Aws rds postgres minor version upgrade downtime. For example, minor version 14.

Aws rds postgres minor version upgrade downtime. Such significant downtime is By using Amazon RDS Blue/Green Deployments, you can make changes to the database in the staging environment without affecting the production environment. (you might not be running PostgreSQL 11 but I hope you get the idea). 14. Since v12 is rather outdated and nearing the end of its standard support window on RDS, it was time to plan our upgrade to the newest version available on RDS, v16. For information about performing a minor version upgrade for your Aurora MySQL DB cluster, see the following topics. Action notifications for OS maintenance The Amazon RDS upgrade to the operation system to improve performance takes about ten minutes to complete. Amazon Aurora releases updates regularly. Some modifications result in downtime because Amazon RDS must reboot your DB instance for the change to take effect. 6 PostgreSQL instance which wasn't upgraded during the maintenance window earlier today. Major version upgrades can contain database changes that may not be […] Jun 10, 2022 · Amazon Aurora PostgreSQL-compatible edition now supports zero-downtime patching (ZDP). 4 with minimal downtime Firstly, you need to create a new custom parameter group for the new engine version (if you are performing a major upgrade) In my example I have created a PostgreSQL 16 RDS parameter group The CLI can also be used: Архив How to Upgrade RDS PostgreSQL with Minimal Downtime Estimated reading time: 15 minutes Disclaimer When working with Amazon RDS for PostgreSQL, minimizing downtime during upgrades is essential to maintain high availability. Learn how to perform a major version upgrade on an Amazon RDS for PostgreSQL database. Feb 10, 2025 · Disclaimer When working with Amazon RDS for PostgreSQL, minimizing downtime during updates is essential to maintain high availability. The zero-downtime patching (ZDP) feature attempts, on a best-effort basis, to preserve client connections through an Aurora MySQL upgrade. Updates are applied to Amazon Aurora DB clusters during system maintenance windows. This happens during the maintenance window. Good day, We have a 10. For information about how zero-downtime patching can reduce interruptions during the upgrade process, see Using zero-downtime patching. Upgrading the database in-place would have resulted in ~30 mins of downtime. With Jan 24, 2024 · Amazon Aurora PostgreSQL-Compatible Edition and Amazon Relational Database Service (Amazon RDS) for PostgreSQL version 11 end of standard support is February 29, 2024. If you’re on a lower version, you have to perform a minor version upgrade to 9. If you can't use a blue/green deployment and your MySQL DB instance is currently in use with a production application, you can use the following procedure to upgrade the database version for your Feb 2, 2023 · I have an RDS Postgres database, currently sitting at version 14. 2. 6, 9. 13, 11. Is anyone here adopting a particular strategy when doing aurora Postgres minor/patch version upgrades minimizing down time? I reckon on the AWS docs and blog there are more than a couples of strategies described (e. 15, which I understand does not need to be updated, but the problem is that when I enter the "AWS Health Dashboard" it informs me in "Schedule Changes" that my instance is an "Affected Resources". This makes physical replication particularly well-suited for use cases like minor version upgrades, schema changes (DDL operations) in the blue environment, and storage adjustments. Dec 17, 2019 · This post was last reviewed and update June, 2022 to update the upgrade steps for Amazon RDS. The content is still accurate for RDS for PostgreSQL […] I want to identify the causes of downtime when I modify an Amazon Relational Database Service (Amazon RDS) or Amazon Aurora instance. While the AWS RDS console may show version 16. In Amazon RDS for PostgreSQL, the pglogical extension isn’t supported any version below this. Open-source PostgreSQL occasionally releases new minor and major versions that include fixes for frequently encountered bugs, security issues, and data corruption problems. For detailed information on the conditions and engine versions where ZDP is available for Aurora PostgreSQL upgrades, see Minor release upgrades and zero-downtime patching. Aurora PostgreSQL エンジンを新しいマイナーバージョンにアップグレードする AWS CLI、または RDS API を使用することにより、Aurora PostgreSQL DB クラスターを新しいマイナーバージョンにアップグレードできます。 Blue/Green deployments for Amazon RDS PostgreSQL can be an effective way to perform major version upgrades with minimal downtime, even for large databases. Learn how to choose a major version to upgrade your RDS for PostgreSQL database to. Why This Policy Matters Extended support for older database engine If you specify only a major version, Amazon RDS updates the DB instance to the default minor version if the current minor version is lower. 