Ethereum – Fix Slow Sync

To fix the slow sync problem in the ethereum miner, you need to:

  1. backup your account(s) and application data (from the eth wallet if you’re using it)
  2. remove the chaindata content via

    a. delete the directory (easiest/quickest way)
    a. use the geth removedb command to do it properly

  3. reload the database via:

Now, if your database is not in the default path, (e.g. not in %APPDATA%\Ethereum on Windows), you’ll need to tell geth where it is. You do this with the --datadir path/to/data/directory. So, my command looks like:


To monitor the current state of affairs, you can use:


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