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Adjust integration test configurations - #5549

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b-slim merged 1 commit into
apache:masterfrom
clintropolis:this-will-fix-it
Mar 29, 2018
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b-slim merged 1 commit into
apache:masterfrom
clintropolis:this-will-fix-it

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@clintropolis

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Integration tests seem to be failing quite often lately, this is an attempt to reduce footprint of docker containers and hopefully help success rate. This is suspected to be an issue of some sort of resource starvation by the rate which we see zk session timeout messages in logs

2018-03-28T12:29:22,123 WARN [main-SendThread(172.17.0.1:2181)] org.apache.zookeeper.ClientCnxn - Client session timed out, have not heard from server in 20077ms for sessionid 0x1626c8f101f0007

found by picking a failing PR at random, as well as other various sorts of timeout messages.

This is likely more CPU driven than memory, given docs on travis build environment, but I was also able to reproduce these types of log messages by running docker engine with a low total memory allocation in my local environment. If reducing jvm memory alone does not appear to help in travis environment, we could investigate limits on docker containers themselves.

We should also ensure that integration tests pass multiple times on this PR before merging.

@jihoonson jihoonson left a comment

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LGTM

@b-slim
b-slim merged commit 81be1b3 into apache:master Mar 29, 2018
@clintropolis
clintropolis deleted the this-will-fix-it branch March 30, 2018 20:19
@dclim dclim added this to the 0.13.0 milestone Oct 8, 2018
riovic918data pushed a commit to riovic918data/druid that referenced this pull request Jun 12, 2026
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4 participants