Frequently Asked Questions about SkySQL

This Frequently Asked Questions (FAQ) list answers 91 questions in 11 categories. We last updated answers on 2020-12-06.

SkySQL DBaaS

What is SkySQL?

MariaDB SkySQL is a database-as-a-service (DBaaS) developed and managed by MariaDB Corporation. SkySQL is the only DBaaS to deliver MariaDB Platform, with MariaDB Enterprise Server, on expert-maintained multi-cloud infrastructure.

This answer was last updated 2020-07-10.
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Can I use SkySQL?

Yes. MariaDB SkySQL is available for immediate use. Sign up today and get started. You will be asked to enter credit card information upon launch of your first service.

This answer was last updated 2020-10-15.
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How do I sign up for SkySQL?

  1. Go to https://cloud.mariadb.com/

  2. Log in or register for a MariaDB ID using social login or email.

  3. Once registered, you can get started right away by launching a service, connecting, and loading data.

This answer was last updated 2020-10-15.
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Why would I choose a DBaaS over an on-premises deployment?

Our platform and experts handle the infrastructure needs, allowing you to focus on your core business.

When you choose MariaDB SkySQL, a full-featured DBaaS, you forego the capital expenditure of buying hardware, the delay of waiting for new systems to ship every time you need to scale-up or scale-out, and the overhead and opportunity-cost of tuning, monitoring, and upgrading your database. SkySQL also handles routine tasks such as nightly backups and infrastructure maintenance.

And if you need ultimate control, and have the necessary skills and resources to hand-pick instances and tune configurations, we offer SkySQL Power Tier to deliver all of the on-premises benefits without the capex (capital expense) and operational overhead.

This answer was last updated 2020-12-06.
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How long does it take to deploy on SkySQL?

When it comes time to deploy your SkySQL service, it can take up to 25 minutes for the initial deployment in a region to afford time for your Kubernetes cluster to be provisioned. Consecutive database deployments will use the same Kubernetes environment and take significantly less time.

The real time benefits come every day after, when you're operating at scale. A database node fault could take a short five minutes or less for Kubernetes self-healing, instead of an eight-hour bare metal rebuild as you might see on-premises or on other cloud platforms.

This answer was last updated 2020-07-13.
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What version of MariaDB does SkySQL support?

SkySQL provides services backed by MariaDB Enterprise Server 10.5 and 10.4, MariaDB Xpand 5.3, and MariaDB MaxScale 2.5. MariaDB Enterprise Server incorporates MariaDB Enterprise ColumnStore and MariaDB Enterprise Cluster (powered by Galera). Minor versions are detailed in the release notes.

This answer was last updated 2021-04-18.
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Are other databases supported?

No. SkySQL is the only DBaaS to deliver MariaDB Platform, including MariaDB Enterprise Server, on expert-maintained multi-cloud infrastructure. We're glad to help with your move to SkySQL, whether you're migrating from another database platform or looking to lift-and-shift a MariaDB implementation to SkySQL.

This answer was last updated 2020-07-10.
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What hardware does SkySQL run on?

MariaDB SkySQL is multi-cloud and as a full-featured DBaaS we handle all of the hardware and infrastructure needs.

Services are currently available with a range of instance sizes running on:

  • Amazon AWS (Amazon Web Services) and Amazon EKS (Elastic Kubernetes Service)

  • Google GCP (Google Cloud Platform) and Google GKE (Google Kubernetes Engine)

Transactional services (such as our HA (Primary/Replica) topology) operate on:

Analytical services (such as our ColumnStore topology) operate on scalable object storage.

This answer was last updated 2020-12-06.
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What software stack does SkySQL run on?

MariaDB SkySQL runs on Amazon Elastic Kubernetes Service (EKS), Google Kubernetes Engine (GKE), and MariaDB Platform. MariaDB Platform includes MariaDB Enterprise Server, MariaDB MaxScale, MariaDB ColumnStore, and MariaDB Xpand. MariaDB Enterprise Server enables a predictable development and operations experience through optimized builds, predictable release behavior, and vendor support.

This answer was last updated 2020-12-06.
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How long has SkySQL existed?

