgres Platform • PEM − Manageability, tuning and High Availability • BART • DEMO • Summary • Resources • Q&A Agenda
- 3. © 2016 EDB.All rights reserved. 3 • Meet expectations of internal customers, e.g.: − developers, users • Maintain existing database environments reliably: − High Availability − Disaster Recovery − Performance Monitoring • Quick Provisioning of databases A DBA's Challenge
- 4. © 2016 EDB.All rights reserved. 4 EDB Postgres Platform
- 5. © 2016 EDB.All rights reserved. 5 EDB PostgreSQL Management • Mission-critical tools for management, monitoring, tuning, high availability, as well as backup and disaster recovery • EDB Postgres Enterprise Manager • EDB Postgres Failover Manager • EDB Postgres Backup and Recovery EDB Postgres Platform – Tool Suites
- 6. © 2016 EDB.All rights reserved. 6 PEM Architecture Unmanaged Hosts PEM Server Managed Hosts (PEM Agents) PEM Clients Monitoring Data Database Management Connections Enterprise Management Connections PEM Components & Connections
- 7. © 2016 EDB.All rights reserved. 7 • Over 225 pre-configured metrics ready to run − Select best-practice metrics for your needs − Immediate productivity after installation • Performance Monitoring Dashboards − At-a-glance statistics for I/O, storage, memory, user/session activity, & wait statistics − Instantly insights to diagnose and improve performance • Customizable Dashboards an Custom probes − Create environment/application specific mission-critical views − Easily tailored for your special needs PEM for DBAs… • One DBA can manage many more database servers!
- 8. © 2016 EDB.All rights reserved. 8 • Alert Management − Pre-defined alerts with SMTP/SNMP support − Confront issues BEFORE they impact operations! • Remote Monitoring − Monitor servers using a remote agent − No installation of software required on sensitive servers to monitor them • Capacity Manager − trend analysis forecasting for storage and hardware needs − Helps plan hardware and storage purchases. • Log Manager (including Log based alerts) − Configure logging for multiple servers at one time − One of many time saving bulk operation features PEM for DBAs… (cont’d) • One DBA can manage many more database servers!
- 9. © 2016 EDB.All rights reserved. 9 • Pg Expert − Best practice advisor for security, schemas, & configuration − Many years of Postgres expertise and advice in one click! • Log Analyzer Expert − Generate stats locks, longest queries, # of queries, unique queries, etc. − Supports post-event alerting as well as real-time alerts • Index Advisor − Recommends / deploys new indexes for troublesome queries − Quickly try new table specific optimizations • SQL Profiler − Capture complex SQL workloads on-demand or on-schedule − Quickly finds slow queries for analysis and optimization PEM for DBAs… (cont’d) • One DBA can manage many more database servers!
- 10. © 2016 EDB.All rights reserved. 10 • Tuning Wizard − Configure machine utilization and application workload − Rapid database optimizations • Bulk Operations − Analyze and manage multiple servers at once − Eliminates repetitive time-consuming procedures • Team Support − Assigns various servers to the same roles as users − Users only see the servers they control / are authorized to see PEM for DBAs… (cont’d) • One DBA can manage many more database servers!
- 11. © 2016 EDB.All rights reserved. 11 • Detailed Query Analysis PEM for Developers… 1001101001 0101110100 1011010101
- 12. © 2016 EDB.All rights reserved. 12 • Debugger for Stored Procedures, Triggers & Functions PEM for Developers…Also an IDE 1001101001 0101110100 1011010101
- 13. © 2016 EDB.All rights reserved. 13 • Before PEM: Set config parameter to log long-running queries + server log scraping + pgFouine report…then re-run top queries using EXPLAIN; a slow manual process to find problem queries and interpret results; difficult using multiple tools PEM for Developers…SQL Profiler
- 14. © 2016 EDB.All rights reserved. 14 • With PEM: Manual or scheduled SQL captures by user or database, with sorting and filtering of key performance metrics results and integrated with EXPLAIN tool as well as Index Advisor module. SQL Profiler – what’s running slow Duration: 122 seconds
- 15. © 2016 EDB.All rights reserved. 15 • SQL Profiler − Quickly find, troubleshoot, and fix slow running SQL − Number one cause of most database problems is poorly optimized SQL code − Captures a large SQL workload to locate poor running SQL − Supports on-demand and scheduled captures − Provides multiple performance metrics with EXPLAIN analysis − Integrates with the Index Advisor, which analyzes a set of SQL statements and recommends new Indexes to improve performance PEM for DBAs – What’s running Slow 1001101001 0101110100 1011010101
- 16. © 2016 EDB.All rights reserved. 16 PgExpert - System Tuning 1001101001 0101110100 1011010101
- 17. © 2016 EDB.All rights reserved. 17 EDB Failover Manager EDB Failover Manager creates fault tolerant database clusters to minimize downtime when a master database fails by keeping data online in high availability configurations. FAILOVER MANAGER
- 18. © 2016 EDB.All rights reserved. 18 PEM to setup Streaming Replication 1001101001 0101110100 1011010101
- 19. © 2016 EDB.All rights reserved. 19 Streaming Replication set up ..contd. 1001101001 0101110100 1011010101
- 20. © 2016 EDB.All rights reserved. 20 EDB Failover Manager EDB Failover Manager creates fault tolerant database clusters to minimize downtime when a master database fails by keeping data online in high availability configurations. FAILOVER MANAGER
- 21. © 2016 EDB.All rights reserved. 21 Streaming Replication Dashboards 1001101001 0101110100 1011010101
- 22. © 2016 EDB.All rights reserved. 22 • Detailed Query Analysis PEM for Developers… 1001101001 0101110100 1011010101
- 23. © 2016 EDB.All rights reserved. 23 • Simplifies and reduces errors with a system-wide catalog and command line tool that automates online backup and recovery across local and remote PostgreSQL and PPAS Servers. What is Backup and Recovery Tool (BART) BART
- 24. © 2016 EDB.All rights reserved. 24 • Backup Catalog to manage multiple PG or PPAS servers • Retention policies and obsolete backup management • SSH support for remote operations • Local and remote online physical backups • Auto-compression and MD5 checksum verification − WAL archives • Continuous WAL Archiving and PITR BART Feature Highlights
- 25. © 2016 EDB.All rights reserved. 25 BART Benefits • Error free automation for backups • Easily find and recover backups from a central Catalog • Friendly command line tool with powerful options − Backup, restore, show and verify − Integrates with existing CRON jobs • No user interruptions during backups • Compression speeds backups and uses less storage • Verification guards against corrupt files • Point In Time Recovery provides maximum protection
- 26. © 2016 EDB.All rights reserved. 26 Demo • Tune a Database using PgExpert • Set up Streaming Replication from with in PEM • Failover using EFM, from PEM • Backup and Recovery if time permits.
- 27. © 2016 EDB.All rights reserved. 27 • Single Window Administration for multiple Database Clusters • Performance Management • IDE • Efficient Failover Management • Organized Backup and PITR. • Many More. EDB Tools - Summary
- 28. © 2016 EDB.All rights reserved. 28 EDB Postgres Downloads http://www.enterprisedb.com/downloads EDB Postgres Management Suite data sheet http://www.enterprisedb.com/ds-management-suite Blog: Data Backup Made Easy http://www.enterprisedb.com/postgres-plus-edb-blog/ ahsan-hadi/data-backup-made-easy Blog: How to Be the Master of Your Database Domain http://www.enterprisedb.com/postgres-plus-edb-blog/ devrim-g-nd-z/how-be-master-your-database-domain Resources
- 29. © 2016 EDB.All rights reserved. 29