Hadoop 08: introduction to HDFS recycle bin and security mode
1, Recycle bin for HDFS
There is a recycle bin in our windows system. If you want to restore deleted files, you can restore them here. HDFS also has a recycle bin.
HDFS will create a recycle bin directory for each user: / user / user name / Trash /, every file / directory deleted by the user on the Shell command line will enter the correspond ...
Added by phillips321 on Wed, 02 Mar 2022 02:13:11 +0200
Mr.RainsdRop's Django notes: linkage between Django and checkbox
preface
Minasan, long time no see! Recently, the final exam and the epidemic situation have made bloggers feel numb. But fortunately, I got home safely. I need to be isolated at home for a few days at most. Friends who see this blog should pay attention to safety, travel as little as possible, and wear masks when going out. No more nonsense, ...
Added by alireza on Fri, 24 Dec 2021 08:01:23 +0200
Analysis of the open source library of Miracle cryptographic algorithm: mrarth2.c
2021SC@SDUSC Application and practice of software engineering in school of software, Shandong University
1. mrarth2.c structure
The overall structure of mrath2.c is as follows. It mainly implements divide(), divisible(), mad(), multoply(), normalize (), and several important functions in the miracl open source library. This blog is to read ...
Added by pkellum on Wed, 27 Oct 2021 20:00:44 +0300