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why is my resin tacky
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
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Apache Hadoop YARN (Yet Another Resource Negotiator) is a key component of the Apache Hadoop ecosystem, introduced in Hadoop version 2 to enhance the resource management capabilities of Hadoop. Prior to YARN, Hadoop's processing framework was tightly coupled with MapReduce, limiting the system to only those kinds of workloads. YARN transformed Hadoop into a multi-application data processing platform by decoupling the resource management and job scheduling/monitoring functions into a separate layer. This allows for multiple data processing frameworks, such as interactive processing, real-time streaming, and graph processing, to run and be managed efficiently on the same Hadoop system. YARN consists of three main components: the ResourceManager, which manages the allocation of compute resources among all the applications in the system; the NodeManager, a per-node agent responsible for containers, monitoring their resource usage (CPU, memory, disk, network) and reporting the same to the ResourceManager; and the ApplicationMaster, which is an application-specific code that negotiates resources from the ResourceManager and works with the NodeManager(s) to execute and monitor the tasks. YARN thus enables more efficient, flexible, and scalable data processing across the Hadoop ecosystem.
Epoxy and resin are related but not the same. Resin is a broad term that includes many substances which are liquid and can harden, often used for various industrial, artistic, and construction purposes. Epoxy, on the other hand, is a type of resin known for its strong adhesive qualities and durability. It is a thermosetting polymer formed from the reaction of an epoxide "resin" with a polyamine "hardener". Epoxy resins are specifically valued for their mechanical properties and chemical resistance. So, while all epoxies are resins, not all resins are epoxies. Their differences are significant in terms of their chemical composition, curing process, and applications, making it essential to choose the right one based on the requirements of the project.
Polymers are large molecules made of many repeated subunits called monomers. These monomers are usually organic compounds consisting mainly of carbon and hydrogen, often along with oxygen, nitrogen, sulfur, silicon, or phosphorus. The process of forming polymers, polymerization, can occur in various ways, but it generally involves the linkage of monomers through chemical reactions, leading to long chains or networks. There are both natural polymers, such as DNA, cellulose, and proteins, which play crucial roles in biological functions, and synthetic polymers, including plastics, nylon, and silicone, which are vital in numerous applications across industries. The diversity of polymer structures and compositions allows for a wide range of properties and functionalities, making polymers indispensable in everyday life and technological advancements.
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