15 For more information about these settings, see Settings for DB instances. 20241121 or higher regardless of instances’ scheduled maintenance window. May 11, 2025 · Introduction Amazon RDS for PostgreSQL is a powerful service that simplifies the process of deploying, managing, and scaling PostgreSQL databases in the cloud. Oct 19, 2021 · Amazon RDS for PostgreSQL and Aurora PostgreSQL end of life timeline In-place upgrade vs. Further reduce downtime to typically under 1 second by adding an open source or RDS Proxy to your deployment. Aug 23, 2021 · If you need to upgrade your Amazon Relational Database Service (Amazon RDS) for PostgreSQL or Amazon Aurora PostgreSQL-Compatible Edition database to a newer version, you can choose from in-place and out-of-place upgrade options. If you turn on Enable auto minor version upgrade In most cases, a blue/green deployment is the best option to reduce downtime when upgrading a MySQL DB instance. Before releasing upgrades and patches, Aurora PostgreSQL tests to ensure that known security issues, bugs, and other issues that emerge after the release of the minor community version don't disrupt Aurora PostgreSQL fleet stability. Jun 27, 2023 · 2 I assume you are using Multi-AZ but a minor upgrade for RDS will always upgrade both instances at the same time. This low downtime upgrade process is referred to as a blue/green upgrade. 3 minor version as of today. Before you perform the upgrade, confirm that you set a recovery point object (RPO) for the rds. May 11, 2023 · Minor versions can reach the end of standard support before the corresponding major versions. With ZDP, customers can upgrade to a new PostgreSQL version and apply patches to their Aurora cluster without any downtime. I want to do this manually via the co For detailed information on the conditions and engine versions where ZDP is available for Aurora MySQL upgrades, see Using zero-downtime patching. 5, 14. Dates with only a This section discusses how to upgrade your database data from one PostgreSQL release to a newer one. By using Amazon Aurora Blue/Green Deployments, you can make changes to the database in the staging environment without affecting the production environment. Using logical replication and Aurora fast cloning, you can perform a major version upgrade that uses the current version of Aurora PostgreSQL database while gradually migrating the changing data to the new major version database. I want to troubleshoot a minor version mismatch between primary and secondary Amazon Aurora PostgreSQL-Compatible clusters in the same Aurora global cluster. Apr 4, 2019 · Background: We get notification from AWS, Beginning 8 April 2019 AWS will automatically upgrade the RDS Postgres during maintenance window, this is because PostgreSQL versions 10. Downtime is acce I want to perform a major version upgrade of my Amazon Aurora PostgreSQL-Compatible Edition global database. 22 that remain will be upgraded to 11. During the maintenance window, Amazon RDS applies updates to hardware, the underlying operating system (OS), or the database engine minor version. The timing when updates are applied depends on the Region and maintenance window setting for the DB cluster, and also the type of update. The RDS PostgreSQL minor versions that are listed in the table below are supported, and any DB instances running earlier versions will be automatically upgraded to the version marked as "preferred" by RDS, no earlier than July 15, 2022 starting 12 AM PDT: Amazon RDS supports DB instances running the PostgreSQL minor versions listed above. X. 9 (minor upgrade). 21 or greater, apply any pending operating system maintenance, and then upgrade directly to PostgreSQL 14 or greater so that you can skip intermediate major versions. Enabling and applying all of this Depending on the version of Aurora PostgreSQL that your DB cluster is currently running, an upgrade to the new release is either a minor upgrade or a major upgrade. For your specific case of upgrading from PostgreSQL 13. Does it make sense to simply turn on multi-AZ, wait for the second instance to be provisioned, upgrade the minor version, then turn off multi-AZ? Any gotchas I'm missing in this? Managing the lifecycle of your PostgreSQL database is essential for maintaining optimal performance, security, and feature access. In these cases, having a rollback plan is essential to quickly restore service stability. Create new databases with unsupported engines, restore snapshots. We recommend that you upgrade to the latest minor versions to fix known security vulnerabilities in prior versions of PostgreSQL, and to benefit from the bug fixes, performance improvements, and new functionality added by the PostgreSQL community. They play a crucial role in maintaining database My engine version upgrade for Amazon Relational Database Service (Amazon RDS) for PostgreSQL or Amazon Aurora PostgreSQL-Compatible Edition is stuck or failed. If ZDP completes successfully, application sessions are preserved and the database engine restarts while the upgrade is in progress. 