Sharding refers to the process of distributing data across multiple servers which helps in retrieving it easily. When the data set is huge, it is said that sharding significantly improves the query response time.

Let us see how we can implement sharding. Sharding requires a  minimum of three servers for test purpose. In production scenario, sharding may require more servers.

Sharding is implemented through the following :-

1) Config Servers – These servers contain the metadata as to where the data belongs to. Means, it holds data as to which shard each data goes. A minimum of 2 config servers in a huge databases system is recommended.

2) Query Router Servers – These servers are the ones that communicate with the application directly...

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I was trying to insert a 7 lakh data into a collection and I got the following error.

To fix this, add the following to the top of your PHP page.

 

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You can use the following t o find which all IP Addresses are connected to server via FTP as well as the number of connections.

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I was trying to restore a database onto a new server, when I got the following error.

In order to correct this, you need to enabled text search. Simply stop the mongo process and start it with text search enabled.

Now try restoring again and it works.

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