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Computer-Aided Material Design for Crash Boxes Made of High Manganese Steels
2019
Metals
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In this work, a multi-scale finite element simulation approach was used to analyze the crash behavior of different material conditions of an HMnS. ...
The proposed simulation methodology reduces the experimental time and effort for crash box design. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/met9070772
fatcat:y3oj5vxwjvhwbea74cypcuhrca
Enhancing recovery using an SSD buffer pool extension
2011
Proceedings of the Seventh International Workshop on Data Management on New Hardware - DaMoN '11
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We quantify the overhead of supporting recovery and show that the overhead is minimal. ...
In this paper, we describe a mechanism extending our previous work on a SSD Bufferpool on a DB2 LUW prototype, to exploit the SSD persistence for recovery and normal restart. ...
To see an example of what could go wrong, imagine an Aries-style [9] recovery mechanism in which the SSD is consulted for reads, without hard disk I/O. ...
doi:10.1145/1995441.1995443
dblp:conf/damon/BhattacharjeeRLMB11
fatcat:3xlerzoyvbdohfw2tvqelqallq
Maintenance of Monitoring Systems Throughout Self-healing Mechanisms
[chapter]
2008
Lecture Notes in Computer Science
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We evaluate our solution in terms of recovery time when fail-stop crashes occur in the monitoring system. ...
This paper also describes a set of experimental evaluations whose results present the tradeoff between the time required to recover the monitoring infrastructure when failures occur, and the associated ...
The views expressed in this paper are solely those of the authors and do not necessarily represent the views of their employers, the 4WARD project, or the Commission of the European Union. ...
doi:10.1007/978-3-540-87353-2_14
fatcat:m3jypxzikngyhdtvxkkqqovlsy
A robust and lightweight stable leader election service for dynamic systems
2008
2008 IEEE International Conference on Dependable Systems and Networks With FTCS and DCC (DSN)
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We describe the implementation and experimental evaluation of a fault-tolerant leader election service for dynamic systems. ...
Our experimental evaluation indicates that it is also highly robust and inexpensive to run in practice. * ...
The average leader recovery time of S 2 , however, is slightly larger than the one of S 1 (this is due to the leader forwarding mechanism of S 2 which slightly delays the demotion of a crashed leader). ...
doi:10.1109/dsn.2008.4630089
dblp:conf/dsn/SchiperT08
fatcat:rawwo25lovfp5exfnnzsgnqfki
Application-oriented strain-hardening engineering of high-manganese steels
[article]
2019
arXiv
pre-print
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That is facilitated by strong suppression of dynamic recovery, predominant planar glide, and the activation of additional deformation mechanisms, such as transformation-induced plasticity (TRIP) and twinning-induced ...
In this work, we present an approach that employs alloy selection by stacking-fault energy calculations, which enables activation/suppression of specific deformation mechanisms. ...
Quantum mechanics guided design of new Fe based materials". The authors would like to thank all researchers contributing to Cloud I "Strain-hardening engineering" within in the SFB 761. ...
arXiv:1909.08677v1
fatcat:ht23yil3rzbr3cwt6jsofk3fxe
XNET: a reliable content-based publish/subscribe system
2004
Proceedings of the 23rd IEEE International Symposium on Reliable Distributed Systems, 2004.
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We analyze the efficiency of our techniques in a large scale experimental deployment on the PlanetLab testbed. ...
In this paper, we present the architecture of the XNET XML content network and we detail the mechanisms that we implemented to gracefully handle failures and maintain the system state consistent with the ...
In Section 4, we focus on the mechanisms that we implemented in our system to achieve reliability. Section 5 presents results from experimental evaluation. Finally, Section 6 concludes the paper. ...
doi:10.1109/reldis.2004.1353027
dblp:conf/srds/ChandF04
fatcat:cn5vwo54mfbwhigzf3qy6bojlm
Maintaining Network QoS Across NIC Device Driver Failures Using Virtualization
2009
2009 Eighth IEEE International Symposium on Network Computing and Applications
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Wes how that the standard Xen configuration, enhanced with simple detection and recovery mechanisms, cannot provide such QoS. ...
However, with NIC drivers isolated in twov irtual machines, in a primary/warm-sparec onfiguration, the system can recoverf rom an overwhelming majority of NIC driverfailures in under 10ms. ...
Our evaluation is based on extensive fault injection and includes an evaluation of a practical detection mechanism in addition to the recovery procedure.
VII. ...
doi:10.1109/nca.2009.42
dblp:conf/nca/LeGTT09
fatcat:zkytq4mt7bhedfyhu4ehw5ko6m
Fault-Tolerant Scheduling of Fine-Grained Tasks in Grid Environments
2006
The international journal of high performance computing applications
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a crash of one or more nodes. ...
We study the impact of our fault-tolerance mechanism on application efficiency, both on the Dutch DAS-2 system and using the European testbed of the EC-funded project GridLab. ...
