The Intel SSD 600p (512GB) Review
by Billy Tallis on November 22, 2016 10:30 AM ESTAnandTech Storage Bench - The Destroyer
The Destroyer is an extremely long test replicating the access patterns of very IO-intensive desktop usage. A detailed breakdown can be found in this article. Like real-world usage and unlike our Iometer tests, the drives do get the occasional break that allows for some background garbage collection and flushing caches, but those idle times are limited to 25ms so that it doesn't take all week to run the test.
We quantify performance on this test by reporting the drive's average data throughput, a few data points about its latency, and the total energy used by the drive over the course of the test.
The average data rate sustained by the 600p on The Destroyer shows that the drive is almost entirely limited by the speed of the 3D TLC NAND, and it is barely any faster than the Crucial MX300 that uses the same NAND.
The average service time of the 600p is much lower than most TLC SSDs, so the NVMe PCIe interface is providing some latency benefit even when the drive's throughput doesn't need anything faster than SATA. The 600p is still only as good as a mid-range MLC SATA SSD and doesn't come close to the low latency of high-end NVMe drives.
The number of high latency outliers above the 10ms threshold and above 100ms tells two quite different stories. The 600p is as good as most MLC SATA drives at completing most of its operations in under 10ms, but when the drive stalls, it does so as severely as a budget TLC SATA SSD.
Operating a PCIe 3.0 x4 link requires quite a bit more power than a SATA link, so most PCIe SSDs start at a disadvantage in power consumption and make up for it by completing the test fast enough that the total energy used is not higher than is typical for SATA SSD. The 600p doesn't complete The Destroyer any quicker than a SATA SSD and the 40nm fab process used by the SM2260 controller doesn't do it any favors here either.
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Samus - Wednesday, November 23, 2016 - link
Multicast helped but when you are saturating the backbone of the switch with 60Gbps of traffic it only slightly improves transfer. With light traffic we were getting 170-190MB/sec transfer rate but with a full image battery it was 120MB/sec. Granted with Unicast it never cracked 110MB/sec under any condition.ddriver - Wednesday, November 23, 2016 - link
Multicast would be UDP, so it would have less overhead, which is why you are seeing better bandwidth utilization. Point is with multicast you could push the same bandwidth to all clients simultaneously, whereas without multicast you'd be limited by the medium and switching capacity on top of the TCP/IP overhead.Assuming dual 10gbit gives you the full theoretical 2500 mb/s, if you have 100 mb/s to each client, that means you will only be able to serve no more than 25 clients. Whereas with multicast you'd be able to push those 170-190 mb/s to any number of clients, tens, hundreds, thousands or even millions, and by daisy chaining simply gigabit routers you make sure you don't run out of switching capacity. Of course, assuming you want to send the same identical data to all of them.
BrokenCrayons - Wednesday, November 23, 2016 - link
"Also, he doesn't really have "his specific application", he just spat a bunch of nonsense he believed would be cool :D"Technical sites are great places to speculate about what-ifs of computer technology with like minded people. It's absolutely okay to disagree with someone's opinion, but I don't think you're doing so in a way that projects your thoughts as calm, rational, or constructive. It seems as though idle speculation on a very insignificant matter is treated as a threat worthy of attack in your mind. I'm not sure why that's the case, but I don't think it's necessary. I try to tell my children to keep things in perspective and not to make a mountain out of a problem if its not necessary. It's something that helps them get along in their lives now that they're more independent of their system of parental checks and balances. Maybe stopping for a few moments to consider whether or not the thing that's upsetting you and making you feel mad inside is a good idea. It could put some of these reader comments into a different, more lucid perspective.
ddriver - Tuesday, November 22, 2016 - link
Oh and obviously, he meant "image" as in pictures, not image as in os images LOL, that was made quite obvious by the "media" part.tinman44 - Monday, November 28, 2016 - link
The 960 EVO is only a little bit more expensive for consistent, high performance compared to the 600p. Any hardware implementation where more than a few people are using the same drive should justify getting something worthwhile, like a 960 pro or real enterprise SSD, but the 960 EVO comes very close to the performance of those high-end parts for a lot less money.ddriver: compare perf consistency of the 600p and the 960 EVO, you don't want the 600p.
vFunct - Wednesday, November 23, 2016 - link
> There is already a product that's unbeatable for media storage - an 8tb ultrastar he8. As ssd for media storage - that makes no sense, and a 100 of those only makes a 100 times less sense :DYou've never served an image gallery, have you?
You know it takes 5-10 ms to serve a single random long-tail image from an HDD. And a single image gallery on a page might need to serve dozens (or hundreds) of them, taking up up to 1 second of drive time.
Do you want to tie up an entire hard for one second, when you have hundreds of people accessing your galleries per second?
Hard drives are terrible for image serving on the web, because of their access times.
ddriver - Wednesday, November 23, 2016 - link
You probably don't know, but it won't really matter, because you will be bottlenecked by network bandwidth. hdd access times would be completely masked off. Also, there is caching, which is how the internet ran just fine before ssds became mainstream.You will not be losing any service time waiting for the hdd, you will be only limited by your internet bandwidth. Which means that regardless of the number of images, the client will receive the entire data set only 5-10 msec slower compared to an ssd. And regardless of how many clients you may have connected, you will always be limited by your bandwidth.
Any sane server implementation won't read the entire gallery in a burst, which may be hundreds of megabytes before it services another client. So no single client will ever block the hdd for a second. Practically every contemporary hdd have ncq, which means the device will deliver other requests while your network is busy delivering data. Servers buffer data, so say you have two clients requesting 2 different galleries at the same time, the server will read the first image for the first client and begin sending it, and then read the first image for the second client and begin sending it. The hdd will actually be idling quite a lot waiting, because your connection bandwidth will be vastly exceeded by the drive's performance. And regardless of how many clients you may have, that will not put any more strain on the hdd, as your network bandwidth will remain the same bottleneck. If people end up waiting too long, it won't be the hdd but the network connection.
But thanks for once again proving you don't have a clue, not that it wasn't obvious from your very first post ;)
vFunct - Friday, November 25, 2016 - link
> You probably don't know, but it won't really matter, because you will be bottlenecked by network bandwidth. hdd access times would be completely masked off. Also, there is caching, which is how the internet ran just fine before ssds became mainstream.ddriver, just stop. You literally have no idea what you're talking about.
Image galleries aren't hundreds of megabytes. Who the hell would actually send out that much data at once? No image gallery sends out full high-res images at once. Instead, they might be 50 mid-size thumbnails of 20kb each that you scroll through on your mobile device, and send high-res images later when you zoom in. This is like literally every single e-commerce shopping site in the world.
Maybe you could take an internship at a startup to gain some experience in the field? But right now, I recommend you never, ever speak in public ever again, because you don't know anything at all about web serving.
close - Wednesday, November 23, 2016 - link
@ddriver, I really didn't expect you to laugh at other people's ideas for new hardware given your "thoroughly documented" 5.25" hard drive brain-fart.ddriver - Wednesday, November 23, 2016 - link
Nobody cares what clueless troll wannabes like you expect, you are entirely irrelevant.