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Load balancing distributed inverted files
2007
Proceedings of the 9th annual ACM international workshop on Web information and data management - WIDM '07
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This paper present a comparison of scheduling algorithms applied to the context of load balancing the query traffic on distributed inverted files. ...
We avoid measuring load balance at the search engine side because this can lead to imprecise evaluation. ...
In this sense, this paper proposes a new and low cost strategy for load balancing distributed inverted files. ...
doi:10.1145/1316902.1316912
dblp:conf/widm/MarenG07
fatcat:tg763relkfapzo7xlgesinn5ey
Load Balancing Distributed Inverted Files: Query Ranking
2008
16th Euromicro Conference on Parallel, Distributed and Network-Based Processing (PDP 2008)
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Search engines use inverted files as index data structures to speed up the solution of user queries. ...
The index is distributed on a set of processors forming a cluster of computers and queries are received by a broker machine and scheduled for solution in the cluster. ...
The following figures show running times for the bulksynchronous realizations of distributed inverted files. ...
doi:10.1109/pdp.2008.93
dblp:conf/pdp/Gomez-PantojaM08
fatcat:h3omfbcgpvffhijyubziz6zxq4
Analyzing the Load Balance of Term-based Partitioning
2011
International Journal of Advanced Computer Science and Applications
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This provides high query throughput and concurrency but poor parallelism and load balance. ...
Thus distributing the load equally across the nodes is very important issue. Mainly there are two methods for collection indexing, namely document-based and term-based indexing. ...
better load balance. ...
doi:10.14569/ijacsa.2011.020103
fatcat:kmyeqgo45vhltgzwkvtddxzkbq
A Two-Tier Distributed Full-Text Indexing System
2014
Applied Mathematics & Information Sciences
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Our experiments show that the system performs well in search efficiency, resource consuming and load balance. ...
Two current inverted file partitioning schemes: document partitioning and term partitioning, have their merits individually. ...
consuming and load balance. ...
doi:10.12785/amis/080139
fatcat:be2furoypjbu7lvzhtc2mo2npu
Load and storage balanced posting file partitioning for parallel information retrieval
2011
Journal of Systems and Software
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This primary work is load and storage balanced posting file partitioning. ...
Issues to be dealt with are (1) load and storage balanced data allocation, and (2) popularity-based posting file partitioning model. ...
Inverted lists are assigned to workstations according to term popularities for load balancing. ...
doi:10.1016/j.jss.2011.01.028
fatcat:matvtq4bazfurb654znkcogfvu
Parallel methods for the generation of partitioned inverted files
2005
ASLIB Proceedings
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We examine the generation of partitioned inverted files in order to speed up the process of indexing. ...
Two types of build are investigated: local and distributed. ...
The LI figures demonstrate that the implemented process farm method provides good load balance for indexing jobs when whole files are distributed to workers. ...
doi:10.1108/00012530510621888
fatcat:qxb3kjib5rd3rjgkvstd7wrr4u
Basic issues on the processing of web queries
2005
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '05
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Using real data and a small cluster of index servers, we study four basic and key issues related to this first phase of query processing: load balance, broker behavior, performance by individual index ...
Our study, while preliminary, does reveal interesting tradeoffs: (1) that load unbalance at low query arrival rates can be controlled with a simple measure of randomizing the distribution of documents ...
LOAD BALANCE To reduce load unbalance among index servers we opt for balancing the distributions of the sizes of the inverted lists that compose the local inverted files (stored locally at the index servers ...
doi:10.1145/1076034.1076136
dblp:conf/sigir/BadueBGRZ05
fatcat:wpgpejypm5gfbckdw52k2s5fz4
High-performance distributed inverted files
2007
Proceedings of the sixteenth ACM conference on Conference on information and knowledge management - CIKM '07
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performance on distributed inverted files. ...
Ne-
vertheless, the load balance is sensitive to queries referring
Inverted Files, Parallel and Distributed Computing ...
doi:10.1145/1321440.1321579
dblp:conf/cikm/MarinC07
fatcat:i4cfhsi6pjeibeue74mfur6pnq
Text-Based P2P Content Search Using a Hierarchical Architecture
[chapter]
2004
Lecture Notes in Computer Science
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As a scalable alternative to traditional server-based architecture, peer-to-peer (P2P) computing has become a popular distributed computing paradigm. ...
