This python script aims to be useful in Graphite clusters to find and deal with corrupt Whisper DB files.

It can be difficult to fix Whisper files and in many cases the corruption is just a zero byte file. This tool doesn't attempt to fix the Whisper DB files, but it does move them out of the way of carbon-cache by appending a string similar to the following to the file name:

.corrupt.<YEAR><MONTH><DAY>-<HOUR><MINUTE><SECOND>

This script will need to import your Whisper python library. So make sure its installed somewhere in Python's path or in /opt/graphite/lib.

If your Graphite storage directory can be found in the default location then usage is very simple

$ python fsck.py
Graphite Whisper FSCK
Written by Jack Neely <[email protected]>

Scanning /opt/graphite/storage/whisper...
503958 whisper files examined.
0 errors.
Done!

Supply a directory if your storage directory is in a different location:

$ python fsck.py /data/whisper

Use the -f option to move corrupt files out of the way, otherwise the script will just report.