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Load balancing and computing localization method of iterative backtracking algorithm based on hdfs

A backtracking algorithm and load balancing technology, applied in computing, structured data retrieval, special data processing applications, etc., can solve problems affecting query or storage data performance, etc.

Active Publication Date: 2017-11-14
北京东方国信科技股份有限公司
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Problems solved by technology

The disadvantage of the Map Reduce model is that there are some unnecessary remote reads in the way of assigning tasks, which affects the performance of querying or storing data

Method used

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  • Load balancing and computing localization method of iterative backtracking algorithm based on hdfs

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Embodiment Construction

[0027] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] Computational localization is to send calculations to the data storage nodes for execution, and try to avoid data transmission to other nodes for calculations through the network, saving bandwidth usage. The Planner in the data analysis engine of the present invention, that is, the execution plan generator, selects which nodes to scan and which data packets to scan according to the analysis information of the data packets and the load status of each node.

[0029] In order to better understand and apply the load balancing and computing localization method based on the HDFS iterative backtracking algorithm proposed by the present invention, the following figures are used as examples to illustrate in detail.

[0030] Such as figure 1 As shown, the present invention provides a load balancing and calculation localization method based on the iterative...

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Abstract

The present invention relates to a load balancing and computing localization method based on HDFS iterative backtracking algorithm, including: S1: Planner reads the IP addresses and load status of all surviving nodes in all data analysis engine systems; S2: Planner reads from the name node Get the distribution information of all data packets of the table; S3: The IP addresses and load status of all surviving nodes in the system read by Planner and the distribution information of all data packets read from the name node use the iterative method The backtracking algorithm realizes load balancing. The invention can quickly and efficiently realize load balancing on the basis of ensuring the localization of calculation through the generated Planner.

Description

technical field [0001] The invention relates to the technical field of computer distributed databases, in particular to a load balancing and computing localization method based on an HDFS-based iterative backtracking algorithm. Background technique [0002] At present, most data analysis engines realize load balancing by moving HDFS files, that is, changing the physical location of HDFS files, for example, moving from Data Node A (data node A) to Data Node B (data node B), the present invention No one has found any relevant research on implementing load balancing while data is running. The disadvantage of the Map Reduce model is that there are some unnecessary remote reads in the way of assigning tasks, which affects the performance of querying or storing data. Contents of the invention [0003] The technical problem to be solved by the present invention is how to send the calculation of the large table to the data storage node for execution, avoid data transmission to ot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30H04L29/08
CPCG06F16/25H04L67/1001
Inventor 刘垚孔令雷王小玉霍卫平金正皓
Owner 北京东方国信科技股份有限公司
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