I am new to MongoDB. I am trying to create a Replica Set for testing and development. It shows me the message in the picture!
I followed the steps shown in the official documentation:
What is the problem please ?
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You are using 32-bit OS and 32-bit builds do not support the WiredTiger storage engine.
You need to use either 64-bit or change your storage engine to mmapv1 as suggested in screenshot by passing parameter explicitly. --storageEngine=mmapv1
It looks like you installed the 32-bit version of MongoDB, and are attempting to use the WiredTiger storage engine. They are not compatible. See here. You'll need to reconfigure your install to use mmapv1 instead.