Database Administrator

Essential Responsibilities

• Responsible for daily business support and 4x capacity guarantee for global and local financial-level storage components (SLA <=99.99%, RTO <= 5mins, RPO = 0, Delay <= 100ms), and propose improvement suggestions for high-risk changes and repetitive inefficiencies, and promote implementation
• Responsible for global and local station financial-level storage components and overall architecture risk identification and hidden danger governance (including but not limited to: effectively blocking big key/showSQL hidden dangers generated by function iteration; identifying and governing scenarios with strong data dependence on Redis, discovering and governing unreasonable architecture design behind abnormal alarms)
• Responsible for storing component (MySQL/Redis) size version, security patch upgrade (RTO <= 2mins, RPO = 0, efficiency = 3.5person-days/cluster), ensuring smooth business upgrade, and effective emergency rollback in...