MariaDB SkySQL officially launched as a production-ready enterprise-grade DBaaS on 2020-03-31, after extensive pre-release testing.

This answer was last updated 2020-07-08.
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Is SkySQL ready for production use?

Yes. MariaDB SkySQL delivers enterprise-grade cloud database services for mission-critical applications. MariaDB SkySQL is built on MariaDB Enterprise Server, optimized for security, stability, and reliability in demanding production environments. Multi-node database deployments feature a rigorous SLA, High Availability (HA) features, operations features, and standard 24x5 support. Enterprise and Platinum support options extend support to 24x7, with the additional option of SkyDBA for reactive and proactive assistance from a team of expert DBAs. Security features are designed to meet the GRC and infosec challenges faced by modern applications, and DPA (GDPR) and BAA (HIPAA) are available.

This answer was last updated 2020-07-10.
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SkySQL Features

What services are available on SkySQL?

Purpose

Topologies

Transactional (OLTP)

Distributed Transactions, Galera, HA (Primary/Replica), Transactional Standalone

Cloud Data Warehousing, DSS, OLAP

ColumnStore

Hybrid Transactional/Analytical Processing

HTAP

This answer was last updated 2021-04-18.
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Which transactional service should I choose?

Based on scalability:

Scales

Benefit of More Nodes

Node Counts

Topology

Reads and Writes

Linear scaling of read/write performance

3, 6, 9, 12, 15, or 18

Distributed Transactions

Reads

Additional data copies for reads

3, 5, 7, or 9

Galera

Reads

Additional data copies for reads

1 Primary + 2-5 Replicas

HA (Primary/Replica)

N/A

N/A

1

Transactional Standalone

Based on high availability and data protection:

High Availability

Data Protection

Consistency

Topology

Automated Failover

Slices with self-healing, or full data copies

Synchronous

Distributed Transactions

Automated Failover

Full data copies

Virtually synchronous

Galera

Automated Failover

Full data copies

Async or semi-synchronous

HA (Primary/Replica)

N/A

N/A

N/A

Transactional Standalone

All SkySQL services feature Kubernetes self-healing.

This answer was last updated 2021-04-18.
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What options are available for scaling and right-sizing SkySQL?

You can choose topologies to match your workload requirements, cloud regions to match your latency and operating requirements, instance sizes, and support plan.

Our platform features:

This answer was last updated 2021-04-18.
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What reliability features are available on SkySQL?

  • MariaDB SkySQL is operated by a global team of Site Reliability Engineers (SRE), expert DBAs, and MariaDB software engineers. Platform problems are escalated to our team 24x7.

  • Support from MariaDB Corporation, including Enterprise and Platinum tiers optionally with SkyDBA for reactive and proactive assistance

  • Service Level Agreement, including an elevated SLA for Power Tier customers

  • Kubernetes self-healing

  • Load balancing for multi-node configurations using MariaDB MaxScale

  • High Availability (HA) for multi-node configurations (Distributed SQL, Galera, HA (Primary/Replica) Transactional, Analytics)

  • MaxScale Redundancy option (Distributed SQL, HA, Galera)

  • Inbound and outbound replication

  • Online schema changes with InnoDB's Instant ALTER

This answer was last updated 2021-04-18.
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What operations features are available on SkySQL?

  • Support from MariaDB Corporation, including Enterprise and Platinum tiers optionally with SkyDBA for reactive and proactive assistance

  • Vendor managed infrastructure and platform

  • SkySQL Portal for instance management

  • Compatibility with most programming languages and clients that work with MariaDB or MySQL, for off-the-shelf integration to your stack

  • Scheduled upgrades to database software

  • Automated nightly backups

  • Configuration management

  • Monitoring

  • Ability to deploy additional services to support application migrations and testing on the same configuration used in production

  • On-demand tear-down of unneeded services

This answer was last updated 2020-07-08.
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What governance, risk, compliance, and information security features are available on SkySQL?

  • Kubernetes isolation

  • Firewall protection, including dedicated IP whitelists to access databases and to access monitoring features

  • Data-at-rest encryption

  • Data-in-transit encryption

  • VPC peering and AWS PrivateLink

  • Standard or enterprise authentication for management portal

  • Standard, LDAP, or 2FA database authentication

  • Business Associate Addendum (BAA) for HIPAA

  • Data Processing Addendum (DPA) for GDPR

This answer was last updated 2021-04-18.
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Pricing

What does SkySQL cost? How is SkySQL priced?

