## Incident: Slack Search Feature Disruption - Japan region

- 種別: status
- 関連技術: slack
- 公開日時: 2026-05-01T01:50:42.000Z
- 情報源: Slack Status (https://slack-status.com/2026-04/4bd5196b0c972734)
- パーマリンク: https://vulnpulse.app/items/slack-status-1b86a4b3bfb2

At 23:20 UTC, April 30, 2026, a feature disruption began affecting the Slack Search feature for a subset of customers in Japan region. As a result, users were unable to use Search functionality within Slack.We identified that infrastructure changes to our Search cluster caused a number of internal search nodes to become unavailable, which prevented Search queries from routing correctly. We implemented a series of remediation steps, including increasing cluster capacity and restoring affected search shards. We also blocked certain Search traffic to contain secondary impact while the cluster wa…