Plava: a persistent, lightweight Java [TM] virtual machine
| dc.contributor.advisor | Berman, Sandra | |
| dc.contributor.author | Tjasink, Stephen Jeremy | |
| dc.date.accessioned | 2026-02-20T09:22:14Z | |
| dc.date.available | 2026-02-20T09:22:14Z | |
| dc.date.issued | 1999 | |
| dc.date.updated | 2024-07-11T07:46:23Z | |
| dc.description.abstract | This thesis investigates the feasibility of running an orthogonally persistent version of Java [TM] on a "small" machine with limited memory available. Other orthogonally persistent implementations do exist but these are targetted at large data sets and powerful machines. The modification of an existing lightweight Java Virtual Machine (JVM) in order to provide persistence is discussed. It highlights decisions that were made in the areas of memory management, object faulting and update tracking in order to implement these facilities efficiently without using undue amounts of memory. Also discussed are the problems of caching and of swapping reachable objects to the persistent store in order to make more memory available. It is possible to configure the machine to use different strategies for each of these mechanisms so that comparisions can be made. The machine is able to interface with P JSL, the persistent store being developed for PJama. Applications such as Generalised Search Tree (GiST) indexing of data collections have been run on the machine, as well as traversals from the OO7 benchmark suite. The performance of different machine configurations has been measured. | |
| dc.identifier.apacitation | Tjasink, S. J. (1999). <i>Plava: a persistent, lightweight Java [TM] virtual machine</i>. (). University of Cape Town ,Faculty of Science ,Department of Computer Science. Retrieved from http://hdl.handle.net/11427/42872 | en_ZA |
| dc.identifier.chicagocitation | Tjasink, Stephen Jeremy. <i>"Plava: a persistent, lightweight Java [TM] virtual machine."</i> ., University of Cape Town ,Faculty of Science ,Department of Computer Science, 1999. http://hdl.handle.net/11427/42872 | en_ZA |
| dc.identifier.citation | Tjasink, S.J. 1999. Plava: a persistent, lightweight Java [TM] virtual machine. . University of Cape Town ,Faculty of Science ,Department of Computer Science. http://hdl.handle.net/11427/42872 | en_ZA |
| dc.identifier.ris | TY - Thesis / Dissertation AU - Tjasink, Stephen Jeremy AB - [pg 25,26 missing] This thesis investigates the feasibility of running an orthogonally persistent version of Java [TM] on a "small" machine with limited memory available. Other orthogonally persistent implementations do exist but these are targetted at large data sets and powerful machines. The modification of an existing lightweight Java Virtual Machine (JVM) in order to provide persistence is discussed. It highlights decisions that were made in the areas of memory management, object faulting and update tracking in order to implement these facilities efficiently without using undue amounts of memory. Also discussed are the problems of caching and of swapping reachable objects to the persistent store in order to make more memory available. It is possible to configure the machine to use different strategies for each of these mechanisms so that comparisions can be made. The machine is able to interface with P JSL, the persistent store being developed for PJama. Applications such as Generalised Search Tree (GiST) indexing of data collections have been run on the machine, as well as traversals from the OO7 benchmark suite. The performance of different machine configurations has been measured. DA - 1999 DB - OpenUCT DP - University of Cape Town KW - Computer Science LK - https://open.uct.ac.za PB - University of Cape Town PY - 1999 T1 - Plava: a persistent, lightweight Java [TM] virtual machine TI - Plava: a persistent, lightweight Java [TM] virtual machine UR - http://hdl.handle.net/11427/42872 ER - | en_ZA |
| dc.identifier.uri | http://hdl.handle.net/11427/42872 | |
| dc.identifier.vancouvercitation | Tjasink SJ. Plava: a persistent, lightweight Java [TM] virtual machine. []. University of Cape Town ,Faculty of Science ,Department of Computer Science, 1999 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/42872 | en_ZA |
| dc.language.iso | en | |
| dc.language.rfc3066 | eng | |
| dc.publisher.department | Department of Computer Science | |
| dc.publisher.faculty | Faculty of Science | |
| dc.publisher.institution | University of Cape Town | |
| dc.subject | Computer Science | |
| dc.title | Plava: a persistent, lightweight Java [TM] virtual machine | |
| dc.type | Thesis / Dissertation | |
| dc.type.qualificationlevel | Masters | |
| dc.type.qualificationlevel | MSc |