[MlMt] dealing with large mailboxes

[Steven M. Bellovin]

On 2 Jan 2019, at 0:54, Bill Cole wrote:

>
> EagleFiler or any other external archival tool it certainly a 
> reasonable tactic. Anything that puts scores of thousands of files in 
> a single directory (as the 52363 files in "Files" shown) has some risk 
> of making the sorts of mistake in handling very large directories that 
> have plagued software practically forever, however an archive & 
> indexing tool that consciously and intentionally builds such a thing 
> is probably better at handling it than an IMAP client which just 
> happens to create it as a side effect of mimicking how users handle 
> messages.

I had enough performance problems with too-large folders that I wrote a 
Python
script to split them by date, as subfolders of a new parent folder : 
topic, topic-2017,
topic-2016, etc.


         --Steve Bellovin, https://www.cs.columbia.edu/~smb