Sorry if this discussion seems to have gone down a rathole, but I do
hope someone finds this useful. It’s possible that the Time Machine
performance issues have nothing to do with MailMate. There have been
many recent reports of issues with Time Machine after an OS upgrade.
Below is a very
I came across this low-level approach to debugging Time Machine
performance issues:
https://medium.com/macoclock/time-machine-backups-too-slow-5ed1e5e347a4
I left for last the most complex, low-level debugging tool you have
available allowing you to monitor your filesystem access in
On 22 Oct 2020, at 10:07, Steven M. Bellovin wrote:
That's not the issue. I've excluded Database.noindex for
years—it's very large, and because MailMate doesn't try
to synchronize writes to it with changes to messages, it's
not likely to be correct after a restore in any event. Let me
restate
That's not the issue. I've excluded Database.noindex for
years—it's very large, and because MailMate doesn't try
to synchronize writes to it with changes to messages, it's
not likely to be correct after a restore in any event. Let me
restate the problem.
It is *not* just the number of messages.
On 22 Oct 2020, at 4:20, Glenn Parker wrote:
I exclude ~/Library/Application Support/MailMate/Database.noindex from
my Time Machine backups. It makes a real difference (measured using
*BackupLoupe 2*).
Sounds reasonable: the index will change a lot and, as a binary file,
can't be diffed so
On 21 Oct 2020, at 13:56, Steven M. Bellovin wrote:
I've had to disable Time Machine backups of the directories
containing my IMAP messages—I was getting at most two
backups per day because each one took so long. Some of
it, I'm sure, is because I have about a million messages, but I don't
On 21 Oct 2020, at 13:56, Steven M. Bellovin wrote:
I've had to disable Time Machine backups of the directories
containing my IMAP messages—I was getting at most two
backups per day because each one took so long. Some of
it, I'm sure, is because I have about a million messages, but
I don't
On 21 Oct 2020, at 19:56, Steven M. Bellovin wrote:
> The issue, then, would seem to be something about messages
> being added to or deleted from some mail folders, possibly
> propagating up the directory tree. Is that right? Is there some
> organizational pattern I could use that would cut the
I've had to disable Time Machine backups of the directories
containing my IMAP messages—I was getting at most two
backups per day because each one took so long. Some of
it, I'm sure, is because I have about a million messages, but
I don't think that that's the whole story—my backup laptop,
which
