Tres Seaver <[EMAIL PROTECTED]> writes:

> Andreas Jung wrote:
>> On 23.11.2008 11:57 Uhr, Charlie Clark wrote:
>>> Am 23.11.2008 um 09:24 schrieb Andreas Jung:
>>>
>>>> This issue is independent of the client-side. ab2 and cmf/plone were
>>>> running on the same (fast) machine.
>>>
>>> Is this really content that is suited for the ZODB?
>> 
>> 
>> I am talking of the standard content-types that are available in CMF and 
>> Plone like Document, News etc.
>
> Are you trying to proceess feed content, one document per request?  You
> should be batching up that content, to get better amortization of the
> indexing overhead.
>
> You should also be checking for conflict errors:  they would result in a
> *large* performance hit.

Quick question.  How much of the write concurrency problem comes from
the fact that the ZPublisher retries the entire *request* on
WriteConflict instead of just trying to committing the transaction
again?

Ross

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