Estimated SkySQL pricing is available from the SkySQL portal. Account registration is required, but pricing may be viewed without providing a credit card.

SkySQL pricing varies based on the parameters chosen when you launch a service. Examples of parameters include provider, topology, instance and storage size, and region.

The pricing shown is not a quote and does not guarantee the cost for your actual use of SkySQL services, as is shown on monthly invoices. The cost estimate can vary from your actual costs for several reasons.

This answer was last updated 2021-04-18
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Do I need to purchase a MariaDB Server license or subscription to use SkySQL?

No. Purchase of SkySQL service includes standard support and access to MariaDB Platform products on SkySQL.

This answer was last updated 2020-07-08.
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Does SkySQL have a free tier or free trial?

We provide $500 in free credits to get started. Please contact us for assistance if you need to execute a larger proof-of-concept (POC).

This answer was last updated 2020-10-15.
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I have an existing contract with Google. Can I leverage this for SkySQL?

Yes. SkySQL is listed in the Google Cloud Marketplace. Customers have the ability to retire their GCP commitment with a SkySQL subscription via the Marketplace.

Contact us if you have further questions.

This answer was last updated 2020-07-10.
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Do you have a pricing calculator?

Estimated SkySQL pricing information is shown when you create a service based on the parameters you choose, such as topology, region, and instance size. Please contact us for assistance in cost estimation, including support beyond the standard support included and Power Tier.

This answer was last updated 2020-07-10.
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What is included in SkySQL pricing?

SkySQL pricing includes instances for a specific service topology, monitoring, and standard support, and also includes management features, e.g., backups, upgrades, patch installs, etc. Some factors, such as object storage and network egress which are variable and usage-dependent, are not included in estimated pricing.

This answer was last updated 2020-07-10.
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What is optional in SkySQL pricing?

Add-ons are available to optimize your SkySQL experience:

  • SkySQL Power Tier is a premium service offering for MariaDB SkySQL customers who have the most critical requirements for uptime, availability, performance, and support.

  • While all SkySQL instances include Standard Support, enhanced support plans are available to meet the needs of mission-critical deployments requiring 24x7 support. Enterprise and Platinum support plans are optional.

  • An option available to customers with Enterprise or Platinum support plans, SkyDBA further extends the premium support experience and the capabilities of your in-house DBAs with the backing from a global team of expert MariaDB DBAs, available 24/7 for the most severe (S1) issues. MariaDB's SkyDBAs manage your MariaDB SkySQL databases both proactively and reactively so you can focus on your core business.

This answer was last updated 2020-07-08.
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Is discounted pricing available for a longer-term commitment?

Yes. Discounts are typically offered for one-year and three-year commitments. Please contact us for more information.

This answer was last updated 2020-07-10.
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Payment

What forms of payment does SkySQL accept?

SkySQL accepts payment by major credit card and through remittance accounts.

This answer was last updated 2020-07-08.
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Which credit cards does SkySQL accept?

SkySQL accepts all major credit cards. Specifically, we accept Visa, Mastercard, American Express, Discover, and Diners Club payments from customers worldwide.

This answer was last updated 2020-07-10.
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How do I set up my account to pay by wire transfer/ACH?

Contact us to have your account set up for payment by wire transfer or ACH.

This answer was last updated 2020-07-08.
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Can I pre-fund my account?

SkySQL contract customers can pre-fund their account. Contact us for more information.

This answer was last updated 2020-07-08.
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How do I pay my bill?

SkySQL charges are paid using the credit card on file, or via wire transfer/ACH upon invoice in the case of remittance accounts.

This answer was last updated 2020-07-08.
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How do I edit my customer account?

You can edit your customer information on the Account Information page.

Accounts which are part of a Team should contact their Team Owner if billing changes are needed.

This answer was last updated 2020-07-08.
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Can I buy SkySQL in the Google Marketplace?

Yes. We offer direct purchase through the Google Marketplace or we can craft a "private offer" to customize a subscription.

