mongodbHow to use watch in MongoDB?
MongoDB's watch
command is used to monitor the performance of a MongoDB instance. It provides real-time statistics on the server's operations, such as the number of operations, the amount of data read and written, and the number of connections.
Example
> db.runCommand({ watch: 1 })
{
"ok" : 1
}
The output of the command will be { "ok" : 1 }
which indicates that the command was successful.
The watch
command has several options that can be used to customize the output. These include:
start
: Start the watch command.stop
: Stop the watch command.reset
: Reset the watch command.verbosity
: Set the verbosity level of the output.filter
: Filter the output to only show certain operations.
Detailed explanation of each option can be found in the MongoDB documentation.
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