[infinispan-issues] [JBoss JIRA] (ISPN-3159) Implementing SERIALIZABLE isolation level based on GMU

[Pedro Ruivo (JIRA)]

Pedro Ruivo created ISPN-3159:
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             Summary: Implementing SERIALIZABLE isolation level based on GMU
                 Key: ISPN-3159
                 URL: https://issues.jboss.org/browse/ISPN-3159
             Project: Infinispan
          Issue Type: Feature Request
          Components: Transactions
            Reporter: Pedro Ruivo
            Assignee: Pedro Ruivo
             Fix For: 6.0.0.Alpha1, 6.0.0.Final


Implementation based in GMU, a Cloud-TM project research (www.cloudtm.eu).

GMU is a muti-version scheme that provides Update Serializability. It allows the read-only transaction to proceed without blocking, but they can observe an old value (but always a consistent value). 

This scheme relies in Vector Clock to manage the snapshots to read and the transaction dependencies in each node in the cluster.

Also, it is a genuine scheme, i.e., only the nodes involved in the transaction (that contains data read or write) are involved in the transaction commit.

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