KVDataBase

M111 Big Data Management Course

Instructions & Details

Programming Language: Python (v3.8.5)

STEP 1: Create the Data File ("data/dataToIndex.txt")

usage: createData.py [-h] [-k K] [-n N] [-d D] [-m M] [-l L]

optional arguments: -h, --help show this help message and exit -k K Key list textfile (default: "data/keyFile.txt") -n N Number of lines (default: 10) -d D Maximum level of nesting (default: 3) -m M Maximum number of keys / each value (default: 4) -l L Maximum length of string value (default: 9)

STEP 2: Start the servers - Store Data - Run Queries

usage: kvBroker.py [-h] [-s S] [-i I] [-k K]

optional arguments: -h, --help show this help message and exit -s S Server ip-port list (default: "data/serverFile.txt") -i I Data to store (default: "data/dataToIndex.txt") -k K Pick random k servers (default: 2)

STEP 3: Run Queries

Options:

1. DELETE <top_level_key>
2. GET <top_level_key>
3. QUERY <top_level_key(.nested_key...nested_key)>
4. exit

e.g. GET tlkey1 DELETE tlkey2 QUERY tlkey1.name.GPA GET "tlkey3" DELETE 'tlkey2'

Note: The keys can be either in quotes(double/single) or not and the separators between the command and the key/keypath can be either a single or multiple spaces/tabs