1.19. Memcached flush_all command

发布时间 ： 2025-10-25 13:33:44 UTC      

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Memcached flush_all command is used to clean up all in the cache key=>value (key = > value) right.

This command provides an optional parameter time used to perform a cache cleanup operation after the specified time

1.19.1. Syntax:

The flush_all basic syntax format of the command is as follows:

flush_all [time] [noreply]

1.19.2. Example

Clean up the cache:

set runoob 0 900 9
memcached
STORED
get runoob
VALUE runoob 0 9
memcached
END
flush_all
OK
get runoob
END
文章链接 ： 1.19. Memcached flush_all command

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In recent years, Geographic Information Systems (GIS) have undergone rapid development in both theoretical and practical dimensions. GIS has been widely applied for modeling and decision-making support across various fields such as urban management, regional planning, and environmental remediation, establishing geographic information as a vital component of the information era. The introduction of the “Digital Earth” concept has further accelerated the advancement of GIS, which serves as its technical foundation. Concurrently, scholars have been dedicated to theoretical research in areas like spatial cognition, spatial data uncertainty, and the formalization of spatial relationships. This reflects the dual nature of GIS as both an applied technology and an academic discipline, with the two aspects forming a mutually reinforcing cycle of progress.