For the love of all that is holy increase Time Machine I/O priority while browsing

Originator:jalkut
Number:rdar://25238547 Date Originated:18-Mar-2016 09:26 AM
Status:Open Resolved:
Product:OS X Product Version:10.11.3 (15D21)
Classification:UI/Usability Reproducible:Alwyas
 
Summary:
NOTE to bug screener: Please do not return this wtih a request to collect Time Machine diagnostics. This is an abstract, philosophical request to consider a technical change to Time Machine. It doesn't have to do with my specific machine or backup material.

A buzz went around my Twitter circles when Michael Tsai blogged about a "trick" to "massively speed up" Time Machine: 

http://mjtsai.com/blog/2016/03/16/massively-speed-up-time-machine-backups/

As an experiment I disabled the low priority support as outlined in the post, and was curious to know whether it would affect the massive performance problems I suffer when browsing Time Machine history from my OS X Server hosted network backup volume.

It did seem to massively improve that experience.

So my suggestion to the Time Machine engineering team is:

If indeed I/O priority is throttled for Time Machine, please consider disabling that throttle or raising the priority *while browsing backups*. In this modal state it would seem like a reasonable thing to consume more of the computer's I/O capacity in the name of providing a more responsive user experience.

Thanks for listening!

Steps to Reproduce:


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Version:
10.11.3 (15D21)

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