Aiven vs Amazon Aurora
SEPT 2026 auditA comparison of Aiven and Amazon Aurora built from values read directly from each provider's own documentation, with the source recorded against every figure.
The short answer
Choose Aiven if…
Teams who want more than one open-source data service from one vendor and one bill — Postgres beside Kafka, ClickHouse or OpenSearch — with the availability tier chosen per service rather than fixed.
Editorial · Palash Bagchi · approved
Choose Amazon Aurora if…
Teams on AWS who want a Postgres or MySQL cluster that can throw off a copy-on-write clone of production in minutes, keep up to fifteen readers behind it, and pause to nothing between bursts in serverless mode.
Editorial · Palash Bagchi · approved
Consider something else if…
- Aiven: You want long recovery history on a cheap plan. Backup history is what the plan tiers buy here: two days on the entry paid plan against thirty at the top.
- Amazon Aurora: You want the upstream database rather than a compatible one, or a branch workflow rather than a clone. AWS documents cloning as a way to build a test environment, not as something you do per pull request.
Neither quite fits? Every other option, ranked by iScore: Aiven alternatives · Amazon Aurora alternatives
15 sourced criteria separate them — see where, with sources, below.
Pick the criteria you care about. The chart counts how many of them lean toward each provider — the same read as scanning the bars below, just totalled for the ones you chose.
Aiven 0
Amazon Aurora 0
At a glance.
| Criterion | Aiven | Amazon Aurora |
|---|---|---|
| Pricing | ||
| Free tier | Yes — indefinite, but idle services are powered off | No — capped Free plan plus time-limited credits |
| Kind of free offer | Always free | Introductory free tier |
| When the free offer ends | Never — free services have no time limitations. | 6 months after the account is opened, or when the credits run out — whichever comes first. |
| Entry paid plan | $5 a month for Developer — one VM, 1 CPU, 1 GB RAM, 8 GB storage, with no choice of cloud or region and no connection pooling. The first plan that behaves like a production service is Startup at $75 a month or $0.10 an hour, which is where the uptime SLA and multi-CPU sizing begin; Hobbyist sits between them at $12. | No plan fee and no minimum commitment — Aurora charges for what you use. AWS's own worked example prices serverless compute at $0.12 per ACU-hour on Aurora Standard in US East (N. Virginia), and the smallest capacity you can set is 0.5 ACUs; storage and I/O are billed separately. |
| Pricing model | Fixed plans quoted both monthly and hourly, with the plan setting CPU, RAM and storage together rather than metering them separately. Aiven describes the pricing as all-inclusive: backups, monitoring and support come with the plan instead of appearing as line items. Higher tiers buy node count and backup history — Business adds a standby node, Premium a second. | Pay per use with no plan fee: instances plus storage plus I/O, or ACU-hours in serverless mode. AWS's own worked example prices serverless compute at $0.12 per ACU-hour on Aurora Standard and $0.156 on Aurora I/O-Optimized in US East (N. Virginia) — the difference being whether I/O is metered separately or folded into a higher compute and storage rate. Provisioned instances also offer Reserved Instance pricing, and usage may qualify for Database Savings Plans against a committed hourly spend. |
| Execution | ||
| Managed connection pooling | Supported — not on the Free or Developer tiers | Supported — through Amazon RDS Proxy, a separate feature of the service |
| Infrastructure | ||
| Regions | 153 regions across six clouds — AWS 25, Google 42, Azure 39, OVH 22, UpCloud 16, DigitalOcean 9 — counted from Aiven's own reference list, which publishes the regions and no total. No magnitude is recorded, because Aiven states on that same page that the list differs per project and that not all service types are available in every cloud and region: the number is the platform's reach, not PostgreSQL's, and a bar drawn from it would be compared against providers whose counts are engine-specific. | 34 AWS regions, the same list for the MySQL- and PostgreSQL-compatible editions. Counted from the two availability tables in Aurora's own docs, which publish the regions and no total. |
| Uptime SLA | 99.99% from Startup ($75/month), the entry paid plan, upward. | 99.99% for a cluster deployed across two or more Availability Zones; 99.9% for a single-AZ cluster. Both are service-credit thresholds. |
| Data | ||