09. A major version upgrade increases the integer part of the version number, such as upgrading from 10. I wonder why, for I have a few questions in regards to upgrading the RDS instance. Ensure Auto Minor Version Upgrade is enabled for RDS to automatically receive minor engine upgrades during the maintenance window. The recommended way to upgrade is Nov 16, 2023 · In this post, we show how to use the AWS Advanced JDBC Wrapper Driver to do a reduce downtime to one second or less when doing a minor version upgrade on either Multi-AZ Amazon Relational Database Service (Amazon RDS) for PostgreSQL or Multi-AZ Amazon RDS for MySQL with two readable standbys. 9, 15. The major version upgrade for my Amazon Relational Database Service (Amazon RDS) for PostgreSQL instance failed because of issues with the PostGIS extension. Generally, Amazon RDS aims to support new engine versions within five months of their availability. This means the contents of this post won’t work with RDS for PostgreSQL minor version upgrades. If you enable the Auto minor version upgrade option when creating or modifying a DB instance or Multi-AZ DB cluster, you can have your database automatically upgraded. 1, the 10 is the major version number and the 1 is the minor version number, meaning this would be the first minor release of the major release 10. global_db_rpo parameter for the cluster. Amazon RDS will support additional 14. The PostgreSQL community released PostgreSQL 16. Sources Oracle AWS RDS - Fallback Method after Minor Update | AWS re:Post AWS RDS Aurora Mysql Minor Version Upgrade Recommendation | AWS re:Post A lot of postgres versions suddenly deprecated | AWS re:Post Implement a rollback strategy for Amazon Aurora PostgreSQL upgrades using Amazon RDS Blue/Green deployments | AWS Database Blog By using Amazon RDS Blue/Green Deployments, you can stay current on security patches, improve database performance, and adopt newer database features with short, predictable downtime. For more information, see Amazon RDS event categories and event messages for Aurora. For Multi-AZ DB clusters, major version upgrades are only supported for RDS for PostgreSQL. 5. 16. It’s an exciting episode packed with lots of real world experiences and examples from GitLab and Instacart! Aug 3, 2018 · (UPD: AWS already supports multi-major version upgrade). Various methods to upgrade to a new major version on various The following settings in the AWS CLI command modify-db-cluster and the RDS API operation ModifyDBCluster don't apply to Multi-AZ DB clusters. Dec 2, 2022 · RDS performs instance DB maintenance & upgrades when the OS needs an upgrade for critical security patches or when the version is upgraded. 13, 12. If an update is available, it is indicated in the Maintenance column for the DB instance on the Amazon RDS console, as shown in this figure. Feb 19, 2016 · AWS also recommends logical replication to minimise downtime during major version upgrade. May 9, 2024 · This release of RDS for PostgreSQL also includes support for pgvector 0. aws rds describe-db-engine-versions ^ --engine aurora-postgresql ^ --engine-version version-number ^ --query "DBEngineVersions[]. One of the most effective ways to achieve this is by using the Blue/Green deployment technique. We have a recommendation to upgrade our databases to a newer major engine version for our PostgreSQL RDS instances. You can modify a DB instance using the console, the modify-db-instance CLI command, or the ModifyDBInstance RDS API operation. For information about valid engine versions, see CreateDBInstance , or call DescribeDBEngineVersions . Overview of Amazon RDS Extended Support Aurora automatically enrolls databases in RDS Extended Support after standard support ends, upgrading to latest minor version. Nov 5, 2019 · The current version is 9. In this post, we discuss this new feature, its benefits, and the steps to set it up. For releases before Aug 4, 2022 · Amazon Relational Database Service (Amazon RDS) for PostgreSQL now supports PostgreSQL minor versions 14. Amazon RDS applies its mandatory updates automatically, on a schedule. Enhance performance and streamline operations today. 5 to happen during the maintenance window. We strongly recommend upgrading any Aurora Serverless v1 DB clusters to Aurora Serverless v2 before that date. Dec 27, 2024 · As a reminder, Amazon Aurora PostgreSQL 12 standard support ends on Feb 28, 2025. 