{"title":"定期检查点下数据库系统的可用性和性能评估","authors":"Reinaldo Vallejos Campos, E. D. S. E. Silva","doi":"10.1109/FTCS.1995.466983","DOIUrl":null,"url":null,"abstract":"Checkpointing roll back and recovery is a common technique to insure data integrity, to increase availability and to improve the performance of transaction oriented database systems. Parameters such as the the checkpointing frequency and the system load have an impact on the overall performance and it is important to develop accurate models of the system under study. We find expressions for the system availability and for the expected response time of the transactions from a model that, unlike previous analytical work, takes into account the dependency among the recovery times between two checkpoints. Furthermore, our model can incorporate details concerning the contention for the system resources.<<ETX>>","PeriodicalId":309075,"journal":{"name":"Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Availability and performance evaluation of database systems under periodic checkpoints\",\"authors\":\"Reinaldo Vallejos Campos, E. D. S. E. Silva\",\"doi\":\"10.1109/FTCS.1995.466983\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Checkpointing roll back and recovery is a common technique to insure data integrity, to increase availability and to improve the performance of transaction oriented database systems. Parameters such as the the checkpointing frequency and the system load have an impact on the overall performance and it is important to develop accurate models of the system under study. We find expressions for the system availability and for the expected response time of the transactions from a model that, unlike previous analytical work, takes into account the dependency among the recovery times between two checkpoints. Furthermore, our model can incorporate details concerning the contention for the system resources.<<ETX>>\",\"PeriodicalId\":309075,\"journal\":{\"name\":\"Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers\",\"volume\":\"5 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-06-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/FTCS.1995.466983\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Twenty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FTCS.1995.466983","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Availability and performance evaluation of database systems under periodic checkpoints
Checkpointing roll back and recovery is a common technique to insure data integrity, to increase availability and to improve the performance of transaction oriented database systems. Parameters such as the the checkpointing frequency and the system load have an impact on the overall performance and it is important to develop accurate models of the system under study. We find expressions for the system availability and for the expected response time of the transactions from a model that, unlike previous analytical work, takes into account the dependency among the recovery times between two checkpoints. Furthermore, our model can incorporate details concerning the contention for the system resources.<>
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