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#datomic
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2019-04-29
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Keith Harper13:04:00

Is there any noticeable performance cost associated with using query rules vs. building the rules into the where clause?

marcol17:04:54

How do I get the next chunk when using the async api? Whenever a take is made on the channel, the channel is then closed so I can't take again. Is this how to get the next chunk, through a succession of takes?

marcol17:04:00

I had to add the :limit option in order for it to not close the channel, although I am now getting an error of :cognitect.anomalies/unavailable ... Specified iterator was dropped, what does that mean and can I do something about it?

marshall19:04:51

@dogenpunk generally, yes, as we recommend you split your stack into independent storage and compute stacks as part of your first upgrade: https://docs.datomic.com/cloud/operation/upgrading.html

dogenpunk19:04:45

Ok, so if I have a nested Storage and Compute stack, then I haven’t upgraded it previously?

marshall19:04:56

most likely that is the case, yes

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