| Engine | PostgreSQL, alongside MySQL, ClickHouse, OpenSearch, Valkey, Kafka, Flink and Grafana. Aiven runs the upstream projects rather than a compatible reimplementation, which is why its own docs point at postgresql.org for per-release detail. | MySQL- and PostgreSQL-compatible. Aurora is AWS's own engine rather than a hosted build of either, so compatibility is the claim being made — existing code, tools and applications are stated to work, which is not the same as being the upstream database. |
| Connection limit | Set per plan, not by a formula: 100 on the entry paid plan (Startup-4), rising to 200, 400, 800 and 1000 as the plan grows, with 25 on Hobbyist, 20 on Free and 15 on Developer. Aiven states plainly that it does not apply a per-GiB formula, and that some of the allowance is used by Aiven itself to manage the service. | Derived from memory, not set per plan. On Aurora serverless the default follows the maximum ACU setting — 90 connections on MySQL and 189 on PostgreSQL at 1 ACU, 135/823 at 4 ACUs, 1,000/1,669 at 8 ACUs — and a minimum capacity of 0 or 0.5 ACUs caps PostgreSQL at 2,000. |
| Database branching | Limited — a full copy from the latest backup, not copy-on-write | Limited — clones, not a branch workflow |
| Point-in-time recovery | Bounded by the plan's backup history, so 2 days on the entry paid plan and 30 at the top. Granularity is fine within that: full backups daily with write-ahead logs copied every 5 minutes or per new file, whichever comes first. | Any point inside the backup retention period, so up to 35 days. Aurora's backups are continuous and incremental against the cluster volume rather than periodic snapshots plus log replay, which is why AWS states no performance impact while they are taken. |
| Read replicas | Supported | Supported — 15 per cluster, a quota AWS will not raise |
| Backup retention | By plan: none on Hobbyist, 2 days on Startup, 14 on Business, 30 on Premium. The magnitude is Startup's 2 days, the entry paid plan. Aiven's high-availability page states 2 days for Hobbyist where the backups page states none — the backups page is the more specific of the two and is what is recorded here. | 1 to 35 days. Unlike an RDS DB instance it cannot be set to 0 — Aurora backs the cluster volume up continuously and there is no way to turn that off. |
| Compliance | ||
| SOC 2 | We also provide ISAE 3000/SOC2 Type II reports. | Assessed by third-party auditors under multiple AWS compliance programs, SOC among them; the docs name SOC, not SOC 2. Reports download via AWS Artifact. AWS names the SOC program, not a SOC 2 type. |
| HIPAA | Our services are ISO 27000-series, GDPR, CCPA, HIPAA and PCI-DSS compliant. | Listed as a HIPAA-eligible service on AWS's own reference page. |
| Encryption at rest | All data is fully encrypted end-to-end at rest and in transit. | On by default: all new database clusters created on or after February 18, 2026 are encrypted at rest with AES-256 under an AWS KMS key. |
| Private networking / VPC | Deploy services directly into your own cloud account for data residency and VPC peering. | Clusters sit behind security groups with network access off by default; a non-public instance is reachable over Site-to-Site VPN or Direct Connect. DB clusters launch into a VPC at no additional cost. |
Where they differ.
Free tier
- Aiven
- Yes — indefinite, but idle services are powered off
- Amazon Aurora
- No — capped Free plan plus time-limited credits
Sources (2) →Sources ↓
- Free plans — Aiven docs ↗
“You don't need a credit card to create a free service and you can use them indefinitely free of charge. Free services do not have any time limitations. However, Aiven reserves the right to: Power off free services with no initial usage within the first few hours after the service is running. [...] Power off free services with no continuative activity on the service.”
Read 2026-09-09 · official docs · Report a correction
- Amazon Aurora pricing — Amazon Web Services ↗
“New AWS customers can get started with Aurora PostgreSQL serverless at no cost with the AWS Free Tier. You get $100 in AWS credits at sign-up to be used across eligible AWS services, including Aurora, for up to 12 months, in both Free and Paid plans, and you can earn an additional $100 in credits, for a total of $200. Free plan gives you access to Aurora PostgreSQL serverless instances with up to 4 ACUs and 1 GiB of storage per cluster.”
Read 2026-09-09 · official pricing · Report a correction
Kind of free offer
- Aiven
- Always free
- Amazon Aurora
- Introductory free tier
Sources (2) →Sources ↓
- Free plans — Aiven docs ↗
“You don't need a credit card to create a free service and you can use them indefinitely free of charge. Free services do not have any time limitations. However, Aiven reserves the right to: Power off free services with no initial usage within the first few hours after the service is running. [...] Power off free services with no continuative activity on the service.”