6 on January 1, 2025, you have taken the necessary action to address the end of standard support for older minor versions. While the managed Blue/Green Mar 31, 2025 · If you have already upgraded all your RDS instances to PostgreSQL 16. May 13, 2024 · Important Since November 22nd, 2024, Amazon RDS Blue/Green deployments for RDS for PostgreSQL minor version upgrades use physical replication slots which do not support table modifications on the green instance. Learn more about Logical replication in PostgreSQL - https:/ Nov 16, 2023 · Amazon RDS Multi-AZ deployments with two readable standbys (Amazon RDS Multi-AZ DB cluster) for PostgreSQL now supports typically 35 seconds or less of write downtime for minor version upgrades and system maintenance updates. With the latest support for minor versions 17. Current PostgreSQL version numbers consist of a major and a minor version number. We have a MySQL instance with version 8. Dec 20, 2024 · Database engine versions that reach end-of-standard support can significantly increase operational costs for organizations running Amazon RDS instances. Upgrading to a newer database engine version can help eliminate additional extended support fees while improving performance, security, and overall database efficiency. These are likely critical security updates. We're outgrowing our RDS instance (spikes of 100% CPU usage causing massive latency of requests to our server) so need to upgrade it. 7. r6i. To minimize the downtime during maintenance operations Sep 15, 2023 · Newer versions of Amazon Aurora PostgreSQL-compatible edition are now available and database cluster (s) running Aurora PostgreSQL minor versions 11. Review the impact to your database and applications before modifying your DB instance settings. Skipping major versions helps save database downtime and upgrade efforts. minor. I want to schedule a major version upgrade to 14. Dec 14, 2023 · In E95 of “5mins of Postgres”, we talk about zero downtime Postgres upgrades and how to logically replicate very large tables. Amazon RDS also applies DB instance modifications that you didn't immediately apply. 6 is indeed the recommended version as of the information provided. There are two kinds of engine upgrades for PostgreSQL databases: major version upgrades and minor version upgrades. 21. In this post, we discuss the best practices to handle the AWS DMS tasks during PostgreSQL upgrades to minor or major versions. For PostgreSQL versions lower than 10, the engine version number is in the form major. Includes commands to check versions, upgrade PostgreSQL, and best practices for secure and scalable databases. Until recently, our hosted Medplum service was using an Amazon Web Services (AWS) RDS Aurora Postgres cluster running version 12. Dec 9, 2021 · When upgrading aurora database with Postgresql, is there a downtime involved? I know, that there is a zdp, when using aurora 2. These upgrades, such as moving from version 16. 7 with MySQL, but with Prostgresql, i do not know. Even when doing a manual backup right beforehand, it is not deterministic. Feb 15, 2024 · Tired of juggling database upgrades with downtime stress? Fear not, fellow devs! This blog post unveils the secret weapon in your arsenal: a seamless transition From PostgreSQL 14 to PostgreSQL 16 When Amazon RDS supports a new version of a database engine, you can upgrade your DB instances to the new version. side-by-side upgrade approaches Amazon RDS for PostgreSQL and Aurora PostgreSQL end of life timeline The PostgreSQL community releases a new major version yearly, with a defined end of life (EOL) policy of older major versions. 4. Modify -> Minor Version Upgrade and Actions -> Patch for Aurora PostgreSQL and PostgreSQL RDS Dec 12, 2024 · With the recent addition of physical replication as an option for RDS Blue/Green Deployments, you can overcome most of the limitations of logical replication. 11, 9. We can find out if the option is enabled by running the following command: Replace your database & your region aws rds describe- db -instances -- db -instance-identifier <your database name> --region <your region> --query Due to budget constraints we currently have multi-AZ turned off on our postgres RDS instance. 7/8, PostgreSQL, MariaDB,) and noticed some have Auto minor version upgrade disabled and some have it enabled. Dec 5, 2024 · Simplifying Database Version Upgrades with AWS RDS Blue/Green Deployments How to upgrade your database version without breaking Production Cloud infrastructure demands smooth and seamless By using Amazon RDS Blue/Green Deployments, you can stay current on security patches, improve database performance, and adopt newer database features with short, predictable downtime. 22. This capability allows you to take advantage of the most recent performance improvements, bug fixes, and any new security fixes or patches from the latest We have an RDS cluster with 1 writer and 1 reader in the same region but different AZ's Auto minor version upgrades is enabled. By using patches for PgBouncer from AWS, you can further reduce this write downtime to typically one second or less. Dec 27, 2014 · To avoid losing data you would have to come up with a data integrity validation strategy prior to upgrade and post upgrade even if is minor upgrade. 