May 2024
Intermediate to advanced
325 pages
12h 2m
English
Content preview from Distributed Database Systems, 1st Edition by Chhanda Ray
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Distributed Recovery Management
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161
The reconstruction is relatively easier if global checkpoints are available. First, at the failed site
the latest local checkpoint that can be consider as safe is determined, and this determines which
earlier global state has to be reconstructed. Then all other sites are requested to re-establish the
local states of the corresponding local checkpoints. The main diffi culty with this approach is the
recording of global checkpoints.
10.5 Distributed Recovery Protocols
The recovery in a distributed DBMS is more complicated than in a centralized DBMS, as it requires
ensuring the atomicity of global transactions ...
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