Read 2026-09-09 · official docs · Report a correction
- AWS Free Tier ↗
“The account closes on its own 6 months after you open it or when your credits run out, whichever comes first. You won't be charged unless you convert to a Paid plan.”
Read 2026-09-13 · official pricing · Report a correction
When the free offer ends
- Aiven
- Never — free services have no time limitations.
- Amazon Aurora
- 6 months after the account is opened, or when the credits run out — whichever comes first.
Sources (2) →Sources ↓
- Aiven free plan ↗
“You don't need a credit card to create a free service and you can use them indefinitely free of charge. Free services do not have any time limitations.”
Read 2026-09-13 · official docs · Report a correction
- AWS Free Tier ↗
“The account closes on its own 6 months after you open it or when your credits run out, whichever comes first.”
Read 2026-09-13 · official pricing · Report a correction
Entry paid plan
- Aiven
- $5 a month for Developer — one VM, 1 CPU, 1 GB RAM, 8 GB storage, with no choice of cloud or region and no connection pooling. The first plan that behaves like a production service is Startup at $75 a month or $0.10 an hour, which is where the uptime SLA and multi-CPU sizing begin; Hobbyist sits between them at $12.
- Amazon Aurora
- No plan fee and no minimum commitment — Aurora charges for what you use. AWS's own worked example prices serverless compute at $0.12 per ACU-hour on Aurora Standard in US East (N. Virginia), and the smallest capacity you can set is 0.5 ACUs; storage and I/O are billed separately.
Sources (2) →Sources ↓
- Plans & Pricing — Aiven ↗
“Free $0 / month [...] 1 GB total storage Cannot select a specific cloud or region No integrations or connection pooling Developer $5 / month [...] 8 GB total storage Cannot select a specific cloud or region No integrations or connection pooling Hobbyist starting from $12 / month $0.02 / hour [...] Startup starting from $75 / month $0.10 / hour [...] 99.99% uptime SLA Business starting from $180 / month $0.25 / hour”
Read 2026-09-09 · official pricing · Report a correction
- Amazon Aurora Pricing — Amazon Web Services ↗
“With Aurora, you only pay for what you use. Aurora charges for database instances and storage, along with any optional features you choose to enable. [...] With Aurora serverless , the minimum database capacity you can set is 0.5 ACUs. [...] 5 ACUs * $0.12 per ACU-hour * 30/60 hour”
Read 2026-09-13 · official pricing · Report a correction
Pricing model
- Aiven
- Fixed plans quoted both monthly and hourly, with the plan setting CPU, RAM and storage together rather than metering them separately. Aiven describes the pricing as all-inclusive: backups, monitoring and support come with the plan instead of appearing as line items. Higher tiers buy node count and backup history — Business adds a standby node, Premium a second.
- Amazon Aurora
- Pay per use with no plan fee: instances plus storage plus I/O, or ACU-hours in serverless mode. AWS's own worked example prices serverless compute at $0.12 per ACU-hour on Aurora Standard and $0.156 on Aurora I/O-Optimized in US East (N. Virginia) — the difference being whether I/O is metered separately or folded into a higher compute and storage rate. Provisioned instances also offer Reserved Instance pricing, and usage may qualify for Database Savings Plans against a committed hourly spend.
Sources (2) →Sources ↓
- Plans & Pricing — Aiven ↗
“Aiven's pricing is all-inclusive and transparent, providing you with the confidence [...] Startup starting from $75 / month $0.10 / hour [...] Business starting from $180 / month $0.25 / hour [...] Everything in Startup, plus high availability Premium starting from $270 / month $0.37 / hour”
Read 2026-09-09 · official pricing · Report a correction
- Amazon Aurora pricing — Amazon Web Services ↗
“Aurora charges for database instances and storage, along with any optional features you choose to enable. Aurora PostgreSQL and Aurora MySQL offer On-Demand and Reserved Instance pricing. [...] We want to calculate the compute costs of running this workload on Aurora serverless with the database cluster configured as Aurora Standard and Aurora I/O-Optimized in US East (N. Virginia). [...] 5 ACUs * $0.12 per ACU-hour * 30/60 hour $0.30 [...] 5 ACUs * $0.156 per ACU-hour * 30/60 hour $0.39”
Read 2026-09-09 · official pricing · Report a correction
Regions
- Aiven
- 153 regions across six clouds — AWS 25, Google 42, Azure 39, OVH 22, UpCloud 16, DigitalOcean 9 — counted from Aiven's own reference list, which publishes the regions and no total. No magnitude is recorded, because Aiven states on that same page that the list differs per project and that not all service types are available in every cloud and region: the number is the platform's reach, not PostgreSQL's, and a bar drawn from it would be compared against providers whose counts are engine-specific.
