Shulou(Shulou.com)05/31 Report--

Editor to share with you how mongodb cleans up a large amount of data in collection, I believe most people don't know much about it, so share this article for your reference. I hope you can learn a lot after reading this article. Let's learn about it together.

1 for Loop cleanup in shell

Connect to mongo every time to perform remove operation of data

Echo "Begin..." > > / root/time.log;echo $(date +% Y-%m-%d-%H:%M:%S) > > / root/time.log;for ((item1witi > / root/tickets.logdoneecho $(date +% Y-%m-%d-%H:%M:%S) > > / root/time.log;echo "End." > > / root/time.log;echo "> > / root/time.log

2 for cycle cleaning in mongo shell

Connect mongo only once, and for loop cleaning in mongo shell

[root@mongo ~] # more t.shecho "Begin..." > > / root/t.log;echo $(date +% Y-%m-%d-%H:%M:%S) > > / root/t.log;/usr/local/mongodb/bin/mongo 127.0.0.1:37017/test-uadmin-padmin t.jsX echo $(date +% Y-%m-%d-%H:%M:%S) > > / root/t.log;echo "End." > > / root/t.log Echo "" > > / root/t.log [root@mongo ~] # [root@mongo ~] # [root@mongo ~] # more t.jsfor (var iTunes 1; I

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