Archive: ClickHouse Support Services Policy

Latest policy available here

Effective Date: May 24, 2022

This ClickHouse Support Services Policy sets forth ClickHouse’s policy for the provision of Support Services to its Subscription customers (each a “Customer”). Capitalized terms used but not defined herein, have the definition set forth in the applicable Subscription Agreement between ClickHouse and Customer (the “Agreement”).

1. Defined Terms

  1. Business Day” means Monday through Friday other than a day designated from time to time as a national holiday in the place from which Support Services may be provided.
  2. Long-Term Supported Release” means the official release for the Software which has been designated as a release for long term support. ClickHouse designates its as Long-Term Supported Releases by including the letters“lts” in the release number, which are typically March and August releases.
  3. Regular Stable Sequential Release” means the official software release for the Software which has not been designated as a Long Term Supported Release.
  4. Support” means technical support by telephone, chat, or email provided by ClickHouse to a Support Contact concerning a Support Incident.
  5. Support Contact” means a single named individual who is authorized to contact ClickHouse to use the Support Services.
  6. Support Incident” means a single issue or error with the Software that is raised with ClickHouse by a Support Contact. Each Support Incident will be assigned a unique ID by ClickHouse. In the situation where multiple similar or equivalent cases are opened for a single Support Incident, ClickHouse may choose to consolidate these into a single support case, in which case it shall promptly notify Customer.

2. Scope and Performance of Support Services.

The scope of the Support Services provided to Customer includes general assistance and support regarding the installation of the Software and basic technical configuration of the Software, as well as operational or development assistance on how to use the Software. ClickHouse shall use commercially reasonable efforts to meet the applicable target response times set forth in Section 3 below. Customer acknowledges that the time required for resolution of issues may vary depending on the specific circumstances of each problem, including, without limitation, the nature of the incident/problem, the extent and accuracy of information available about the incident/problem, and the level of Customer’s cooperation and responsiveness in providing materials, information, access and support reasonably required by ClickHouse to achieve problem resolution.

  • Normal Business Hours:
    • 24x7x365 for Severity 1 Issues
    • Monday 08:00 CEST through Friday 17:00 US Pacific time for Severity 2 and Severity 3 issues
  • Number of Support Contacts: unlimited
  • Emergency Patches: yes
  • Annual Support Incidents: unlimited

3. Severity Levels, Response Times and ClickHouse Efforts.

Severity Level 1 (Critical Business Impact)

A Severity Level 1 issue is a critical production error within the software that severely impacts the Customer’s use of the software for production purposes, such as the loss of production data or where production systems are not functioning and no work-around exists. ClickHouse will respond to Severity Level 1 issues within one hour during Normal Business Hours, and use continuous efforts during applicable Normal Business Hours to provide a resolution for any Level 1 issues as soon as is commercially reasonable.

Severity Level 2 (Major Business Impact)

A Severity Level 2 issue is an error within the software where the customer’s system is functioning for production purposes but in a reduced capacity, such as a problem that is causing significant impact to portions of the customer’s business operations and productivity, or where the software is exposed to potential loss or interruption of service. ClickHouse will respond to Severity Level 2 issues within four hours during Normal Business Hours, and use continuous efforts during the Normal Business Hours to provide a resolution for any Severity Level 2 issues.

Severity Level 3 (Minor Business Impact or General Questions)

A Severity Level 3 issue is a medium-to-low impact error that involves partial and/or non-critical loss of functionality for production purposes or development purposes, such as a problem that impairs some operations but allows the customer’s operations to continue to function. Errors for which there is limited or no loss or functionality or impact to the customer’s operation and for which there is an easy work-around qualify as Severity Level 3. General questions are also Severity Level 3 issues. ClickHouse will respond to Severity Level 3 issues within one Business Day during Normal Business Hours, and use reasonable efforts to provide a resolution for any Severity Level 3 issues in time for an upcoming release of the software. All inbound production email cases shall have an initial status of Severity Level 3.

4. Customer Obligations.

Customer agrees to provide ClickHouse with reasonable: (i) detail of the nature of and circumstances surrounding the issue, (ii) access to Customer’s environment as necessary to enable ClickHouse to provide Support Services; and (iii) cooperation in the diagnosis and resolution of any issues. Customer understands that ClickHouse Support Services are provided in the English language and Customer is therefore obligated to provide Support Contacts who are reasonably proficient in reading, writing, speaking and understanding the English language. 

5. Supported Versions; Experimental Features.

Notwithstanding anything else, ClickHouse will support the current Regular Stable Release in conjunction with the two (2) prior Regular Stable Releases of the Software or a minimum period of three (3) months from the date of the current Regular Stable Release. ClickHouse will support the current Long-Term Supported Release in conjunction with the one (1) prior Long-Term Supported Release of the Software or a minimum period of one (1) year from the date of the current Long-Term Supported Release. ClickHouse will support non-production ready features, which includes features designated by ClickHouse as “Experimental Features” or “Beta Features”, on a reasonable efforts basis, provided that any issues with such non-production ready features may only be filed as a Severity Level 3 issue.

6. Support Service Exclusions.

ClickHouse will have no obligation to provide Support Services to Customer in the event that (i) the Software has been changed, modified or damaged by Customer or anyone other than ClickHouse, (ii) the problem is caused by Customer’s negligence, misconduct, or misuse of the Software, a hardware malfunction, or other causes beyond the reasonable control of ClickHouse, (iii) the problem is due to third party software, (iv) the Software is being hosted by a third party that is offering the Software as a service (v) Customer has not installed or implemented any Software releases made generally available or is not running a then supported version of the Software as provided by ClickHouse or (vi) information requested by Customer could reasonably be expected to assist in the development, deployment, enablement and/or maintenance of any non-ClickHouse software that competes with ClickHouse’s commercial software products. The Support Services do not cover the support of any third party software which integrates with the Software or the investigation into a potential or actual security incident in a Customer environment, including but not limited to the analysis and response to security events and signals. In addition, the Support Services do not include the following: (a) use of any version of a Software that is not designated as a production release (such as a milestone or release candidate or code contained in the sandbox or any other repository that is not packaged into a production release distribution); (b) Customer’s failure to comply with operating instructions contained in the documentation for the Software; (c) installation, configuration, management and operation of Customer’s applications; (d) APIs, interfaces or data formats other than those included with the Software; or (e) any training. 

7. Supported Platforms

A list of supported platforms are set forth here.

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