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Re: Comments on Partial Locking -01



Martin Bjorklund wrote:
Hi,

"WIJNEN, Bert (Bert)" <bwijnen@alcatel-lucent.com> wrote:
A more compelling erason for me is: KISS
i.e. no overlaping locks. Period.

Simple for who?  I would argue that it's not necessarily simpler on
the agent implementation, and maybe even more difficult on the manager
implementation (see my earlier posting in this thread.)


IMO, it is simpler for the agent implementer to tag each
locked node with just one lock-id, but is not much harder
to use a Q of lock-id structs, just a lot more memory.

Tool implementation is not the key factor.
(That interoperability thing again!)

IMO over-lapping locks are OK if they can be easily implemented
with the same behavior, and the partial-lock monitoring is
complete enough to tell exactly what is locked by each lock-id.


/martin


Andy

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