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List of Figures
Overview of Transaction Management 8
Passive Transaction Management
3 other sections not shown
abort message access log acknowledgment active transactions architecture assume B-tree broadcast bubble memory business database cc node commit or abort commit phase concurrency control algorithms conflict analysis conflict information conflict rate constraints crash data records data servers delay dependency graph detected disk distributed algorithm distributed concurrency control distributed non-locking distributed two-phase commit Ether Ethernet example Figure increase Kevin Wilkinson load locking scheme log file log records log writes message overhead node and data non-locking algorithm Non-Locking Concurrency Control number of active number of user passive concurrency control passive locking algorithm passive non-locking passive scheme performance permission to commit primary memory problem processor queue read and write read phase read request reader readset rec.writer recovery protocol restrictions rithms sactions sages serializability T2 read termination message timeout timestamp tion Transaction Execution transaction terminates transaction Tl two-phase commit protocol user nodes variables wait write locks write request writeset