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#beginners
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2017-01-16
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jiyinyiyong05:01:46

Chrome Canary is warning my js compiled from ClojureScript 😞

mavbozo09:01:10

oracle jdk SE download page provides 2 version: 8u111 and 8u112. which I should download? what oracle jdk even/odd numbered version means? is there any convention?

ejelome09:01:31

I usually just pick the latest, not sure if there's any even/odd criteria when selecting jdk for clojure

ejelome09:01:02

here's the exact jdk I installed and forget anything about it afterwards, no problems encountered so far: jre8-openjdk-headless

mavbozo10:01:02

@ejelome thanks for the answer

sveri10:01:27

@mavbozo In general pick the latest version as it contains the most security patches. If it does not work with clojure it should be a bug in clojure as long as the major version is supported (JDK > 1.6 according to the clojure homepage)

mavbozo10:01:14

@sveri thank you for the suggestion

poooogles16:01:33

QQ on saturating CPU when it comes to core.async and pipelines. I've got a task that I'm fairly sure is CPU limited (deserialising Protobuf/data transformations) and I can't seem to saturate CPU regardless of how many threads I throw at the pipeline. Anyone got any tips ideas on debugging this, I'm currently using about 60% CPU and would like to be at 90%+.

tbaldridge19:01:46

@poooogles pipelines are in-order. So if one item takes a long time to serialize it will hold up the rest of the pipeline. Also buffer sizes on channels can make a huge difference. I normally start at 2x the number of CPUs, that's on both the input and output of the pipeline.

tbaldridge19:01:39

I have other suggestions, but start with the channel buffer sizes.