The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2017
Filed:
Nov. 26, 2014
Tencent Technology (Shenzhen) Company Limited, Shenzhen, Guangdong, CN;
Qianyu Zhuang, Shenzhen, CN;
Chunjian Bao, Shenzhen, CN;
Yihua Mai, Shenzhen, CN;
Yantang Zhai, Shenzhen, CN;
Tencent Technology (Shenzhen) Company Limited, Shenzhen, Guangdong, CN;
Abstract
A method, a device, a node and a system for managing file in distributed data warehouse are provided. The method includes: acquiring, by a data node, a deleting instruction carrying a data block identifier, wherein the deleting instruction is sent by a management node; suspending, by the data node, the deleting instruction; and deleting, by the data node, a data block corresponding to the data block identifier after a condition is met, thereby resolving the technical issue that an accidentally deleted file can not be recovered by setting a trash in the management node in some cases and ensuring the data security of the Hadoop system.