4 ms·

I'm not exactly sure what's being invented here that doesn't exist already.

• jpadkins 15y ago
  can you cite an example of when DRAM is used for persistent storage? I am not aware of any.
  • jshharlow 15y ago
    Something like http://www.anandtech.com/show/1742 http://www.anandtech.com/show/1742 seems similar.
    • bestes 15y ago
      Did that thing ever actually ship?
      • jolan 15y ago
        Yep, you could buy it new up until a couple years ago. http://www.amazon.com/Gigabyte-GC-RAMDISK-i-RAM-Hard-Drive/dp/B000EPM9NC/ref=sr_1_1?ie=UTF8&qid=1317834201&sr=8-1 http://www.amazon.com/Gigabyte-GC-RAMDISK-i-RAM-Hard-Drive/d...
      • patrickgzill 15y ago
        Yes, I have one working OK in a ZFS based server.
  • deleted 15y ago
    [deleted]
  • antoncohen 15y ago
    There are a few products the use primarily DRAM, usually backed by capacitors/batteries and flash. ZeusRAM SAS drive: http://www.stec-inc.com/product/zeusram.php http://www.stec-inc.com/product/zeusram.php RamSan rack-mounted: http://www.ramsan.com/products/rackmount-ram-storage/ramsan-440 http://www.ramsan.com/products/rackmount-ram-storage/ramsan-... Kaminario K2 SAN: http://www.kaminario.com/products/K2-Solid-State-SAN-Storage/ http://www.kaminario.com/products/K2-Solid-State-SAN-Storage...
    • j_s 15y ago
      Further examples of combo products: http://en.wikipedia.org/wiki/IOPS http://en.wikipedia.org/wiki/IOPS
  • j_s 15y ago
    SATA2 DDR2 HyperDrive5 64GB: A Solid State DDR drive. http://www.hyperossystems.co.uk/07042003/hardware.htm http://www.hyperossystems.co.uk/07042003/hardware.htm
  • stepcut 15y ago
    acid-state, http://acid-state.seize.it/ http://acid-state.seize.it/, which was previously known as happstack-state, and before that HAppS-State, has been doing it since 2005 or so. acid-state currently lacks replication/multimaster support, but happstack-state has had several experimental implementations of that as well. acid-state is Haskell specific.. but that is part of the appeal. You can directly store fancy algebraic data structures with acid-state. You are not limited to a simple combination of records integers and strings (for example).
  • deleted 15y ago
    [deleted]
  • DarkShikari 15y ago
    http://www.ramsan.com/ http://www.ramsan.com/
  • MichaelGG 15y ago
    http://www.voltdb.com http://www.voltdb.com
• jasonwatkinspdx 15y ago
  1.) Reading the position paper should help you with that. It cites some prior literature. In particular the DeWitt paper should be a good jumping off point on citeseer or the like. For that matter, reading DeWitt's papers should cover a great deal of academia's exploration of novel database architectures. 2.) It's a position paper. It's not attempting to assert a novel invention from day one, it's staking a claim about the design space (and further that you should fund us to do research in this space). 3.) The project is ongoing, you can see some preliminary results on their wiki. Most notable are some details on very low latency RPC and very rapid recovery. The recovery work rediscovers the same essential prescription as bigtable but does so via a second sharding scheme, which I believe is novel. Whether it's better is open to debate.
  • jasonwatkinspdx 15y ago
    Sorry if I seem cranky, but I'm damn tired of people doing drive by criticisms of "ALREADY BEEN DONE BRO" on hackernews, particularly when they clearly haven't even read the primary sources. Novelty or originality are not the only requirements for noteworthiness. A great deal gets done confirming prior experience or making relatively modest and obvious evolutionary extensions of previously well known work.
    • sshirokov 15y ago
      No worries. It was a query of clarification not trolling, thanks.