I've been using MySQL now for around a month. I also administer the system 
where our MySQL implementation is installed. Each night, we perform a full 
file system backup around 11:50PM. I just noticed that our MySQL root data 
directory is filling up with binary data files named so:

`hostname`-bin.###

So, for instance (our hostname is 'dewey'), I saw the following being 
deposited into our MySQL data dir:

-rw-rw----    1 root     root        14909 Oct  7 23:50 dewey-bin.035

There are now 35 of these files sitting in the data dir, some of which take 
up an enormous amount of disk space. Are these data dumps of some sort? 
Does this happen every time MySQL shuts down? Should I be concerned about 
this? Should I save these files or delete them?

I've checked the logs and MySQL seems to be shutting down just fine (no 
errors). However, these files are quickly eating away my disk space. A 
couple of them are over 500MB in size! If any one has any advice or 
information it would be appreciated.

Thanks,

Rob

Robert Fox
Sr. Programmer/Analyst
University Libraries of Notre Dame
(574)631-3353
[EMAIL PROTECTED]


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