PaxosStore: High-availability Storage Made Practical in WeChat Jianjun Zheng† Qian Lin§† ∗ Jiatao Xu† Cheng Wei† Chuwei Zeng† Pingan Yang† Yunfan Zhang† † Tencent Inc. § National University of Singapore † {rockzheng, sunnyxu, dengoswei, eddyzeng, ypaapyyang, ifanzhang}@tencent.com § linqian@comp.nus.edu.sg ABSTRACT In this paper, we present PaxosStore, a high-availability stor- age system develope