[jbosscache-dev] REPEATABLE_READ and write skews
Manik Surtani
manik at jboss.org
Wed Jul 16 04:19:33 EDT 2008
Ah, there's the disconnect - I've called the cfg option:
# if true, allows any write skews detected to proceed without
throwing an exception
allowWriteSkew = true
But I think that can be confusing - writeSkewCheck is better.
On 16 Jul 2008, at 02:31, Jason T. Greene wrote:
> Right, what I meant was:
>
> # Prevents writes to a node that changed after it was read
> write-skew-checking = false
>
> Manik Surtani wrote:
>> I'm guessing you mean allow write skews by default, rather than
>> throw an exception when they are detected?
>> On 15 Jul 2008, at 23:14, Jason T. Greene wrote:
>>> IMO we should default it to off, since enabling it is a step
>>> closer to SERIALIZABLE. Having it off still offers greater
>>> isolation than most dbs, which are all read committed essentially.
>>>
>>> Manik Surtani wrote:
>>>> Should write skews be allowed by default? This would be less
>>>> correct, but less likely for exceptions being thrown due to
>>>> concurrent read-then-write patterns.
>>>> What do you guys think?
>>>> - Manik
>>>> --
>>>> Manik Surtani
>>>> Lead, JBoss Cache
>>>> manik at jboss.org
>>>> _______________________________________________
>>>> jbosscache-dev mailing list
>>>> jbosscache-dev at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/jbosscache-dev
>>>
>> --
>> Manik Surtani
>> Lead, JBoss Cache
>> manik at jboss.org
>
--
Manik Surtani
Lead, JBoss Cache
manik at jboss.org
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