- Amazon Aurora
- 34 AWS regions, the same list for the MySQL- and PostgreSQL-compatible editions. Counted from the two availability tables in Aurora's own docs, which publish the regions and no total.
Sources (2) →Sources ↓
- Available cloud regions — Aiven docs ↗
“This is a reference list of the default cloud regions available per provider on the Aiven Platform. note The list of available clouds can differ per project. Not all Aiven service types are available for all cloud providers and regions.”
Read 2026-09-09 · official docs · Report a correction
- Regions and Availability Zones — Amazon Aurora User Guide ↗
“Aurora MySQL Region availability The following table shows the AWS Regions where Aurora MySQL is currently available and the endpoint for each Region. Region Name Region Endpoint Protocol US East (Ohio) us-east-2 rds.us-east-2.amazonaws.com HTTPS US East (N. Virginia) us-east-1 rds.us-east-1.amazonaws.com HTTPS [...] Aurora PostgreSQL Region availability”
Read 2026-09-09 · official docs · Report a correction
Uptime SLA
99.99% from Startup ($75/month), the entry paid plan, upward.
99.99% for a cluster deployed across two or more Availability Zones; 99.9% for a single-AZ cluster. Both are service-credit thresholds.
Sources (2) →Sources ↓
- Aiven Pricing ↗
“startup starting from $75 / month $0.10 / hour get building view 7 plans 1 dedicated VM 2-32 CPU per VM 4-192 GB RAM per VM 80 GB-11 TB total storage 99.99% uptime SLA”
Read 2026-09-14 · official pricing · Report a correction
- Amazon Aurora Service Level Agreement ↗
“make each Multi-AZ Cluster available with a Monthly Uptime Percentage as shown in the table below during any monthly billing cycle [...] Less than 99.99% but equal to or greater than 99.0% 10% [...] make each Single-AZ Cluster available with a Single-AZ Uptime Percentage [...] Less than 99.9% but equal to or greater than 99.0% 10%”
Read 2026-09-14 · official site · Report a correction
Engine
- Aiven
- PostgreSQL, alongside MySQL, ClickHouse, OpenSearch, Valkey, Kafka, Flink and Grafana. Aiven runs the upstream projects rather than a compatible reimplementation, which is why its own docs point at postgresql.org for per-release detail.
- Amazon Aurora
- MySQL- and PostgreSQL-compatible. Aurora is AWS's own engine rather than a hosted build of either, so compatibility is the claim being made — existing code, tools and applications are stated to work, which is not the same as being the upstream database.
Sources (2) →Sources ↓
- Aiven for PostgreSQL® — Aiven docs ↗
“Aiven for PostgreSQL is the perfect fit for your relational data. A scalable SQL database solution that can be up and running within a few minutes. [...] Find a comprehensive per-release documentation on the PostgreSQL project website.”
Read 2026-09-09 · official docs · Report a correction
- What is Amazon Aurora? — Amazon Aurora User Guide ↗
“Amazon Aurora (Aurora) is a fully managed relational database engine that's compatible with MySQL and PostgreSQL. [...] The code, tools, and applications you use today with your existing MySQL and PostgreSQL databases can be used with Aurora.”
Read 2026-09-09 · official docs · Report a correction
Connection limit
- Aiven
- Set per plan, not by a formula: 100 on the entry paid plan (Startup-4), rising to 200, 400, 800 and 1000 as the plan grows, with 25 on Hobbyist, 20 on Free and 15 on Developer. Aiven states plainly that it does not apply a per-GiB formula, and that some of the allowance is used by Aiven itself to manage the service.
- Amazon Aurora
- Derived from memory, not set per plan. On Aurora serverless the default follows the maximum ACU setting — 90 connections on MySQL and 189 on PostgreSQL at 1 ACU, 135/823 at 4 ACUs, 1,000/1,669 at 8 ACUs — and a minimum capacity of 0 or 0.5 ACUs caps PostgreSQL at 2,000.