3 to 16. Thus, it’s important to plan, test, and implement this […] All RDS upgrades (version upgrades, instance type upgrades, etc. 6. 9 will reach its end of standard support in March 2025, while major version 14 will reach its end of standard support in February 2027. 11, 11. Then if an upgrade path exists for the DB cluster's instances to a minor DB engine version that has AutoUpgrade set to true, the upgrade will take place. For some RDS for MySQL major versions in some AWS Regions, one minor version is designated by RDS as the automatic upgrade version. 12, it's generally recommended to follow a step-by-step approach for major version upgrades. To see a list of available versions, and also defaults for newly created DB instances, use the describe-db-engine-versions AWS CLI command. 13, 14. Have an AWS Identity and Access Management (IAM) user and appropriate permissions to manage Amazon RDS, Amazon EC2, Amazon S3, Amazon SNS, AWS Secrets Manager, and AWS Systems Manager. 14, 11. Mar 24, 2024 · Upgrade your PostgreSQL database with confidence using our major version upgrade guide. Oct 12, 2023 · By using Amazon RDS Blue/Green deployments, you can effectively reduce the risk and downtime often associated with major or minor engine version upgrades, ensuring a seamless update experience. I suspect the reason behind this is that the instances must be on the same minor version to perform replication. Upgrade paths for PostgreSQL-compatible clusters to use Aurora Serverless v2 If your original cluster is running Aurora PostgreSQL, choose the appropriate procedure depending on the engine version and engine mode of your cluster. 0, which lets you index vectors larger than 2,000 dimensions and adds support for scalar and binary quantization through expression indexes. Therefore, your DB cluster might experience downtime while Amazon RDS upgrades the cluster writer instance. To learn how to upgrade an Aurora PostgreSQL global database to a higher major version, see Major upgrades for global databases. What is the downtime when upgrading the instance from let's say small to large. 8) of an AWS RDS Postgres DB via the AWS Console, it does a backup and then does the restart for the upgrade. 5, 16. 21, users are encouraged to upgrade to these versions to enhance security and performance. ValidUpgradeTarget[?IsMajorVersionUpgrade == `true`]. Dec 31, 2024 · Learn to manage PostgreSQL versions on AWS RDS. In this guide, we will delve into essential details about these minor . When Amazon RDS or Aurora support a new major version of a database engine, for example, PostgreSQL 10 to 11, you can upgrade your DB instances to the new version. g. But whatever avenue i try to go down there appears to be something blocking a low-downtime upgrade. 3. 3, 13. You also can't modify these settings for Multi-AZ DB clusters in the console. The primary benefits these improvements provide include preservation database and file system metadata, which allows for a faster database restart as part of the update process. Mar 15, 2023 · I found that Amazon applies some updates, at least on Aurora RDS, even when "auto minor version upgrade" is disabled. I want to upgrade to the next minor version with limited downtime. For example, minor version 14. I am wondering the right procedure to do this since my Postgres has read replica so it is a bit more than just Modify. You can either upgrade to a newer major version or continue to run Amazon Aurora PostgreSQL 12 past the end of standard support date with RDS Extended Support. Feb 15, 2024 · Whether you’re a seasoned AWS user or just starting out, this blog post will equip you with the knowledge and confidence to navigate RDS downgrade using our pre-upgrade snapshot. Note: Downtime doesn't occur when you turn on automatic minor version upgrades. 5, typically involve patches to the binary installation of the database version. The upgrade can involve a change in the major version number of the database engine. Also, you cannot get access to PostgreSQL superuser, because Amazon only allows creating a user with RDS_SUPERUSER role with some limits. In this solution, we use AWS Systems Manager to automate the Amazon RDS upgrade job. Jul 1, 2025 · Fluent Commerce strategically combined AWS-based upgrade approaches—including snapshot restores and AWS DMS ongoing replication—to upgrade their 32 TB Aurora PostgreSQL databases with minimal downtime. 