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Lets be honest here - outside of a small percentage of users doing raw uncompressed video operations HDD are more than fast enough. Drives and OS both offer large caching of high use objects which reduces seek/startup time differences to a very small amount. The biggest difference is on start up and even there.. do those 5, 10, 15 secons extra really matter that much? How often are you booting? Or even resuming from hibernation if thats your thing?
As to power, idle is now around 5 or 6 watts and standby around 1. Even in a laptop the difference in power use between hdd/sdd is not going to make or break the deal. Your screen, however, another story.
That's silly. Anyone who does anything on their computer besides browsing the net and email will quickly observe that the move from slow to fast storage is the single greatest performance improvement in the history of the computer. It's very simple: if you are writing any non trivial amount of data or you are reading from datasets that exceed unreserved ram (a very typical thing to do that is gaming) then the hard drive is the primary performance bottleneck in the computer.
disks (and to some extent tape) will always have scaling advantages over litho-fabed storage
I could not disagree more. Disks spin and have some complicated assemblies and pricier raw materials. The main cost inputs to SSD are capital investments (which amortize to zero over time) and energy. There is a lower limit to density in flash (which AIUI we are already close to) but flash is already denser than hard drives. Tapes have an advantage in that they are not active and so are very cheap for offline data. Disk drives OTOH have no fundamental advantages over flash -- they are being rapidly displaced for user facing devices. Warm storage (NAS etc) where SSD performance don't play will take longer -- maybe 3-4 years and it's done.
It's called an ID for a f***king reason.
And (amount, address, timestamp) as a key? That's funny sh*t right thar!
I mostly agree, but only because of the timestamp. Timestamps make poor keys for various reasons. A little trivia: that's my blog post
*) Modify pgbouncer to only except extended protocol (parameterized) queries
*) Auto Generate list of allowed queries used by app to store in whitelist
*) Block all functions except auth if authenticated or to the whitelist othewise
have had zero problems. curious what you think.