Reducing occurrences of two-phase commits in a multi-node...

Details Reducing occurrences of two-phase commits in a multi-node... Reducing occurrences of two-phase commits in a multi-node...

2011-04-05

2011-04-05

Winder, Patrice L (Department: 2452)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

C709S205000

Reexamination Certificate

active

07921220

ABSTRACT:
Techniques are disclosed for reducing the number of two-phase commits required to perform atomic transactions in a multi-node system. By monitoring atomic operations that require two-phase commit protocols, a system may identify when it would be beneficial to consolidate data onto single (or at least fewer) compute node(s). In doing so, a less compute intensive commit protocol, such as a one-phase commit protocol may be used. Moreover, in situations where data consolidation is not available, the data may be migrated to compute nodes having a closer proximity. Thus, in such cases, network response times for two-phase commits required for an atomic operation may be reduced, thereby increasing the performance of a multi-node system.

REFERENCES:
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patent: 7693882 (2010-04-01), Lee et al.
patent: 2002/0087366 (2002-07-01), Collier et al.
patent: 2008/0092139 (2008-04-01), Ruby

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