On Sep 3 (Wed.), browsing for Mackerel documents will be unavailable for a short period of time between 1:00-2:00 a.m.

Thank you for choosing Mackerel.

Maintenance for Hatena Blog is scheduled to be carried out on September 3 (Wednesday).

2025年9月3日（水）午前1:00〜午前2:00ごろまでメンテナンスにより、はてなブログのご利用ができなくなります - はてなブログ開発ブログ (in Japanese)

And because Mackerel documents are provided using the Hatena Blog feature, document browsing will be temporarily unavailable during the following time period.

• Time period: September 3 (Thursday) 1:00 a.m. - 2:00 a.m. (JST)
• Extent of impact: Mackerel Announcements(Some news, Release, Maintenance), Help
  • https://mackerel.io/ja/blog/
  • https://mackerel.io/ja/docs/
  • https://mackerel.io/ja/api-docs/
  • https://mackerel.io/blog/
  • https://mackerel.io/docs/
  • https://mackerel.io/api-docs/

Please note that this maintenance will not affect Mackerel's main service. We apologize for the inconvenience and thank you for your understanding in our efforts to provide a more stable.