10 while reducing the downtime. While the expectation is that instances with AMVU allowed will be automatically updated to the latest minor version soon after its release, the actual usage is that periodically AWS will decide to apply a minor version to all applicable instances that allow AMVU. 11 or higher. This DB was responsible for storing transactions within Lyft and contains ~400 tables (with partitions) and ~30TB of data. ZDP preserves client connections while the database engine restarts. For more information, see Configuring and managing a Multi-AZ deployment for Amazon RDS. 6, it's important to consider the recommended upgrade path and potential implications. 8 to 16. Even with Amazon RDS for PostgreSQL simplifying operations, version upgrades remain a critical task for database administrators, especially in large-scale deployments A database in this context is an RDS for PostgreSQL DB instance or Multi-AZ DB cluster. Feb 18, 2025 · When working with Amazon RDS for PostgreSQL, minimizing downtime during upgrades is essential to maintain high availability. You […] May 28, 2025 · In this post, we guide you through setting up automation for pre-upgrade checks and upgrading a fleet of Amazon RDS for PostgreSQL instances. 9 or 17. So if Mar 17, 2025 · In this post, we explore how pgactive can perform rolling major version upgrades for Amazon Relational Database Service (Amazon RDS) for PostgreSQL, allowing for a smoother transition with reduced impact on your applications. For example, you can upgrade the major or minor DB engine version or change database parameters in the staging environment. ). This can lead to dropped DB connections during the minor version upgrade as any engine-level version upgrade involves RDS downtime. 0. 6 is a major version upgrade. If a major version is specified but a minor version isn't, Amazon RDS defaults to a recent release of the major version that you specified. If you switch to Aurora MySQL, this service has zero-downtime patching. This doesn't change your DB engine version or the instance class of your Amazon Aurora DB instance. Jun 20, 2025 · Amazon Aurora PostgreSQL-Compatible Edition supports managed blue/green deployments to help reduce downtime and minimize risk during updates. Downtime occurs only when Aurora applies the automatic upgrade. Currently running 5. When you perform a major version upgrade of an Amazon Aurora global database, you upgrade the global database cluster instead the individual clusters that it contains. This streamlines the release process and ensures faster delivery of critical updates. There are two kinds of upgrades for MySQL databases: major version upgrades and minor version upgrades. 22-RDS. Aurora DB cluster failover events If your DB cluster has Aurora replicas, then Aurora promotes a replica to the primary instance during failover events. major. x end of support is February 29, 2024 Amazon RDS for PostgreSQL 11 […] Learn how to perform minimal downtime PostgreSQL Major version upgrade using logical replication. In such cases, use the information in the versions table to perform Upgrade Amazon Aurora DB clusters automatically to the latest minor version by enabling auto minor version upgrade, or manually control upgrades to new major versions. x to upper version native replication can be used, for older versions you can use pglogical (you can use pglogical on latest versions also) -- both solutions supported by RDS. Check the value of the Enable auto minor version upgrade option for all your Aurora PostgreSQL DB clusters by using the describe-db-instances AWS CLI command as follows. A blue/green deployment copies a production database environment to a separate, synchronized staging environment. We'd like to do it during the next maintenance window on October 20th. By using Amazon RDS features such as Multi-AZ, you can minimize downtime if you later modify the DB instance. Auto minor version upgrade is enabled on that instance. 8 and I intend to upgrade this to PostgreSQL 16. minor. 15 DB cluster to Aurora PostgreSQL 13. * minor versions that the PostgreSQL community releases between these dates. After a minor version has been tested and approved by Amazon RDS, the minor version upgrade occurs automatically during your maintenance window. Blue/green deployments reduce the risks and downtime for database updates, such as major or minor engine version upgrades. So you will always have some downtime. Under what conditions can an Auto Minor Version Upgrade cause brief downtime? This is (for now) the default behavior of RDS Postgres upgrades and cant be changed. The AutoUpgrade setting is dynamic, and is set by RDS. This process involves downtime and should be done within a preferred maintenance window only. Jan 29, 2024 · Motivation We currently run an Aurora PostgreSQL in RDS with the engine version 12. 17, and 11. Is the downtime relatively similar when you go and c Quick adoption of new PostgreSQL community releases while separately managing RDS-specific enhancements through subsequent releases. pglogical extension, DMS tasks) but those sound a bit of an overkill to me for an upgrade which does include always backward compatible changes. After this downtime, you can resume When upgrading your RDS PostgreSQL databases to version 16. 