Structured peer-to-peer networks achieve good scalability and high reliability, and yet they can only support a single-key based lookup instead of content search by means of DHTs (Distributed Hash Tables ...
We use a distributed combined indexing strategy, which combines the global inverted files and the local inverted files. ...
doi:10.1007/978-3-540-30544-6_46
fatcat:4az373pdsbcifbcoi4ozmforxq
Balancing reducer skew in MapReduce workloads using progressive sampling
2012
Proceedings of the Third ACM Symposium on Cloud Computing - SoCC '12
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We present a static load balancing algorithm that distributes work evenly across the reducers in a MapReduce job resulting in significant elapsed time reductions. ...
It balances the workload using Key Chopping, to split keys with large loads into sub-keys that can be assigned to different distributive reducers, and Key Packing, to assign keys with medium loads to reducers ...
Datapump-format files to HDFS on cluster #3; 128 reducers; 128 reduce-keys (i.e. database partitions) with Zipf(Building an inverted index on skewed data ran 2x-4x faster with load balancing. ...
doi:10.1145/2391229.2391245
dblp:conf/cloud/RamakrishnanSU12
fatcat:nercn4zkhzh5pfw4vbg6z6py6y
Efficient search in file-sharing networks
2007
2007 International Conference on Parallel and Distributed Systems
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Skewed workloads are load balanced with the use of a layer of indirection for placing and locating data, such that data is partitioned and distributed based on the frequency of use. ...
In this paper, we present a new and improved implementation of a distributed file-sharing system yielding (1) query result quality better than flooding and close to a centralized index, and (2) low-maintenance ...
Section 4 addresses the issue of load balancing due to the typical non-uniformity of file sharing query and keyword distributions. ...
doi:10.1109/icpads.2007.4447742
dblp:conf/icpads/BursteinS07
fatcat:dl4sliyp2vdm5dsnsgjlp6bq4y
Posting file partitioning and parallel information retrieval
2002
Journal of Systems and Software
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The partitioning schemes are designed to balance work-load of workstations in parallel query processing without increasing the average disk access time per posting. ...
The key issue is to partition the inverted file such that, during parallel query processing, each workstation consults only its own locally resident data to complete its task. ...
The major concern in deriving partitioning schemes is load balancing in parallel query processing. Document ID assignment plays an important role on load balancing. ...
doi:10.1016/s0164-1212(01)00119-4
fatcat:yrxhl7lzjjhopejsm5nlpmuwky
A Reconfigurable Load Balancing Architecture for Molecular Dynamics
2007
2007 IEEE International Parallel and Distributed Processing Symposium
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Load balancing is primarily achieved through the use of specialized processing units, referred to as FLEX units. ...
This paper proposes a novel architecture supporting dynamic load balancing on an FPGA for a Molecular Dynamics algorithm. ...
This completely eliminates the need for register files and register file addressing of any sort whatsoever. ...
doi:10.1109/ipdps.2007.370377
dblp:conf/ipps/PhillipsARDE07
fatcat:u72pfkpoobehjem4nktbmsjl4i
Load balancing for term-distributed parallel retrieval
2006
Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '06
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In this paper we examine methods for load balancing in term-distributed parallel architectures, and propose a suite of techniques for reducing net querying costs. ...
The index data can be distributed either by document or by term. ...
There are several possible approaches to an even-balance distribution of inverted lists. ...
doi:10.1145/1148170.1148232
dblp:conf/sigir/MoffatWZ06
fatcat:42orhhlu3jazthcc76m55tx3li
A Novel control of a Grid-Interfacing Inverter to Improve the Quality of Power at PCC for a 3-Phase 4-wire DG System
2017
International Journal of Engineering Research and Applications
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With such a control, the combination of grid-interfacing inverter and the 3-phase 4-wire linear/non-linear unbalanced load at point of common coupling appears as balanced linear load to the grid. ...
This paper presents a novel control strategy for achieving maximum benefits from these grid-interfacing inverters when installed in 3-phase 4-wire distribution systems. ...
Fig. 6(a) shows the profile of the unbalance non-linear load currents. The grid current pro-file, when grid-interfacing inverter controlled as shunt APF, is shown in Fig. 6(b) . ...
doi:10.9790/9622-0705044959
fatcat:tudvzv4yxvefnm2noyq27s63uu
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