Outage report · Partial outage

Harness outage on Aug 20, 2026

All modules are running slow in Prod1/2/3/4 due to cloud provider incident

SeverityPartial outage

StartedAug 20, 2026, 17:17UTC

ResolvedAug 20, 2026, 19:23UTC

Duration2h 7m

What happened

Harness reported a partial outage starting Aug 20, 2026, 17:17 UTC, affecting Platform, Platform, Platform, Platform. It was marked resolved at Aug 20, 2026, 19:23 UTC.

The incident lasted 2h 7m from first report to resolution.
It was the 3rd longest of 3 significant outages Harness reported in the 12 months up to it.
Harness had reported 1 other partial or major outage in the 90 days before it.
10 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Harness

# Summary On 20 August 2026, beginning at approximately 15:00 UTC, the Harness platform experienced widespread performance degradation across all production environments. Pipeline executions that normally complete in around two minutes took seven to ten minutes. Continuous Delivery, Continuous Integration, pipeline orchestration, and Feature Management & Experimentation were all affected. Google Cloud Platform experienced a multi-product incident in the us-west1 region affecting Bigtable, Compute Engine, Google Kubernetes Engine, and persistent-disk I/O. Harness production infrastructure runs on persistent disks in that region. The degradation raised database operation latency from approximately 2 ms to over 10 ms at the 95th percentile, which in turn caused message-queue processing lag and propagated to every service that depends on timely database access. ‌ # Impact This was a degradation, not an outage. Pipelines continued to execute and complete successfully throughout; they w

Read Harness's official incident report ↗