23 running for a few months now and this is the max version supported on the third party service we are using. Viewing pending maintenance updates View whether a maintenance update is available for your DB instance by using the RDS console, the AWS CLI, or the RDS API. 0 DEED Introduction Our payment platform team had the unique challenge to upgrade our Aurora Postgres DB from v10 to v13. Next to that practically all of them have the "New Operating System update is available" maintenance waiting, which can be applied now or in the next maintenance window. This has been a misunderstood RDS feature for a very long time, and one that still doesn't reflect what many customers expect. 4 to 17. Hardware maintenance Amazon RDS schedules hardware maintenance when the underlying hosts of your DB instances are running on degraded hardware. Amazon RDS Multi-AZ deployments with two readable […] A database in this context is an RDS for PostgreSQL DB instance or Multi-AZ DB cluster. The reader and writer cluster roles don't switch during the upgrade. Discover Amazon Aurora PostgreSQL engine releases, updates, and instructions for upgrading your Aurora PostgreSQL DB clusters. 3 on a db. For RDS for PostgreSQL Multi-AZ DB cluster read replicas, Amazon RDS upgrades the cluster member instances one at a time. Minor version upgrades and patches become available in Amazon Web Services Regions only after rigorous testing. Minor version upgrades are supported for all engines that support Multi-AZ DB clusters. 15 Automatic minor version upgrades are communicated in advance through an Amazon RDS DB cluster event with a category of maintenance and ID of RDS-EVENT-0156. The primary and secondary clusters are in different AWS Regions. Nov 16, 2023 · Amazon Relational Database Service (Amazon RDS) Multi-AZ deployments with two readable standbys now supports minor version upgrades and system maintenance updates with typically less than one second of downtime when using Amazon RDS Proxy. {EngineVersion:EngineVersion}" ^ --output text In some cases, the version that you want to upgrade to isn't a target for your current version. If an RDS instance that uses Multi-AZ fails, Amazon will automatically kick off a fail-over, but you will still experience about 3 - 5 minutes of downtime. 6 to 9. Although AWS introduced this feature for PostgreSQL in December 2023, it still has some limitations that may prevent you from fully leveraging it: RDS Proxy is not Hello 👋. This feature allows you to more frequently upgrade your clusters to newer PostgreSQL minor versions while My Amazon Relational Database Service (Amazon RDS) DB instance requires maintenance, and I want to minimize downtime. May 22, 2025 · 0 When I initiate a minor version upgrade (e. In this post, we explore a pragmatic and cost-effective approach to achieve near-zero downtime during database upgrades. minor to 11. 2 We received an email to sa Nov 17, 2023 · Amazon Relational Database Service (RDS) for PostgreSQL now supports the latest minor versions PostgreSQL 15. However, my Postgres is on version 14. Our goal is to upgrade this engine to version 14. For example, in the version number 10. This allows RDS to automatically apply minor version upgrades with new features, bug fixes, and security patches during the scheduled maintenance window. Nov 16, 2023 · Amazon RDS Multi-AZ deployments with two readable standbys now supports minor version upgrades and system maintenance updates with typically 1 second or less of downtime when used with Amazon RDS Proxy. See the Amazon Aurora PostgreSQL and Amazon RDS for PostgreSQL announcements to upgrade your databases: Announcement: Amazon Aurora PostgreSQL 11. I want to calculate downtime when my Amazon Relational Database Service (Amazon RDS) for PostgreSQL instance has a major version upgrade. May 29, 2025 · Familiarize yourself with the Amazon RDS upgrade process by referring to How to perform a major version upgrade for RDS for PostgreSQL. Dec 28, 2022 · We recommend that you first upgrade to minor version 10. Learn how to modify an Amazon Aurora DB cluster to accomplish tasks such as changing its backup retention period or its database port. May 28, 2025 · Familiarize yourself with the Amazon RDS upgrade process by referring to How to perform a major version upgrade for RDS for PostgreSQL. 6 as an available option in the drop-down box for your database on version 13. I doubt the downtime will be zero but, again, your setup is the big factor. 