It has been supported partly by a BSIK grant from the Dutch Ministry of Education, Culture and Science (OC&W) and is part of the ICT innovation program of the Ministry of Economic Affairs (EZ). ...
doi:10.1177/1094342006062528
fatcat:7ttqiq2hirgg5jcwtywx3wklm4
Dependability evaluation and benchmarking of Network Function Virtualization Infrastructures
2015
Proceedings of the 2015 1st IEEE Conference on Network Softwarization (NetSoft)
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In this paper, we propose a methodology for the dependability evaluation and benchmarking of NFV Infrastructures (NFVIs), based on fault injection. ...
Network Function Virtualization (NFV) is an emerging solution that aims at improving the flexibility, the efficiency and the manageability of networks, by leveraging virtualization and cloud computing ...
support the experimental evaluation of an NFVI. ...
doi:10.1109/netsoft.2015.7116123
dblp:conf/netsoft/CotroneoSILN15
fatcat:hnvqxb7bvnhlvoutu7kfrfcijm
Optimizing crash dump in virtualized environments
2010
Proceedings of the 6th ACM SIGPLAN/SIGOPS international conference on Virtual execution environments - VEE '10
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We have implemented a working prototype, Vicover, that optimizes core dump on system crash of a virtual machine in Xen, to minimize the MTTR of core dump and recovery as a whole. ...
Finally, we implement disk I/O rate control between core dump and the newly spawned VM according to user-tuned rate control policy to balance the time of crash dump and quality of services in the recovery ...
Experimental results of core dump and recovery from system crash of a virtualized TPC-W server on the Dell PowerEdge R900 machine show that the downtime is reduced by 5X with concurrent core dump and recovery ...
doi:10.1145/1735997.1736003
dblp:conf/vee/HuangCZ10
fatcat:fs67p6tjevgzdct5otnf3pzv5i
An adaptive replication scheme for elastic data stream processing systems
2015
Proceedings of the 9th ACM International Conference on Distributed Event-Based Systems - DEBS '15
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This paper combines these two fault tolerance mechanisms in one system to minimize the number of violations of a user-defined recovery time threshold and to reduce the overall resource consumption compared ...
Based on a real-world evaluation we show that our system is able to reduce the resource usage by up to 19% compared to an active replication scheme. ...
The runtime of the recovery process depends on multiple factors like shown in Figure 4 , where we present the experimental results for a series of crash experiments with our prototype. ...
doi:10.1145/2675743.2771831
dblp:conf/debs/HeinzeZKJF15
fatcat:whqto6iybzesjj5quojyqitl3y
Dynamic content web applications: Crash, failover, and recovery analysis
2009
2009 IEEE/IFIP International Conference on Dependable Systems & Networks
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This work assesses how crashes and recoveries affect the performance of a replicated dynamic content web application. ...
When subject to an identical faultload and a shopping workload, a five-replicas RobustStore maintains an accuracy of 99.999%. ...
Introduction In this work, we evaluate how crashes, failovers, and recoveries affect the performance and availability of Ro-bustStore, a highly available dynamic content web application. ...
doi:10.1109/dsn.2009.5270331
dblp:conf/dsn/BuzatoVZ09
fatcat:jpzvulnmxzc4zesvmhlcsw6y5y
ReHype
2011
Proceedings of the 7th ACM SIGPLAN/SIGOPS international conference on Virtual execution environments - VEE '11
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We introduce ReHype, a mechanism for recovery from hypervisor failures by booting a newi nstance of the hypervisor while preserving the state of running VMs. ...
Our experimental results showt hat the ReHype prototype can successfully recoverf rom over9 0% of detected hypervisor failures. ...
Experimental Setup This section presents the experimental setup used to evaluate the ReHype prototype. ...
doi:10.1145/1952682.1952692
dblp:conf/vee/LeT11
fatcat:keznjcqf5fckfpawzn3ih7pgwe
Log-Less Metadata Management on Metadata Server for Parallel File Systems
2014
The Scientific World Journal
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The experimental results show that this newly proposed mechanism can significantly improve the speed of metadata processing and render a better I/O data throughput, in contrast to conventional metadata ...
Besides, a complete metadata recovery can be achieved by replaying the backup logs cached by all involved clients, when the metadata server has crashed or gone into nonoperational state exceptionally. ...
Acknowledgments This work was supported partially by National Natural Science Foundation of China (no. 61303038) and Natural Science Foundation Project of CQ CSTC (no. CSTC2013JCYJA40050). ...
doi:10.1155/2014/813521
pmid:24892093
pmcid:PMC4032672
fatcat:75disrmolrftzcm26qeknovgny
Characterizing Performance and Energy-Efficiency of the RAMCloud Storage System
2017
2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS)
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Surprisingly, we show that replication can also play a negative role in crash-recovery. ...
In this paper, by the means of experimental evaluation, we have studied the performance and energy-efficiency of RAM-Cloud -a well-known in-memory storage system. ...
At the end of the recovery the segments are cleaned from old backups.
III. EXPERIMENTAL SETTINGS
A. ...
doi:10.1109/icdcs.2017.51
dblp:conf/icdcs/TalebIAC17
fatcat:pa7s2k6v4zgu5oa5ldz6vqqfbi
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