Filters








5,544 Hits in 5.3 sec

Decreasing log data of multi-tier services for effective request tracing [article]

Bo Sang, Jianfeng Zhan, Guanhua Tian
2010 arXiv   pre-print
Previous work shows request tracing systems help understand and debug the performance problems of multi-tier services.  ...  Previous work such as white-box or black box tracing systems will produce large amount of log data, which would be correlated into large quantities of causal paths for performance debugging.  ...  for performance debugging of multi-tier services.  ... 
arXiv:1003.0959v1 fatcat:4e2c5rshpnh2xolskgbjntrlva

Precise, Scalable and Online Request Tracing for Multi-tier Services of Black Boxes [article]

Bo Sang, Jianfeng Zhan, Zhihong Zhang, Lei Wang, Dongyan Xu, Yabing Huang, Dan Meng
2010 arXiv   pre-print
This paper introduces a precise, scalable and online request tracing tool, named PreciseTracer, for multi-tier services of black boxes.  ...  Our contributions are four-fold: first, we propose a precise request tracing algorithm for multi-tier services of black boxes, which only uses application-independent knowledge; second, we respectively  ...  There are several challenges in proposing a request tracing tool for on-line analysis of multi-tier services of black boxes.  ... 
arXiv:1007.4057v1 fatcat:mytumctzhnft7p4iakc3qunlqe

Precise, Scalable, and Online Request Tracing for Multitier Services of Black Boxes

Bo Sang, Jianfeng Zhan, Gang Lu, Haining Wang, Dongyan Xu, Lei Wang, Zhihong Zhang, Zhen Jia
2012 IEEE Transactions on Parallel and Distributed Systems  
First, we propose a precise request tracing algorithm for multi-tier services of black boxes, which only uses application-independent knowledge.  ...  In this paper, we introduce a precise, scalable, and online request tracing tool for multi-tier services of black boxes. Our contributions are three-fold.  ...  Precise request tracing for multi-tier services of black boxes is challenging in many aspects.  ... 
doi:10.1109/tpds.2011.257 fatcat:exobro5el5gobalvwojiwijwxq

Precise request tracing and performance debugging for multi-tier services of black boxes

Zhihong Zhang, Jianfeng Zhan, Yong Li, Lei Wang, Dan Meng, Bo Sang
2009 2009 IEEE/IFIP International Conference on Dependable Systems & Networks  
Our contributions are two-fold: first, we propose a precise request tracing algorithm for multi-tier services of black boxes, which only uses application-independent knowledge; secondly, we present a component  ...  As more and more multi-tier services are developed from commercial components or heterogeneous middleware without the source code available, both developers and administrators need a precise request tracing  ...  Weisong Shi for their helpful suggestions. This paper is supported by the NSFC (Grant No. 60703020) and the 863 programs (Grant No. 2009AA01Z139 and Grant No. 2006AA01A102).  ... 
doi:10.1109/dsn.2009.5270321 dblp:conf/dsn/ZhangZLWMS09 fatcat:esmzd4le6bbzzdwattbwqawmrm

Performance Evaluation Approach for Multi-Tier Cloud Applications

Arshdeep Bahga, Vijay K. Madisetti
2013 Journal of Software Engineering and Applications  
We propose a methodology for performance testing of complex multi-tier applications.  ...  We propose a rapid deployment prototyping methodology that can help in choosing the best and most cost effective deployments for multi-tier applications that meet the specified performance requirements  ...  Real traces of a multi-tier application which are logged on web servers, application servers and database servers, have information regarding the user, the requests submitted by the user and the time-stamps  ... 
doi:10.4236/jsea.2013.62012 fatcat:cdyolgic4vhfpmilebungbtmeu

PowerTracer: Tracing requests in multi-tier services to save cluster power consumption [article]

Lin Yuan, Jianfeng Zhan, Bo Sang, Lei Wang, Haining Wang
2010 arXiv   pre-print
To achieve this goal, we propose a request tracing approach that online classifies the major causal path patterns of a multi-tier service and monitors their performance data as a guide for accurate DVFS  ...  The request tracing approach significantly decreases the time cost of performance profiling experiments that aim to establish the empirical performance model.  ...  The online request tracing module is used to collect online performance data of multi-tier services, including main patterns, their respective server-side latencies, service time of each tier, and current  ... 
arXiv:1007.4890v2 fatcat:litewsuddva2ll7v5c5tnpldfe

Characterizing Network Traffic in a Cluster-based, Multi-tier Data Center

Deniz Ersoz, Mazin S. Yousif, Chita R. Das
2007 27th International Conference on Distributed Computing Systems (ICDCS '07)  
Recent studies show that a clustered, multi-tier architecture is a cost-effective approach to design such servers.  ...  In this paper, we focus on the characteristics of the network behavior within a clustered, multi-tiered data center.  ...  To the best of our knowledge, our work is the first to focus within a clustered, multi-tiered data center.  ... 
doi:10.1109/icdcs.2007.90 dblp:conf/icdcs/ErsozYD07 fatcat:avra7b4iznawnilax42lpldluq

Desperately Seeking ... Optimal Multi-Tier Cache Configurations

Tyler Estro, Pranav Bhandari, Avani Wildani, Erez Zadok
2020 USENIX Workshop on Hot Topics in Storage and File Systems  
Multiple tiers of heterogeneous physical and virtual devices, with many configurable parameters, all contend to optimally serve swarms of requests between local and remote applications.  ...  It is our position that best practices in cache analysis should include the evaluation of multi-tier configurations, coupled with more comprehensive metrics that reveal critical design trade-offs, especially  ...  This instance generates two output files: i) A log file "L1-log" containing counters for the following: read hits, write hits, read misses, write misses, data read, data written. ii) We specify a new trace  ... 
dblp:conf/hotstorage/EstroBWZ20 fatcat:f3eetlewjrdylpkgk6qaagubgy

