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Soft limits for cloud-to-cloud migration for Jira

Soft limits are data size recommendations to help you assess the impact of your migration and make decisions about your cloud-to-cloud data movement. We base the soft limits on first-hand experiences dealing with some of our largest customers, but they might not represent every organization’s experience.

Some things to know before you plan a migration

  • We have observed a higher success rate with migrating cloud-native projects within these soft limits. We recommend migrating all projects with cloud-native data and then moving the other projects.

  • Cloud-to-cloud migration is currently in beta. This feature may function differently than a generally available feature and may have less scope of functionality. Some issue fields, configurations, and other project types are not yet supported.

In the table below, we’ve described the performance and stability impacts we’ve observed in a single migration and recommended actions you can take if you suspect you fall outside the soft limits.

Projects

Content type

Number of projects per migration plan

Soft limit

200 projects

How to find this number

Use this link to find all the projects in your migration - https://<sitename>.atlassian.net/jira/projects

Impact

We've observed these problems when above the soft limit:

  • Some project data can fail to migrate successfully.

Recommendations

If you have more than 200 projects per migration plan, we recommend migrating in batches of 200 projects each.

Comments

Content type

Amount of text in the comments field

Soft limit

32K (32767) characters in the comment field

Impact

We've observed these problems when above the soft limit:

  • This error occurs if you move data migrated from the Data Center or Jira server into the cloud.

  • Comments fail to migrate to the destination site.

  • Comments migrate but with missing data as the system trims the characters to migrate the comment.

Recommendations

If you suspect your projects exceed this limit, contact support

Attachments

Content type

Number of attachments

Soft limit

  • 100GB per project

  • 50GB if you are copying from a source site within Europe to a destination site in Europe.

Impact

We've observed these problems when above the soft limit:

  • Migration takes longer as the number and size of attachments increase

Recommendations

If you suspect your projects exceed this limit, contact support

 

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