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SDM shatters more world records with near-instantaneous remote mirroring

posted on May 9, 2016 by Amit Golander

A year ago Plexistor’s SDM established record-breaking local file-level access latency: millions of operations per second at only a few microseconds per op. This was — and still is — orders of magnitude faster than any other published performance results. Ever since, we have been working toward extending SDM’s performance capabilities to handle remotely mirrored/replicated writes as well. A goal that many experts considered impossible. “The difficult we do immediately. The impossible [...]

NVML 1.0, DAX and the NVM Programming Model

posted on April 12, 2016 by Amit Golander

As a veteran researcher, I’m always interested in brand new approaches for doing things. One great example is the new NVM programming model proposed by SNIA (NPM). An approach that took a big step forward this week, as version 1.0 of the associated NVM library (NVML) was released. For the few people who understood this first paragraph – congratulation on the major milestone. If you haven’t really understood it however – [...]

HPE Persistent Memory Support

posted on March 31, 2016 by Amit Golander

After dreaming about "The Machine" for years, HPE completed the first milestone. Today, HPE announced that its DL360/380 servers support NVDIMM-N, or in their own words: "New HPE ProLiant Gen9 portfolio extends leadership with industry-first support for persistent memory". I wouldn't go so far as to say that they are the first to support PM or that they offer a complete solution (software anyone?), but HPE does deserve a round of applause [...]

Wasting Money is Easier than Ever

posted on March 2, 2016 by Amit Golander

Once upon a time (1985), Richard Pryor had to work hard for a full month in order to waste 30 million dollars. And he almost failed… 30 years later, with a modern infrastructure – it is barely a challenge. NoSQL middleware will easily shard to additional servers and public cloud vendors will happily rent you as many servers as you want. Unlike Richard Pryor, you’re not trying to waste money. It [...]

Last Transaction Safe NoSQL

posted on February 19, 2016 by Amit Golander

Two weeks ago we published a short white paper showing that you can use MongoDB for critical data as well. Even if you're unwilling to lose a single update, or cannot afford to wait for uploading all the data back into memory after a power failure. MongoDB when run on Plexistor SDM is both "last transaction safe" and faster than conventional solutions. As a memory refresher, these were the main results:   Following several questions [...]

With Great Power comes Great Responsibility

posted on February 8, 2016 by Amit Golander

Programming on top of a SQL database is relatively easy. Why? Because the SQL database simplifies your work. Of course it supports Join operations, but more importantly it maintains the ACID properties for you. So you, as the application developer have some peace of mind. You know that once committed, your data is persistent and safe, even if there is a full data center power outage. That is why we feel confident [...]

How to become a storage billionaire?

posted on January 23, 2016 by Amit Golander

  Ever thought of how much your work would be easier if you had virtually no constraints? How much better would the outcome of your work be if you could just pour insane amounts of money on engineers, equipment, licenses etc. and do it under no time pressure? If you haven’t thought about it – you can stop reading.   If you have, this post will teach you how to simplify things and become [...]

Latency – Going Beyond Throughput

posted on January 17, 2016 by Amit Golander

 “We do these things not because they are easy, but because they are hard.” John F. Kennedy Storage is moving to flash, and flash is getting faster, so people keep asking me why I keep talking about latency as if there is a problem.  Isn’t faster flash going to just make everything faster?  Won’t “the rising tide lift all boats”? Flash media as a storage media is indeed “faster” than the spinning [...]

Software-Defined Memory: Defined

posted on December 13, 2015 by Amit Golander

A year ago the Fusion-IO folks in SanDisk made the first attempt to define software-defined memory (SDM, here). but a lot has changed since then. 2015 was a crucial year for the standardization of non-volatile DIMM (NVDIMM) components. There have also been several announcements of new storage-class memory devices like Intel & Micron 3D-Xpoint, HP & SanDisk RRAM and Sony & Viking ReRAM. SDM should have been called SDSM, because it [...]

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