Sources (2) →Sources ↓
- Connection limits per plan for Aiven for PostgreSQL® — Aiven docs ↗
“Default values of the max_connections setting vary according to the service plan: Plan Max connections Developer 15 Free 20 Hobbyist 25 Startup/Business/Premium-4 100 Startup/Business/Premium-8 200 Startup/Business/Premium-16 400 Startup/Business/Premium-32 800 Startup/Business/Premium-64 and above 1000 note Aiven can utilize any number of the connections for managing the service. Aiven for PostgreSQL doesn't apply a fixed per-GiB connection formula”
Read 2026-09-09 · official docs · Report a correction
- Performance and scaling for Aurora serverless — Amazon Aurora User Guide ↗
“The default value for this parameter is derived from a formula based on the memory size of the DB instance. [...] Maximum ACUs Default maximum connections on Aurora MySQL Default maximum connections on Aurora PostgreSQL 1 90 189 4 135 823 8 1,000 1,669 [...] However, when you specify a minimum capacity of 0 or 0.5 ACUs on PostgreSQL-compatible DB instances, the maximum value of max_connections is capped at 2,000.”
Read 2026-09-13 · official docs · Report a correction
Point-in-time recovery
- Aiven
- Bounded by the plan's backup history, so 2 days on the entry paid plan and 30 at the top. Granularity is fine within that: full backups daily with write-ahead logs copied every 5 minutes or per new file, whichever comes first.
- Amazon Aurora
- Any point inside the backup retention period, so up to 35 days. Aurora's backups are continuous and incremental against the cluster volume rather than periodic snapshots plus log replay, which is why AWS states no performance impact while they are taken.
Sources (2) →Sources ↓
- Aiven for PostgreSQL® backups — Aiven docs ↗
“Aiven for PostgreSQL® databases are automatically backed up, with full backups made daily, and write-ahead logs (WAL) copied at 5 minute intervals, or for every new file generated. All backups are encrypted using pghoard, an open source tool developed and maintained by Aiven.”
Read 2026-09-09 · official docs · Report a correction
- Backing up and restoring an Aurora DB cluster — Amazon Aurora User Guide ↗
“Aurora automated backups are continuous and incremental, so you can quickly restore to any point within the backup retention period. No performance impact or interruption of database service occurs as backup data is being written.”
Read 2026-09-09 · official docs · Report a correction
Backup retention
- Aiven
- By plan: none on Hobbyist, 2 days on Startup, 14 on Business, 30 on Premium. The magnitude is Startup's 2 days, the entry paid plan. Aiven's high-availability page states 2 days for Hobbyist where the backups page states none — the backups page is the more specific of the two and is what is recorded here.
- Amazon Aurora
- 1 to 35 days. Unlike an RDS DB instance it cannot be set to 0 — Aurora backs the cluster volume up continuously and there is no way to turn that off.
Sources (2) →Sources ↓
- Aiven for PostgreSQL® backups — Aiven docs ↗
“Backup retention time by plan The number of stored backups and the backup retention time depends on the service plan that you have selected. Plan Type Backup Retention Time Hobbyist None Startup 2 days Business 14 days Premium 30 days”
Read 2026-09-09 · official docs · Report a correction
- Backing up and restoring an Aurora DB cluster — Amazon Aurora User Guide ↗
“Aurora backs up your cluster volume automatically and retains restore data for the length of the backup retention period. [...] You can specify a backup retention period from 1–35 days when you create or modify a DB cluster.”
Read 2026-09-09 · official docs · Report a correction
SOC 2
- Aiven
- We also provide ISAE 3000/SOC2 Type II reports.
- Amazon Aurora
- Assessed by third-party auditors under multiple AWS compliance programs, SOC among them; the docs name SOC, not SOC 2. Reports download via AWS Artifact. AWS names the SOC program, not a SOC 2 type.
Sources (2) →Sources ↓
- Security, Privacy & Compliance | Aiven ↗
“We also provide ISAE 3000/SOC2 Type II reports.”
Read 2026-09-22 · official site · Report a correction
- Compliance validation for Amazon Aurora — Amazon Aurora User Guide ↗
“Third-party auditors assess the security and compliance of Amazon Aurora as part of multiple AWS compliance programs. These include SOC, PCI, FedRAMP, HIPAA, and others. [...] You can download third-party audit reports using AWS Artifact.”
