Parallel Programming - MPP (Massively Parallel Processing) System

Data System Architecture


In a MPP data warehouse, queries originate at a client node. This query is then sent to *every* data storage node which stores part of the dataset. Results are partially aggregated locally, then combined on the client machine.

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Card Puncher Data Processing
Cloudera - Impala

Impala is a SQL for low-latency data warehousing on a Massively Parallel Processing (MPP) Infrastructure. Cloudera’s Impala is an implementation of Google’s Dremel. Dremel relies on massive parallelization....
Java Conceptuel Diagram
Java Concurrency - (Object) Wait

in Java. java/lang/ObjectObject.wait, java/lang/Object.htmlwait(long timeout) and java/lang/Objectwait(long timeout, int nanos) suspend the current thread. The invocation of wait does not return until...
Shared Everything
Parallel Programming - Architecture (Shared nothing, Shared disk, Shared Memory)

Traditionally, two approaches have been used for the implementation of parallel execution in database systems. The main differentiation is whether or not the physical data layout is used as a base –...

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