Title:
PROXY SERVER CRASH RECOVERY IN OBJECT STORAGE SYSTEM USING ENHANCED META STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/189315
Kind Code:
A1
Abstract:
Embodiments of the disclosure provide systems and methods for recovering a data server crash. The exemplary method includes detecting a crash of a proxy server. The method further includes looking up a request log in a meta server, the request log associated with a write request from the proxy server and looking up object meta-data associated with the write request in the meta server. The object meta-data includes allocation data. The method also includes obtaining object data from a data server according to the allocation data and validating the object data against the object meta-data. The method additionally includes deleting the request log associated with the write request from the meta server.
Inventors:
WANG LI (CN)
ZHANG YIMING (CN)
SHI MINGYA (CN)
HUANG CHUNHUA (CN)
ZHANG YIMING (CN)
SHI MINGYA (CN)
HUANG CHUNHUA (CN)
Application Number:
PCT/CN2020/081178
Publication Date:
September 30, 2021
Filing Date:
March 25, 2020
Export Citation:
Assignee:
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD (CN)
International Classes:
G06F11/34
Foreign References:
| CN110515820A | 2019-11-29 | |||
| US7631009B1 | 2009-12-08 | |||
| CN110609778A | 2019-12-24 | |||
| US20170097771A1 | 2017-04-06 |
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
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