I have a kube cluster running on n1-highmem-16 (16 vCPUs, 104 GB memory),
using the unmodified cos-stable-60-9592-84-0 image.
I have a java app running under wildfly
<pre>
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: cas-unicas-ws
labels:
name: cas-unicas-ws
model: cas
spec:
replicas: 1
template:
metadata:
labels:
name: cas-unicas-ws
model: cas
spec:
containers:
- name: cas-unicas-ws
image: liaisonintl/cas-unicas-ws:__CAS_TAG__
imagePullPolicy: Always
ports:
- containerPort: 8080
readinessProbe:
periodSeconds: 20
timeoutSeconds: 5
successThreshold: 1
failureThreshold: 3
httpGet:
path: /services/getPdfServiceConfig
port: 8080
resources:
limits:
memory: "10000M"
requests:
memory: "10000M"
env:
- name: JAVA_MEM
value: -Xms9000m -Xmx9000m -XX:+UseG1GC
-XX:+UseStringDeduplication -XX:+AlwaysPreTouch
- name: SPRING_PROFILE
value: __SPRING_PROFILE__
command: ["/bin/bash","-ic"]
args:
- "set -xeo pipefail ; source /interpolate ; exec
/opt/jboss/wildfly/bin/standalone.sh -b 0.0.0.0"
</pre>
Here is the important parts of the dockerFile
<pre>
FROM liaisonintl/docker-cas-base:master
MAINTAINER John VanRyn <REDACTED>
EXPOSE 8080
EXPOSE 9990
LABEL "GITHASH"="__GIT_HASH__"
ENV WILDFLY_HOME /opt/jboss/wildfly
ENV PATH $WILDFLY_HOME/bin:$PATH
ADD *.war ${WILDFLY_HOME}/standalone/deployments/
## App config
#
ADD config/ ${WILDFLY_HOME}/appConfigTemplate/
## Temporary fix just to see things working
ADD config/gen.unicas-ws.docker ${WILDFLY_HOME}/appConfig/unicas-ws.docker
USER root
ENV CAS_CONFIGS ${WILDFLY_HOME}/appConfig
ENV SPRING_PROFILE QA
ENV JAVA_OPTS="${JAVA_OPTS} ${JAVA_MEM} -XX:+UseG1GC
-XX:+UseStringDeduplication -DCAS_CONFIGS=${CAS_CONFIGS}
-Dspring.profiles.active=${SPRING_PROFILE}"
RUN \
mkdir -p $CAS_CONFIGS && \
chmod 777 ${WILDFLY_HOME}/appConfig && \
chmod 777 ${WILDFLY_HOME}/appConfigTemplate && \
/opt/jboss/wildfly/bin/add-user.sh admin REDACTED --silent
# Add REVISION FILE FOR GITHASH Reporting
ADD config/REVISION REVISION
CMD ["/opt/jboss/wildfly/bin/standalone.sh", "-b", "0.0.0.0"]
</pre>
Log looks like this..
<pre>
+ exec /opt/jboss/wildfly/bin/standalone.sh -b 0.0.0.0
JAVA_OPTS already set in environment; overriding default settings with
values: -XX:+UseG1GC -XX:+UseStringDeduplication
-DCAS_CONFIGS=/opt/jboss/wildfly/appConfig -Dspring.profiles.active=QA
-Xms9000m -Xmx9000m -XX:+UseG1GC -XX:+UseStringDeduplication
-XX:+AlwaysPreTouch -XX:+UseG1GC -XX:+UseStringDeduplication
=========================================================================
JBoss Bootstrap Environment
JBOSS_HOME: /opt/jboss/wildfly
JAVA: /usr/lib/jvm/java/bin/java
JAVA_OPTS: -server -XX:+UseCompressedOops -server
-XX:+UseCompressedOops -XX:+UseG1GC -XX:+UseStringDeduplication
-DCAS_CONFIGS=/opt/jboss/wildfly/appConfig -Dspring.profiles.active=QA
-Xms9000m -Xmx9000m -XX:+UseG1GC -XX:+UseStringDeduplication
-XX:+AlwaysPreTouch -XX:+UseG1GC -XX:+UseStringDeduplication
=========================================================================
11:28:24,386 INFO [org.jboss.modules] (main) JBoss Modules version
1.3.3.Final
11:28:24,539 INFO [org.jboss.msc] (main) JBoss MSC version 1.2.2.Final
11:28:24,602 INFO [org.jboss.as] (MSC service thread 1-6) JBAS015899:
WildFly 8.2.1.Final "Tweek" starting
11:28:25,430 INFO [org.jboss.as.controller.management-deprecated]
(Controller Boot Thread) JBAS014627: Attribute any-ipv4-address is
deprecated, and it might be removed in future version!
