I have a few dozen marathon and spark jobs I would like to use constraints with
across my slaves but I can never get this to work at all using the latest
release 0.25.1
I have the following set on a few of my slaves.
slaves[1-5]
$ cat /etc/mesos-slave/attributes
'rack:1;zone:us-west-2c;owner:spark'
slaves[6-10]
$ cat /etc/mesos-slave/attributes
‘rack:2;zone:us-west-2a;owner:microservices'
I have the following marathon job definition no matter what I do I can never
get constraints to work other than the basic ones like hostname:UNIQUE or
hostname:CLUSTER:codename
What could I be doing wrong? The job tries to deploy but stays in waiting mode
forever.
{
"id": “mu-xxxx-service",
"cmd": "env && /opt/orchard/xxxx-xxxx-server/bin/run_jar.sh",
"cpus": 1.0,
"mem": 4096,
"disk": 100,
"instances": 2,
"constraints": [
[
"rack",
"LIKE",
“2",
"UNIQUE"
]
],
"maxLaunchDelaySeconds": 1,
"backoffFactor": 1.20,
"healthChecks": [
{
"gracePeriodSeconds": 3,
"intervalSeconds": 10,
"maxConsecutiveFailures": 3,
"portIndex": 0,
"protocol": "TCP",
"timeoutSeconds": 5
}
],
"ports": [
0,
0
],
"upgradeStrategy": {
"minimumHealthCapacity": 0.5,
"maximumOverCapacity": 0.5
}
}
I’ve also tried running spark jobs like this
timeout 3600 /opt/spark-1.4.1-bin-hadoop2.4/bin/spark-submit --conf
spark.mesos.constraints="rack:1"
Jobs still get executed on all slaves.
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Rodrick Brown / DevOPs Engineer
+1 917 445 6839 / [email protected]
<mailto:[email protected]>
Orchard Platform
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