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#datomic
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2016-03-17
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kahunamoore04:03:29

Is it possible to save the queries created in the Datomic Console into the browser's Local Storage (on a per-db/uri basis)? I searched the docs and this ML but found no mentions of it.

Ben Kamphaus04:03:53

Not at present.

wei05:03:13

@marshall late to respond but thanks for your solution to sample-query last week. worked perfectly

isaac10:03:04

I got this error when I try to connect to remote transactor:

HornetQNotConnectedException HQ119007: Cannot connect to server(s). Tried with all available servers.  org.hornetq.core.client.impl.ServerLocatorImpl.createSessionFactory (ServerLocatorImpl.java:906)

isaac10:03:30

I can use telnet connect those 3 ports — I opened(20177,20178,20179)

isaac11:03:37

I use Dotomic in dev mode

matthavener14:03:11

isaac: using datomic free?

harold17:03:48

@bkamphaus: Are you in CO?

harold17:03:31

We are doing sweet machine-learning in Boulder on top of Datomic (❤️) and would love to chat.

Ben Kamphaus17:03:30

@harold: yep, I’m in Longmont. Went to one of the Clojure meetups that Jeff and Jon organized. Happy to chat with you guys about how you’re using Datomic.

harold17:03:48

Radical! We'll be doing more meetups for sure.

akiel18:03:42

In my peer, I have a ObjectCache hit ratio of 1 and no reported StorageGetBytes. But I see access to my Riak storage. Is that normal?

Ben Kamphaus18:03:52

I would expect some access — peers read active transactor heartbeat from storage, also the transactor notifies peers of newly written data that needs to be read into memory index on peer.

akiel18:03:44

But the access correlates with my load test. I have nearly no storage access during no load.

akiel19:03:56

@bkamphaus: Sorry it was another process accessing the Riak cluster which is triggered by the same load test. I have no storage access from Datomic itself.

Ben Kamphaus19:03:19

ah, ok, makes sense.

akiel19:03:10

yes my oAuth tokens are also stored there...

wei20:03:50

@harold are you using any of the open source ML tools, or your own stack?

ljosa22:03:32

I got a ProvisionedThroughputExceededException while restoring a database to an underprovisioned DynamoDB store. Will the transactor and peers back off and retry instead of dying if DynamoDB's read or write capacity is exceeded?

Ben Kamphaus22:03:49

to some extent, Datomic will respond to throttling (and metrics like StoragePutBackoffMsec or StorageGetBackoffMsec will be reported), but it is possible that it throttling is too severe that a transactor will fail to heartbeat and fall over, for example.

ljosa22:03:05

that makes sense.

ljosa22:03:27

Are the transactor and peers resilient to memcached dying as long as the hostname of the memcached server resolves when the transactor or peer starts?