AI BriefingOracle Cloud Migration - Pre-Migration Check of Olive Young's Order Service
Key point
Olive Young shares the pre-migration check and performance measurement process for its order service while transitioning from a physical DB environment to Oracle Cloud (OCI).
Details
Olive Young decided to migrate to OCI (Oracle Cloud Infrastructure) to overcome the resource limitations of its existing physical DB (IDC) environment and secure flexible scaling. The Order Squad selected DB link checks, full-feature QA, and performance measurement as key tasks for a stable migration.
Performance measurement was conducted using Jmeter and nGrinder across 4 cases, ranging from single products to composite products. The results revealed that OCI DB performance was lower than expected compared to 1 core of the physical DB, and that some Heavy Queries experienced degraded response times due to changes in their Execution Plan.
To resolve this, OCI Core expansion and query tuning were performed repeatedly. In the end, after the migration, the execution time of heavy queries that had previously been in the 50~200ms range was dramatically reduced to 3~4ms, completing a successful transition.
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