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2017-02-07
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Hi there, I have a question regarding Starter Edition & Memcached, the documentation on http://docs.datomic.com/caching.html does not seem to be very clear: the first paragraph in the Memcached chapter states: "Memcached is an optional addition to a paid Datomic Pro system,......” while in the second paragraph "This setting will only take effect on transactors configured with a Datomic Pro or Datomic Starter license key,......"
the latter sentence leads me to believe we can use Memcached on starter licenses as well, is this correct?
you can
only free can’t use it
thanks!
Does Datomic have support for counters, like an alternative id that is increased by one for a given new entity, or do I need to implement it myself like this: https://github.com/jcrossley3/datomic-counter/blob/master/src/counter/db.clj
@jwkoelewijn Since version 0.9.5530 Starter has provided HA and memcached. Thanks for catching that - I’ll update the text;
@teng afaik one should use dbfn for that.
no built in stuff atm
Ok, thanks @karol.adamiec.
@marshall cool, thought something like that, but just wanted to be sure, thanks!
A coworker informally mentioned that Datomic’s crashy on his laptop. (Mac: blows up RAM. Debian VM: freezes & leaves a lot of orphaned processes.)
A couple years ago when I used Datomic, I recall it would become slow, IIRC explained in google groups as a sleep issue.
the sleep issue was resolved a while ago I think, according to release notes
Datomic's dev transactor has never crashed on me, on mac or linux
do you have a ton of data?
if you don't have much ram, using -Xmx startup args on both client and server processes is pretty important
@pesterhazy (Sorry for the slow response.) I’m pretty sure my coworker’s using very little data, not nearly enough to stress the 8GB RAM. Asking now for verification...
If no one else has any weirdness running it locally for dev, I’ll try to replicate on my machine...