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首页> 外文会议>International Conference on Computational Science - ICCA 2003 Pt.2 Jun 2-4, 2003 Melbourne, Australia and St. Petersburg, Russia >Performance Evaluation of the Striped Checkpointing Algorithm on the Distributed RAID for Cluster Computer
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Performance Evaluation of the Striped Checkpointing Algorithm on the Distributed RAID for Cluster Computer

机译：集群计算机分布式RAID上条带化检查点算法的性能评估

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摘要

The distributed RAID for serverless cluster computer is used to save the checkpoint files periodically according to the checkpointing algorithm for rollback recovery. Striped checkpointing algorithm newly proposed in this paper can adopt the merits of the coordinated and the staggered checkpointing algorithms. Coordinating enables parallel I/O on distributed disks and staggering avoids network bottleneck in distributed disk I/O operations. With a fixed cluster size, we reveal the tradeoffs between these two speedup techniques. The striped checkpointing approach allows dynamical reconfiguration to minimize checkpointing overhead among concurrent software processes. We demonstrate how to reduce the overhead by striping and staggering dynamically. For communication-intensive computational programs, this new scheme can significantly reduce the checkpointing overhead. Linpack HPC Benchmark results prove the benefits of trading between stripe parallelism and distributed staggering. These results are useful to design efficient checkpointing algorithm for fast rollback recovery from any single node failure in a cluster computer.
机译：用于无服务器群集计算机的分布式RAID用于根据用于回滚恢复的检查点算法定期保存检查点文件。本文新提出的条带化检查点算法可以利用协调和交错检查点算法的优点。协调启用了分布式磁盘上的并行I / O，而交错避免了分布式磁盘I / O操作中的网络瓶颈。在集群大小固定的情况下，我们揭示了这两种加速技术之间的权衡。条纹检查点方法允许动态重新配置，以最小化并发软件进程之间的检查点开销。我们演示了如何通过动态分条和交错来减少开销。对于通信密集型计算程序，此新方案可以显着减少检查点开销。 Linpack HPC Benchmark结果证明了在条带并行和分布式交错之间进行交易的好处。这些结果对于设计有效的检查点算法很有用，以便从群集计算机中的任何单节点故障中快速回滚恢复。

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