11 prior to upgrading the database using pglogical extension. From experience= i migrated postgreSQL 9. I want to know the root cause for the restart, recover, or failover of my Amazon Relational Database Service (Amazon RDS) DB instance. mysql_aurora. In contrast, a minor version upgrade includes only changes that are backward-compatible with existing applications. On April 30, 2025, 12:01 AM PDT, any PostgreSQL databases running minor version 11. For each RDS for PostgreSQL major version, one minor version is designated by RDS as the automatic upgrade version. 18, and 13. So, I have disabled the 'Auto minor version Minor version upgrades in typically under 1 second Reduce minor version upgrade downtime to typically under 35 seconds. We recommend you upgrade to the latest minor versions to fix known security vulnerabilities in prior versions of PostgreSQL, and to benefit from the bug fixes, performance improvements, and new functionality added by the PostgreSQL community. Oct 12, 2024 · Automatic minor upgrade When you are creating the db instance you will find a checkbox that will enable automatic minor version upgrades like the following image. In general terms it was good and Mar 11, 2024 · Photo by Frank Olsen UNDER CC BY-SA 3. Aurora PostgreSQL-Compatible When you perform a major upgrade on an Aurora PostgreSQL cluster, it's a best practice to test your applications on the upgraded version. 15 to 16. Updates require a database restart, so you typically experience 20–30 seconds of downtime. You can read more about it in the official AWS Documentation: Using Amazon RDS Blue/Green Deployments for database updates Jun 7, 2022 · When I upgrade a local PostgreSQL instance the minor upgrade process is extremely quick but there isn't a guarantee that the RDS version will be as fast, especially depending on your configuration (multi AZ, read replicas, etc. Access to bug fixes, new features, security updates, and extension updates while maintaining compatibility with the PostgreSQL minor version. 7, 12. PostgreSQL 16. 10, 13. When can we expect Apr 21, 2025 · When you decide to upgrade your PostgreSQL database which is configured as source or target for an ongoing AWS DMS task, it’s important to factor this into your upgrade planning. For upgrades from PostgreSQL 10. ) require a few minutes of scheduled downtime. So the actual downtime is not clearly determined as the backup can take 1 minute or 20 minutes. 16, and 10. Mar 5, 2021 · Amazon RDS for PostgreSQL uses the native pg_upgrade utility to upgrade the instance to a new major version. The repeated emails you're receiving are likely part of a general notification system that Amazon sends to all RDS What are Version Upgrades RDS/Aurora PostgreSQL has 2 types of version upgrades : a) Minor Version Upgrades introduce changes that maintain backward compatibility with existing applications. RDS PostreSQL cluster. For example, upgrading an Aurora PostgreSQL 11. 16. For more information, see Using Amazon RDS Blue/Green Deployments for database updates. Even with thorough planning and testing in non-production environments, unexpected issues can emerge after a version upgrade. RDS doesn't automatically set newer released May 12, 2020 · AWS provides two managed PostgreSQL options: Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL. Feb 11, 2024 · I was recently tasked to upgrade multiple AWS RDS Postgres Databases to higher versions without having any downtime to the application(Yes… May 9, 2023 · The minor version update improvements for Amazon Aurora PostgreSQL-Compatible Edition provide a number of improvements to the update process. 4xlarge instance with 18 TB of data, here are some key points to consider: Creation of the Green environment: The process begins by creating a staging (Green Aug 18, 2023 · Important AWS has announced the end-of-life date for Aurora Serverless v1: March 31st, 2025. For example, you can upgrade the major or minor DB engine version or change database parameters in the staging environment The minor version number is the fractional part of the version number. Oct 17, 2024 · In this example, my source database is running PostgreSQL 15. Alternatively, you can enable Automatic Minor Version Upgrade [3] to allow Amazon RDS to upgrade your instances. Please refer Aug 23, 2021 · Make sure the source database is at version 9. The only way to avoid downtime (5-10 min) is to add more instances to the cluster (which effectively doubles costs, but it is what it is). 20 and I want to upgrade to 9. Small validation and the downtime was 12 minutes due to manual snapshot and automatic pre-upgrade and post-upgrade performed by AWS RDS. Certain maintenance operations, such as OS updates and database patching, cause downtime on your DB instance. Hi all! I've come in charge of a lot of RDS databases, in all flavors (MySQL 5. Nov 14, 2024 · Medplum is built on Postgres. In this post, we delve into the advantages of using In a casual tone, it's important to make sure your Amazon RDS database instances have the Auto Minor Version Upgrade feature turned on. tqvnfd bigq etac fbzorb czacyq euro vres vbvt jfgddhu kdhwl