LevelDB is a high-performance NoSQL key/value database developed by Google Corporation.
Requirements
Installation
Install the archiving utility:
sudo apt-get install libsnappy-dev libleveldb-dev
With this command, we installed LevelDB, now we need to test the performance. For this we need Python-pip.
Install Python-pip:
sudo apt-get install python-pip
Install the interface for interacting with LevelDB:
pip install leveldb-cli
Now let’s check. Let’s create a new database:
leveldb create -d newdb.db
Insert the hello key into it with the world value:
leveldb put hello world -d newdb.db
Next, we turn to the hello key, which will result in a world result:
leveldb get hello -d newdb.db
Remove the hello key:
leveldb delete hello -d newdb.db
Let’s try to get the hello key:
leveldb get hello -d newdb.db
Error: key hello does not exist
In general, it looks like this:
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