Contact us if you have further questions.

This answer was last updated 2020-07-10.
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I have an existing contract with Google. Can I leverage this for SkySQL?

Yes. SkySQL is listed in the Google Cloud Marketplace. Customers have the ability to retire their GCP commitment with a SkySQL subscription via the Marketplace.

Contact us if you have further questions.

This answer was last updated 2020-07-10.
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Billing and Invoices

Am I charged for deleted or stopped databases? What database states are billable?

Charges accrue for SkySQL services until they are deleted.

If you stop a SkySQL service, you will continue to be charged for storage, since your data is not deleted. Instance and egress charges will stop until the instance is started again.

This answer was last updated 2020-07-08.
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How can I see my current charges?

Current month's estimated charges can be viewed on the Account Information page which is updated six times per day. Variable charges such as object storage and network egress are updated the day prior to the last day of the month. Taxes are not included in estimated charges.

This answer was last updated 2020-07-10.
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How can I see detailed billing reports?

SkySQL invoices are sent monthly and include a detailed breakdown of usage, pricing, and taxes. For Team accounts, only the Team owner has access to Account Information.

Additionally, current month's estimated charges can be viewed on the Account Information page and are updated six times per day. Variable charges such as object storage and network egress are updated the day prior to the last day of the month. Taxes are not included in estimated charges.

This answer was last updated 2020-07-10.
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When will I be billed?

Invoices for MariaDB SkySQL are sent by email on subscription renewal. Subscription renewal occurs on the last day of the month. Accounts using a credit card are charged at this time.

This answer was last updated 2020-07-10.
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Will I be charged VAT or taxes?

MariaDB will bill for VAT and/or taxes in applicable jurisdictions. Customers are responsible for paying all applicable taxes and fees. See the SkySQL Terms of Use for additional information.

This answer was last updated 2020-10-15.
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How can I see discounts and service credits?

Current month's estimated charges, including coupons and service credits, can be viewed on the Account Information page and are updated six times per day.

In the event of service credits issued based on SLA, service credits will be included in coupons and service credits on the Account Information page.

This answer was last updated 2020-07-10.
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Can I stop or pause my instance to save money?

Instances can be stopped to save money. While stopped, additional instance and egress charges will not accrue, but you will continue to be charged for storage.

This answer was last updated 2020-07-08.
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Who do I contact with billing questions?

Contact billing@mariadb.com with billing questions.

This answer was last updated 2020-07-08.
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Backup and Restore

How do I backup my data on SkySQL?

SkySQL runs full backups automatically each night.

This answer was last updated 2021-04-18.
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Can I set the frequency or schedule of automated backups?

No. Backup frequency and schedule are not customer configurable. SkySQL Power Tier customers should contact us if alternate backup frequency or schedule is required.

This answer was last updated 2020-08-26.
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Are automated backups sent offsite? Will my data be sent to another country?

No. Data is not sent to another country.

This answer was last updated 2020-08-26.
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Does SkySQL guarantee an RTO and RPO?

No.

This answer was last updated 2020-08-26.
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Are backups performed using disk snapshots?

No. MariaDB Enterprise Backup (mariabackup) is used for MariaDB Platform for Transactions service backups. Xpand backups are used for MariaDB Platform for Distributed SQL service backups. MariaDB Platform for Analytics backups are file copies.

This answer was last updated 2021-04-18.
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Do backup operations impact application performance?

No. MariaDB Enterprise Backup (mariabackup) is used for MariaDB Platform for Transactions service backups. MariaDB Enterprise Backup breaks up backups into non-blocking stages so writes and schema changes can occur during backups.

This answer was last updated 2020-08-26.
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Are incremental backups available?

No. At this time only full backups are performed.

This answer was last updated 2020-08-26.
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How long are backups retained?

Backups for running and stopped services are retained for 30 days. If a service is deleted, no further backups for that service are produced and backups on hand are purged after 7 days.

This answer was last updated 2020-08-26.
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Can I set the retention window for automated backups?

No. Backup retention is not customer configurable. SkySQL Power Tier customers should contact us if an alternate retention schedule is required.

This answer was last updated 2020-08-26.
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How do I restore my data from a SkySQL backup?

