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S2PL are we actually talking about SS2PL?
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mrhe...@gmail.com
Apr 10, 2014, 12:36:19 AM4/10/14
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Strong strict two-phase locking is when we release all our locks after the transaction has completed, while S2PL releases read locks during the transaction and write locks after the transaction completes or aborts.
Khuzaima Daudjee
Apr 10, 2014, 9:06:57 AM4/10/14
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On 2014-04-10, 12:36 AM, mrhe...@gmail.com wrote:
> Strong strict two-phase locking is when we release all our locks after the transaction has completed, while S2PL releases read locks during the transaction and write locks after the transaction completes or aborts.
>
As mentioned in class, the majority of system designers refer to
> Strong strict two-phase locking is when we release all our locks after the transaction has completed, while S2PL releases read locks during the transaction and write locks after the transaction completes or aborts.
>
strict-2PL to mean the rigorous version. This is what you
should also refer to, i.e., strict-2PL (S-2PL) means the version
where no locks are released until commit.
-K
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