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Development Continues For Supporting EXT4 On NVDIMMs

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  • Development Continues For Supporting EXT4 On NVDIMMs

    Phoronix: Development Continues For Supporting EXT4 On NVDIMMs

    The large set of 22 patches for supporting the EXT4 file-system on non-volatile DIMM memory is now up to its eighth revision...

    Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite

  • #2
    Wouldn't that also work for Dell "Machine" ?

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    • #3
      Originally posted by przemoli View Post
      Wouldn't that also work for Dell "Machine" ?
      Do you mean "The Machine" announced by HP, which will use ReRAM?

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      • #4
        Originally posted by newwen View Post
        Do you mean "The Machine" announced by HP, which will use ReRAM?
        Ok. Thats the beast.

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        • #5
          Reserving RAM for a RAMdisk is a ridiculous waste of memory; using RAM for the page cache always gets better utilization. You'd think people would have learned this after 30 years of PCs.

          If they had focused their dev effort on reserving the NVDIMM banks for the page cache, then you'd get reset-proof persistence for *every* other filesystem mounted on the machine, instead of a single RAMdisk filesystem that you have to explicitly copy files to in order to get any benefit. Seriously, this is a 30 year step backward in computing technology.

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          • #6
            Originally posted by highlandsun View Post
            Reserving RAM for a RAMdisk is a ridiculous waste of memory; using RAM for the page cache always gets better utilization. You'd think people would have learned this after 30 years of PCs.

            If they had focused their dev effort on reserving the NVDIMM banks for the page cache, then you'd get reset-proof persistence for *every* other filesystem mounted on the machine, instead of a single RAMdisk filesystem that you have to explicitly copy files to in order to get any benefit. Seriously, this is a 30 year step backward in computing technology.
            But there are some use cases where you simple don't need persistent data storage and ramdisk is good enough.

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            • #7
              Originally posted by miskol View Post
              But there are some use cases where you simple don't need persistent data storage and ramdisk is good enough.
              If you don't need persistence then you don't need to be thinking about NVDIMMs. Totally irrelevant.

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