E2EProf: Automated End-to-End Performance Management for Enterprise Systems

Sandip Agarwala, Fernando Alegre, Karsten Schwan, Jegannathan Mehalingham
2007 37th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN'07)  
Distributed systems are becoming increasingly complex, caused by the prevalent use of web services, multi-tier architectures, and grid computing, where dynamic sets of components interact with each other  ...  Pathmap and the E2EProf toolkit successfully detect causal request paths and associated performance bottlenecks in the RUBiS ebay-like multi-tier web application and in one of the datacenter of our industry  ...  Figure 1 shows the multiple service paths used by three different types of clients in a multi-tier web service, for example, where paths are differentiated by the kinds of requests being submitted.  ... 
doi:10.1109/dsn.2007.38 dblp:conf/dsn/AgarwalaASM07 fatcat:btgcautobvhtlkulowbkofygp4

Synthetic Workload Generation for Cloud Computing Applications

Arshdeep Bahga, Vijay Krishna Madisetti
2011 Journal of Software Engineering and Applications  
We present techniques for characterization, modeling and generation of workloads for cloud computing applications.  ...  Methods for capturing the workloads of cloud computing applications in two different models -benchmark application and workload models are described.  ...  Since fewer requests are serviced per second with an increasing think time, R 90 decreases. Figure 11 shows the effect of inter-session interval on R 90 .  ... 
doi:10.4236/jsea.2011.47046 fatcat:k4bq35bw6rh5pk2rcdm5wlpjnq

Predictive and Dynamic Resource Allocation for Enterprise Applications

M. Al-Ghamdi, A.P. Chester, S.A. Jarvis
2010 2010 10th IEEE International Conference on Computer and Information Technology  
This study uses real-world workload traces consisting of approximately 3.5M requests, and models a multi-tiered, cluster-based, multi-server solution.  ...  This paper investigates the combination of workload prediction algorithms and switching policies: the former aim to forecast the workload associated with Internet services, the latter switch resources  ...  MODELLING OF MULTI-TIERED INTERNET SERVICES AND REVENUE FUNCTION.  ... 
doi:10.1109/cit.2010.463 dblp:conf/IEEEcit/Al-GhamdiCJ10 fatcat:gip27ikjyfcflht66ubann373m

Mt-wave

Anthony J. Arkles, Dwight J. Makaroff
2011 Proceeding of the second joint WOSP/SIPEW international conference on Performance engineering - ICPE '11  
We postulate that multi-tier profiling, starting at the web browser, is the appropriate way to solve this problem.  ...  We have built MT-WAVE, a system that integrates with the different tiers of a web application (including a browser extension) and collects light-weight instrumentation to a central location via X-Trace  ...  in place to receive log messages from these different systems, collecting and aggregating profiling information will further help the analyst understand the behaviour in the system, especially by providing  ... 
doi:10.1145/1958746.1958783 dblp:conf/wosp/ArklesM11 fatcat:536xmnhsyrfjxktt56lolhhol4

Resource allocation across multiple cloud data centres

Barnaby Malet, Peter Pietzuch
2010 Proceedings of the 8th International Workshop on Middleware for Grids, Clouds and e-Science - MGC '10  
Our evaluation with two data centres and globally distributed clients on PlanetLab shows that our approach can decrease median client response times by 21% for a realistic multi-tier web application.  ...  Based on observations and predictions of client request rates, it migrates application components between data centres.  ...  The trace is an Apache log file that contains HTTP status codes, request sizes, request times and client IP addresses.  ... 
doi:10.1145/1890799.1890804 dblp:conf/middleware/MaletP10 fatcat:fpq2jyp4sncrthdmhtk7t4ocse

SLA-Driven Dynamic Resource Management for Multi-tier Web Applications in a Cloud

Waheed Iqbal, Matthew N. Dailey, David Carrera
2010 2010 10th IEEE/ACM International Conference on Cluster, Cloud and Grid Computing  
The complex nature of multi-tier Web applications increases the difficulty of identifying bottlenecks and resolving them automatically.  ...  Our preliminary results shows that dynamic bottleneck detection and resolution for multi-tier Web application hosted on the cloud will help to offer SLAs that can offer response time guarantees.  ...  Consumers of these services host applications and store data for business or personal needs.  ... 
doi:10.1109/ccgrid.2010.59 dblp:conf/ccgrid/IqbalDC10 fatcat:q6ujqoamlbfrxmihs63l4cec6e

Discussion of various models related to cloud performance [article]

Chaitanya Krishna Kande
2015 arXiv   pre-print
Knowing the metrics related to infrastructure is very critical to enhance the performance of cloud services.  ...  Various metrics related to clouds such as pageview response time, admission control and enforcing elasticity to cloud infrastructure are very crucial in analyzing the characteristics of the cloud to enhance  ...  SLAs etc., A feasible study is done for the above approach. i.e, is about tracing overheads, log data tractability and usefulness of the resulting model.  ... 
arXiv:1505.00236v1 fatcat:uadiwywgd5g2dhpb7zzlomn324
« Previous Showing results 1 — 15 out of 5,544 results