Request data restore by creating a support case in the Customer Support Portal. Please state what you need restored, and the desired restore point.

This answer was last updated 2021-04-18.
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Can I request a partial restore of data from backup?

Yes, by support case.

This answer was last updated 2020-08-26.
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Can I request Point-in-Time Recovery (PITR)?

Yes, for MariaDB Platform for Transactions by support case. PITR is dependent on binary logs. PITR can be performed to a time frame within the 3 day window immediately preceding response to the support case.

This answer was last updated 2021-04-18.
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Can I request restore of my data to a different region?

Yes, by support case.

This answer was last updated 2020-08-26.
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Can I request restore of my data to a different topology?

Yes, by support case.

This answer was last updated 2020-08-26.
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Can I retrieve my database backup from SkySQL? Is there vendor lock?

Yes, you can retrieve your database. No, there is no vendor lock. Your data is your data. Create a support case for access to a backup.

This answer was last updated 2020-08-26.
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Encryption

Does SkySQL support data-at-rest encryption (on-disk encryption)?

Yes. All SkySQL data is encrypted on disk.

This answer was last updated 2020-12-06.
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Does SkySQL support data-in-transit encryption (over the network encryption)?

Yes. SkySQL requires client connections via TLS (TLS 1.2, TLS 1.3).

SkySQL on Google Cloud benefits from Google's network infrastructure.

This answer was last updated 2020-10-15.
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Does SkySQL support encrypted client connections?

Yes. SkySQL requires client connections via TLS (TLS 1.2, TLS 1.3).

This answer was last updated 2020-10-15.
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Does SkySQL support unencrypted client connections?

No. TLS is required for client connections.

This answer was last updated 2020-10-15.
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What encryption algorithms are used for on-disk encryption?

SkySQL on Amazon AWS benefits from Amazon EBS encryption, which is AES256.

SkySQL on Google GCP leverages Google's default encryption, which is AES256 or AES128.

This answer was last updated 2020-12-06.
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What versions of SSL or TLS are supported?

TLS 1.2, and TLS 1.3 are supported.

This answer was last updated 2020-08-27.
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When do TLS certificates expire?

TLS certificates expire every two years.

This answer was last updated 2020-08-27.
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How are TLS certificates and encryption keys managed?

MariaDB Corporation leverages HashiCorp Vault for certificate and key management. Certificates and keys are not customer-configurable.

This answer was last updated 2020-08-27.
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Are client certificates supported?

No. SkySQL supports server-side certificates. Database users are authenticated by standard password authentication, LDAP, and/or Two-Factor Authentication (2FA).

This answer was last updated 2020-08-27.
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Is ed25519 authentication supported?

No. While MariaDB Enterprise Server includes ed25519 support, SkySQL leverages MariaDB MaxScale 2.5 which is not ed25519-compatible.

This answer was last updated 2020-08-27.
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Why do I need to download a certificate authority chain?

A certificate authority chain is provided to allow your client to establish a secure and encrypted connection to a SkySQL database service, confirming the authenticity of the server certificate.

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How frequently are cryptography libraries (like OpenSSL) updated?

Cryptography libraries are included in our standard release process, and vulnerability scanning is conducted for each release.

This answer was last updated 2020-08-27.
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Data Deletion

Can I delete my running or stopped SkySQL service?

Yes. The decision to delete your running service rests with you and your business. Please consider production impacts before deleting a service. SkySQL permits the on-demand deletion of running and stopped services.

This answer was last updated 2020-09-03.
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Can I delete my pending SkySQL service?

No. The launch process must complete before deletion is permitted.

This answer was last updated 2020-09-03.
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How long do you keep my data when I delete a service?

All data residing on a service's storage is deleted at time of service deletion. Backups for deleted services are purged after 7 days.

This answer was last updated 2020-09-03.
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Can I get my data back if I delete a service by accident?

Maybe. If you contact us before the system completes data deletion, yes, we can recover. Backups for deleted services are purged after 7 days.

This answer was last updated 2021-04-18.
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Is it possible for SkySQL to retain my data when I delete a service?

No. You should download your data so you have a local copy before you delete the service.

