We ran into this around the admin dashboard during a traffic spike. We did not rewrite the service. We moved one endpoint at a time. Dual writes ran until nightly totals matched for several days. A flag sent a small percentage of reads to the new path. The hard part was matching rounding the old code had hidden. Cutover finished with a small blast radius and an easy rollback.
We ran into this around the admin dashboard after we split the monolith. The work was mostly unblocking other people, not closing my own tickets. Clear noes protected the roadmap more than extra hours. Writing the doc nobody wanted still changed how fast the team moved. Impact was hard to see until a project stalled without that context. I am still learning to describe that work without vanity metrics.
We ran into this around the admin dashboard while rolling back payments. We did not rewrite the service. We moved one endpoint at a time. Dual writes ran until nightly totals matched for several days. A flag sent a small percentage of reads to the new path. The hard part was matching rounding the old code had hidden. Cutover finished with a small blast radius and an easy rollback.
We ran into this around the admin dashboard on a quiet Sunday incident. The work was mostly unblocking other people, not closing my own tickets. Clear noes protected the roadmap more than extra hours. Writing the doc nobody wanted still changed how fast the team moved. Impact was hard to see until a project stalled without that context. I am still learning to describe that work without vanity metrics.
We ran into this around the admin dashboard after the replica failover. We did not rewrite the service. We moved one endpoint at a time. Dual writes ran until nightly totals matched for several days. A flag sent a small percentage of reads to the new path. The hard part was matching rounding the old code had hidden. Cutover finished with a small blast radius and an easy rollback.
We ran into this around the admin dashboard during a Friday deploy. The work was mostly unblocking other people, not closing my own tickets. Clear noes protected the roadmap more than extra hours. Writing the doc nobody wanted still changed how fast the team moved. Impact was hard to see until a project stalled without that context. I am still learning to describe that work without vanity metrics.