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2020-01-21

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#datomic
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2020-01-21
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steveb8n06:01:04

Q: I just updated my Mac to Catalina. Now I can’t connect via ssh/socks-proxy to the bastion. Has anybody dealt with this before?

steveb8n07:01:22

nvm: apparently ssh doesn’t like wifi. when I use ethernet, I can connect again

plexus14:01:20

we're converting an on-prem app to cloud, and noticed there's no :db/index. Does that mean there are no AVET indexes available for non-unique attributes?

souenzzo14:01:26

@U07FP7QJ0 AFIK :db/index is enabled for all atributes in cloud

souenzzo14:01:52

And there is some limitations about that (no bytes, no large strings...)

favila14:01:20

correct, everything is V-indexed that can be

plexus15:01:21

oh, great! thanks!

augustl08:01:44

is there a definition of what a "large string" is? And does Datomic do other special things with large strings?

favila11:01:57

4096 characters

favila11:01:06

Longer strings are just rejected

augustl11:01:47

ah, the transaction just aborts?

favila11:01:50

Note this is only datomic cloud. On prem will take any string size (not that it’s a good idea to store large strings in datomic)

dmarjenburgh13:01:29

Large strings are not rejected though. I have transacted string with up to 38000 characters (in testing) and was able to retrieve them without a problem. It might not be a good idea, but it’s not clear what the exact tradeoffs are.

favila13:01:14

This is cloud you are talking about @U05469DKJ? on-prem doesn’t reject

dmarjenburgh13:01:36

I mean datomic cloud, yes

favila13:01:40

the tradeoff is large segment sizes