11:28:25,479 INFO [org.jboss.as.server] (Controller Boot Thread)
JBAS015888: Creating http management service using socket-binding
(management-http)
11:28:25,498 INFO [org.xnio] (MSC service thread 1-10) XNIO version
3.3.0.Final
11:28:25,510 INFO [org.xnio.nio] (MSC service thread 1-10) XNIO NIO
Implementation Version 3.3.0.Final
11:28:25,534 INFO [org.jboss.as.clustering.infinispan] (ServerService
Thread Pool -- 32) JBAS010280: Activating Infinispan subsystem.
11:28:25,542 WARN [org.jboss.as.txn] (ServerService Thread Pool -- 46)
JBAS010153: Node identifier property is set to the default value. Please
make sure it is unique.
11:28:25,546 INFO [org.jboss.as.security] (ServerService Thread Pool --
45) JBAS013171: Activating Security Subsystem
11:28:25,551 INFO [org.jboss.as.naming] (ServerService Thread Pool -- 40)
JBAS011800: Activating Naming Subsystem
11:28:25,553 INFO [org.jboss.as.jsf] (ServerService Thread Pool -- 38)
JBAS012615: Activated the following JSF Implementations: [main]
11:28:25,564 INFO [org.jboss.as.connector.logging] (MSC service thread
1-8) JBAS010408: Starting JCA Subsystem (IronJacamar 1.1.9.Final)
11:28:25,564 INFO [org.jboss.as.security] (MSC service thread 1-7)
JBAS013170: Current PicketBox version=4.0.21.Final
11:28:25,578 INFO [org.jboss.as.webservices] (ServerService Thread Pool --
48) JBAS015537: Activating WebServices Extension
11:28:25,587 INFO [org.wildfly.extension.io] (ServerService Thread Pool --
31) WFLYIO001: Worker 'default' has auto-configured to 16 core threads with
128 task threads based on your 8 available processors
11:28:25,594 INFO [org.jboss.as.connector.subsystems.datasources]
(ServerService Thread Pool -- 27) JBAS010403: Deploying JDBC-compliant
driver class org.h2.Driver (version 1.3)
11:28:25,597 INFO [org.jboss.as.connector.deployers.jdbc] (MSC service
thread 1-14) JBAS010417: Started Driver service with driver-name = h2
11:28:25,599 INFO [org.wildfly.extension.undertow] (MSC service thread
1-16) JBAS017502: Undertow 1.1.8.Final starting
11:28:25,599 INFO [org.wildfly.extension.undertow] (ServerService Thread
Pool -- 47) JBAS017502: Undertow 1.1.8.Final starting
11:28:25,639 INFO [org.jboss.as.naming] (MSC service thread 1-14)
JBAS011802: Starting Naming Service
11:28:25,639 INFO [org.jboss.as.mail.extension] (MSC service thread 1-16)
JBAS015400: Bound mail session [java:jboss/mail/Default]
11:28:25,677 INFO [org.jboss.remoting] (MSC service thread 1-10) JBoss
Remoting version 4.0.7.Final
11:28:25,852 INFO [org.wildfly.extension.undertow] (ServerService Thread
Pool -- 47) JBAS017527: Creating file handler for path
/opt/jboss/wildfly/welcome-content
11:28:25,857 INFO [org.wildfly.extension.undertow] (MSC service thread
1-5) JBAS017525: Started server default-server.
11:28:25,882 INFO [org.wildfly.extension.undertow] (MSC service thread
1-13) JBAS017531: Host default-host starting
11:28:25,939 INFO [org.wildfly.extension.undertow] (MSC service thread
1-5) JBAS017519: Undertow HTTP listener default listening on /0.0.0.0:8080
/opt/jboss/wildfly/bin/standalone.sh: line 326: 113 Killed
"/usr/lib/jvm/java/bin/java" -D"[Standalone]" -server
-XX:+UseCompressedOops -server -XX:+UseCompressedOops -XX:+UseG1GC
-XX:+UseStringDeduplication -DCAS_CONFIGS=/opt/jboss/wildfly/appConfig
-Dspring.profiles.active=QA -Xms9000m -Xmx9000m -XX:+UseG1GC
-XX:+UseStringDeduplication -XX:+AlwaysPreTouch -XX:+UseG1GC
-XX:+UseStringDeduplication
"-Dorg.jboss.boot.log.file=/opt/jboss/wildfly/standalone/log/server.log"
"-Dlogging.configuration=file:/opt/jboss/wildfly/standalone/configuration/logging.properties"
-jar "/opt/jboss/wildfly/jboss-modules.jar" -mp
"/opt/jboss/wildfly/modules" org.jboss.as.standalone
-Djboss.home.dir="/opt/jboss/wildfly"
-Djboss.server.base.dir="/opt/jboss/wildfly/standalone" '-b' '0.0.0.0'
</pre>
Thought maybe it was code... but the same war is running on a VM just fine
sharing it's jvm with other apps..
I believe it's kube that is killing the container... but how to figure it
out.... any advice would be appreciated...
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