JustCall incident
Subset of Customers Unable to Access Sales Dialer
JustCall experienced a minor incident on September 12, 2025 affecting Sales Dialer, lasting 7m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 12, 2025, 12:30 PM UTC
We are currently investigating this issue.
- identified Sep 12, 2025, 12:31 PM UTC
The issue has been identified and a fix is being implemented.
- resolved Sep 12, 2025, 12:31 PM UTC
This incident has been resolved.
- postmortem Sep 12, 2025, 12:36 PM UTC
**Date:** 12th September 2025 **Duration:** 02:45 UTC - 02:53 UTC **Affected Services** * Sales Dialer **Impact** A subset of customers experienced degraded performance or complete unavailability of the Sales Dialer app. Some operations might also be delayed. **Root Cause** * Outdated cached offset limits caused inefficient query execution * High memory and CPU consumption on the database cluster * Resource exhaustion leading to temporary unavailability * Overall reduction in system responsiveness until intervention **Resolution** * Engineers identified and corrected the outdated caching behavior in query handling * Optimized query execution to prevent excessive resource usage * Applied additional safeguards and monitoring to mitigate similar issues in the future