| A. Papathanasiou and E. P. Markatos, Lightweight transactions on Networks of Workstations, in Proc. 18-th Int. Conf. on Distr. Comp. Syst., 1998, pp. 544--553. |
....setup, reports and analyzes the results obtained and, finally, sec tion 5 summarizes our contributions and sketches future work. 2 Related Work From the vast amount of existing work regarding transactional services, TREG provides services similar to those of RVM [2] Rio Vista [4] and PERSEAS [5]. All of these transactional libraries, including TREG, provide recoverable virtual memory regions with transactional guarantees of atomicity and persistence. However, they widely differ in dependability, complexity, performance and portability. 2.1 RVM RVM is a recoverable virtual memory ....
....that issues reads and writes for file system access, Rio Vista uses a memory mapped interface, further improving performance by reducing the number and overhead of system calls. 2. 3 PERSEAS PERSEAS is another recoverable virtual memory implementation for a distributed system linked by a SCI bus [5]. It uses unexploited memory of idle workstations to provide reliable storage. Each memory region is backed by equivalent RAM memory areas at one or more remote nodes. Three basic functions are used to manage memory: alloc a remote main memory area and map it onto the calling process virtual ....
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A. E. Papathanasiou and E. P. Markatos, "Lightweight transactions on networks of workstations," in Proceedings of the International Conference on Distributed Computing Systems, May 1998.
....Checkpointing and log and replay [10] are the two main techniques for reconstructing the state of a failed process. Checkpointing has been used for many years [6, 26] and in many systems [31, 25, 29, 17] In this paper, we checkpoint to remote memory for fast failover. PERSEAS is another work [28] similar to our study. It is a transaction library based on reliable main memory provided by mirroring the data at the remote memory. It di ers from our work because it does not support failover of process state. It only guarantees that the database won t be lost when the machine crashes. ....
A. E. Papathanasiou and E. P. Markatos. Lightweight Transactions on Networks of Workstations. In ICDCS'98.
....in outcome to their use of a much slower processor (66Mhz Pentium vs. 600Mhz Alpha) while the networks are comparable in bandwidth. Shrimp also snoops on the memory bus, and therefore does not require double writing, which may be another factor affecting the results. Papathanasiou and Markatos [7] study the use of remote memory to backup transaction processing. Although they do not use Vista, their standalone implementation appears similar, and the primary backup implementation uses write through of the data structures of the primary. Their implementation uses 133Mhz Pentium processors ....
A. Papathanasiou and E. Markatos. Lightweight transactions on networks of workstations. In Proceedings of the 18th International Conference on Distributed Computing Systems, 1998.
....between the memory controllers of two computers, and to connect disks to both I O controllers (Fig. 3a) This provides low bandwidth access to the data in memory while rebooting or during hardware failures. A more expensive solution is to eagerly replicate the file cache data on a remote computer [Papathanasiou97] using a high speed network such as Memory Channel [Gillett96] Scalable Coherent Interface [Scott92] or a LAN (Fig. 3b) This provides higher availability if one machine is permanently disabled. The goal of this paper is to explore how to use the Rio file cache to provide reliable memory for ....
Papathanasiou A, Markatos EP (1997) Lightweight Transactions on Networks of Workstations. Technical Report Technical Report No. 209, ICS-FORTH
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A. Papathanasiou and E. P. Markatos, Lightweight transactions on Networks of Workstations, in Proc. 18-th Int. Conf. on Distr. Comp. Syst., 1998, pp. 544--553.
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