This answer was last updated 2020-09-03.
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Will my data be retained if a hard drive gets swapped-out?

No. SkySQL is hosted on public cloud provider systems.

This answer was last updated 2020-12-06.
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Can data be purged from backups?

Yes. If you would like backups purged, please create a support case.

This answer was last updated 2020-09-03.
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Monitoring

How do I access monitoring?

You can SkySQL Monitoring after launching a service, then clicking the "Monitoring" link in the SkySQL main menu (left navigation).

This answer was last updated 2021-04-18.
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What is monitored?

SkySQL Monitoring covers status and metrics specific to a service and its servers. A complete list of charts is provided. Based on service type, monitoring charts can include status and metrics from server-focused, service-focused, MaxScale-focused, and Xpand-specific checks.

This answer was last updated 2020-09-03.
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Who is alerted if a service goes down?

MariaDB Corporation's Support and SRE teams are alerted if a SkySQL service becomes unavailable. Data from many systems is integrated for observability and alerting, converged to the ServiceNow platform to enable IT Service Management (ITSM).

Additionally, SkySQL Monitoring incorporates customer alerting features, currently in Technical Preview.

This answer was last updated 2020-12-06.
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How do I configure monitoring?

SkySQL Monitoring observes a standardized set of details and is not customer configurable. SkySQL Monitoring dashboards are configurable within the interface.

SkySQL Monitoring includes alerting features (currently in Technical Preview), which allow configurable alerting rules, notification channels, and notification criteria. These settings are managed from the SkySQL Monitoring interface. You can SkySQL Monitoring after launching a service by clicking the "Monitoring" link in the SkySQL main menu (left navigation).

This answer was last updated 2021-04-18.
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Can SkySQL Monitoring also monitor my application?

No.

This answer was last updated 2020-09-03.
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Support

How do I contact support?

SkySQL customers can contact us via the Customer Support Portal.

If you are not yet a SkySQL customer, please contact us with questions.

This answer was last updated 2020-07-08.
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What support options are available for SkySQL?

  • Standard Support, 24x5, included with all SkySQL instances

  • Enterprise Support, 24x7

  • Platinum Support, 24x7 with S1 callbacks and a customer success manager

See full details of our support options.

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Is 24x7x365 support available for mission-critical applications?

Yes. Enterprise and Platinum support levels are available for customers requiring 24x7x365 support (24 hours per day, 7 days per week, 365 (or 366) days per year).

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Is SkySQL fully managed?

Yes. SkySQL infrastructure is fully managed, including many typical operations features such as automated nightly backups and monitoring.

Standard support is included with all instances. Activities like performance tuning and assistance with schema change is not included in standard support. Enterprise and Platinum support options includes consultative support.

Our optional SkyDBA service is available for Enterprise and Platinum support customers, and SkyDBA customers receive both reactive (break/fix) and proactive (analyze/enhance) assistance.

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What professional services are available for SkySQL?

MariaDB offers a full range of professional services, including:

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Inquiries

Who do I contact if I have questions about SkySQL?

Contact MariaDB Corporation at https://mariadb.com/contact/

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How can I keep up-to-date on changes to SkySQL?

Release notes are provided to show changes to SkySQL services, features, interfaces, and documentation.

This answer was last updated 2020-07-08.
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How do I contact sales to buy services on SkySQL?

MariaDB SkySQL is available for immediate use. Sign up today and get started. If you would like assistance from sales, contact us.

This answer was last updated 2020-07-08.
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Who do I contact with billing questions?

Billing questions can be directed to accounts receivable at billing@mariadb.com

This answer was last updated 2020-07-08.
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How do I provide feedback about SkySQL Documentation?

  • Email docfeedback@mariadb.com

  • Use the "Send Feedback" link in documentation menu or under Reader Tools in right navigation. The "Send Feedback" link allows you to access BugHerd without leaving the documentation. Users of ad blocker software may need to permit BugHerd to load.

This answer was last updated 2021-04-18.
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Who do I contact to report a security concern?

Contact us via https://mariadb.com/contact/

This answer was last updated 2020-07-08.
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I am a SkySQL customer. How do I get support?

SkySQL customers can contact us via the Customer Support Portal.

This answer was last updated 2020-07-08.
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