公开(公告)号：US20240086362A1

公开(公告)日：2024-03-14

申请号：US18475725

申请日：2023-09-27

Applicant: Lemon Inc. ,  Beijing Volcano Engine Technology Co., Ltd.

Inventor： Hao Wang ,  Jiaxin Ou ,  Sheng Qiu ,  Yi Wang ,  Zhengyu Yang ,  Yizheng Jiao ,  Jingwei Zhang ,  Jianyang Hu ,  Yang Liu ,  Ming Zhao ,  Hui Zhang ,  Kuankuan Guo ,  Huan Sun ,  Yinlin Zhang

IPC: G06F16/13

CPC classification number: G06F16/134

Abstract: A key-value store and a file system are integrated together to provide improved operations. The key-value store can include a log engine, a hash engine, a sorting engine, and a garbage collection manager. The features of the key-value store can be configured to reduce the number of I/O operations involving the file system, thereby improving read efficiency, reducing write latency, and reducing write amplification issues inherent in the combined key-value store and file system.

公开(公告)号：US20240028566A1

公开(公告)日：2024-01-25

申请号：US18475746

申请日：2023-09-27

Applicant: Lemon Inc. ,  Beijing Volcano Engine Technology Co., Ltd.

Inventor： Sheng Qiu ,  Hao Wang ,  Zhengyu Yang ,  Yizheng Jiao ,  Jianyang Hu ,  Yang Liu ,  Jiaxin Ou ,  Huan Sun ,  Yinlin Zhang

IPC: G06F16/18 ,  G06F16/178 ,  G06F11/14

CPC classification number: G06F16/1815 ,  G06F16/178 ,  G06F16/1847 ,  G06F11/1407

Abstract: A file system particular for use with key-value stores is provided. The file system can operate in a user space instead of a kernel space. The file system can be an append-only file system. The file system can support use of solid state drives (SSDs) for storage, including zoned SSDs. The file system can include a file manager, a metadata manager, a task scheduler, a space allocator, and a collaborator for collaborating with a key-value store.