Read 2026-09-13 · official docs · Report a correction
HIPAA
- Aiven
- Our services are ISO 27000-series, GDPR, CCPA, HIPAA and PCI-DSS compliant.
- Amazon Aurora
- Listed as a HIPAA-eligible service on AWS's own reference page.
Sources (2) →Sources ↓
- Security, Privacy & Compliance | Aiven ↗
“Our services are ISO 27000-series, GDPR, CCPA, HIPAA and PCI-DSS compliant.”
Read 2026-09-22 · official site · Report a correction
- HIPAA Eligible Services Reference — AWS ↗
“The services listed below are eligible to create, receive, process, maintain, or transmit electronic protected health information (ePHI). [...] Amazon Aurora AWS B2B Data Interchange AWS Backup AWS Batch Amazon Bedrock Amazon Bedrock”
Read 2026-09-13 · official site · Report a correction
Encryption at rest
- Aiven
- All data is fully encrypted end-to-end at rest and in transit.
- Amazon Aurora
- On by default: all new database clusters created on or after February 18, 2026 are encrypted at rest with AES-256 under an AWS KMS key.
Sources (2) →Sources ↓
- Security, Privacy & Compliance | Aiven ↗
“All data is fully encrypted end-to-end at rest and in transit.”
Read 2026-09-22 · official site · Report a correction
- Encrypting Amazon Aurora resources — Amazon Aurora User Guide ↗
“are encrypted at rest using industry standard AES-256 encryption. This encryption happens automatically in the background, securing your data without requiring any action from you. [...] Amazon Aurora uses an AWS Key Management Service key to encrypt these resources.”
Read 2026-09-13 · official docs · Report a correction
Private networking / VPC
- Aiven
- Deploy services directly into your own cloud account for data residency and VPC peering.
- Amazon Aurora
- Clusters sit behind security groups with network access off by default; a non-public instance is reachable over Site-to-Site VPN or Direct Connect. DB clusters launch into a VPC at no additional cost.
Sources (2) →Sources ↓
- Aiven - Your AI-ready Open Source Data Platform ↗
“Deploy services directly into your own cloud account for data residency and VPC peering.”
Read 2026-09-21 · official site · Report a correction
- Infrastructure security in Amazon Aurora — Amazon Aurora User Guide ↗
“Security groups control the access that traffic has in and out of a DB cluster . By default, network access is turned off to a DB cluster . [...] If your DB instance is in a VPC but isn't publicly accessible, you can also use an AWS Site-to-Site VPN connection or an Direct Connect connection to access it from a private network.”
Read 2026-09-13 · official docs · Report a correction
When these numbers change, hear about it. Sources are re-checked monthly; a repricing goes out as a short note.
Documented by only one.
These criteria are published by one provider and not the other. An absence here means we have not found a source, not that the feature is missing — except where we say we read the other provider's own page on a given date and it does not state it. Those rows lean, and the provider can correct them with a link.
Questions this comparison answers.
Entry paid plan: Aiven or Amazon Aurora?
Aiven: $5 a month for Developer — one VM, 1 CPU, 1 GB RAM, 8 GB storage, with no choice of cloud or region and no connection pooling. The first plan that behaves like a production service is Startup at $75 a month or $0.10 an hour, which is where the uptime SLA and multi-CPU sizing begin; Hobbyist sits between them at $12.
Amazon Aurora: No plan fee and no minimum commitment — Aurora charges for what you use. AWS's own worked example prices serverless compute at $0.12 per ACU-hour on Aurora Standard in US East (N. Virginia), and the smallest capacity you can set is 0.5 ACUs; storage and I/O are billed separately.
Free tier: Aiven or Amazon Aurora?
Aiven: Yes — indefinite, but idle services are powered off
Amazon Aurora: No — capped Free plan plus time-limited credits
Should I choose Aiven or Amazon Aurora?
Pick Aiven if Teams who want more than one open-source data service from one vendor and one bill — Postgres beside Kafka, ClickHouse or OpenSearch — with the availability tier chosen per service rather than fixed.
Pick Amazon Aurora if Teams on AWS who want a Postgres or MySQL cluster that can throw off a copy-on-write clone of production in minutes, keep up to fifteen readers behind it, and pause to nothing between bursts in serverless mode.

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