mongosync

mongosync

mongosync is a lightweight and extremely fast utility that copies differential data between two mongodb instance.

It does not delete any data if it is deleted in the source database.

Feature Matrix

Installation

mongosync requires go 1.19, you can download go here: Downloads - The Go Programming Language

Then, do this:

#> go install github.com/sherweb/mongosync@v1.10.0

Test with this:

#> mongosync
mongosync is an utility to sync two different mongodb instances

Usage:
  mongosync [flags]
  mongosync [command]

Available Commands:
  completion        Generate the autocompletion script for the specified shell
  copy              copy data from one mongodb instance to another
  generate-config   Generates a config with a given source and destination
  help              Help about any command

Flags:
  -h, --help   help for mongosync

Usage

First, you must run the following

$> mongosync generate-config --source mongodb://user:pass@url:port --destination mongodb://user:pass@url:port

This will output a config.yml, you can see a detailed sample with explanations on what all switches do here: sample-config.yml

YOU MUST EDIT THE CONFIG FILE !

To copy the configuration you just modified, run this:

$> mongosync copy --config config.yml

Caveats

• Does not support index copy
• Does not support any kind of views! Remove them from the config!!
• Error handling isn't amazing. Yet !

Contributing

To contribute, feel free to open PRs and/or issues