Diskache
Infrastructure
disk caching
SHOW HN2016
How HN took it
0 positive, 7 neutral or asking, 0 mixed, 2 critical, out of 9 comments about the project. Thread score -0.20.
Idea: 0 for, 1 againstPerformance: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Useful for slow thumbnails and large folders on HDD
From 1 comment
That's not so true. I'm usually very annoyed, when navigating my pictures or video collection, and thumbnails appear after several seconds. Same with large folders.
lostmsu on HN
Objections
SSD prices are now low, so the need is small
From 1 comment
With the now relatively-low price of SSDs, I don't personally see a huge need for this. Maybe 4+ years ago, but not now.
markherhold on HN
Mean latency is less important than tail latency; HDDs stay slow
From 1 comment
So far I am not so impressed with ssd cache of HDD; people don't perceive mean latency so much as tail latency so long as you have an HDD attached to a windows machine it will…
PaulHoule on HN
Few people still use desktops with separate HDDs
From 1 comment
The other big problem is that there's less and less people using anything but the notebooks, where it's effectively either HDD or SSD.
acqq on HN
Requests
Open source the caching and SSD handling code
From 1 comment
Do you want to open it up or make it possible to extend? I want to experiment with this, but not having the caching code and SSD handling code for the windows kernel doesn't…
farawayea on HN
Combine RAM and SSD caching
From 1 comment
Do you want to open it up or make it possible to extend? I want to experiment with this, but not having the caching code and SSD handling code for the windows kernel doesn't…
farawayea on HN
Questions
Would a very large virtual cache disk help, rather than RAM disk
From 1 comment
Shower thought about this: Instead of create a ULTRA FAST virtual disk by unused memory such as ramdisk, diskache.io can create a ULTRA LARGE virtual disk to cache.
yq on HN
Alternatives named
Apple Fusion Drive
From 1 comment
So, this is essentially a Windows version of OS X's Fusion Drive?
TazeTSchnitzel on HN
Intel Smart Response Technology
From 1 comment
Well, actually: https://en.m.wikipedia.org/wiki/Smart_Response_Technology (2011)
mastax on HN
flashcache and bcache
From 1 comment
Or flashcache: https://github.com/facebook/flashcache Or bcache: https://bcache.evilpiepirate.org/
liuliu on HN
HGST ServerCache
From 1 comment
WD/HGST purchased the former Velobit company and their product morphed into ServerCache, which was Flash-based disk caching for Linux and Windows.…
linker3000 on HN