In-situ processing
0In-situ processing also known as in-storage processing (ISP) is a computer science term that refers to processing data where it resides. In-situ means "situated in the original, natural, or existing place or position." An in-situ process processes data where it is stored such as in solid-state drives (SSDs) or memory devices like NVDIMM, rather than sending the data to a computer's central processing unit (CPU).
The technology utilizes embedded processing engines inside the storage devices to make them capable of running user applications in-place, so data does not need to leave the device to be processed. The technology is not new, but modern SSD architecture, as well as the availability of powerful embedded processors, make it more appealing to run user applications in-place. SSDs deliver higher data throughput in comparison to hard disk drives (HDDs). Additionally, in contrast to the HDDs, the SSDs can handle multiple I/O commands at the same time.
The SSDs contain a considerable amount of processing horsepower for managing flash memory array and providing a high-speed interface to host machines. These processing capabilities can provide an environment to run user applications in-place. The computational storage device (CSD) term refers to an SSD which is capable of running user applications in-place. In an efficient CSD architecture, the embedded in-storage processing subsystem has access to the data stored in flash memory array through a low-power and high-speed link. The deployment of such CSDs in clusters can increase the overall performance and efficiency of big data and high-performance computing (HPC) applications.
Source: https://en.wikipedia.org/wiki/In-situ_processing
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