EnvironmentAtlassian Confluence 6.12.0 mysql Ver 15.1 Distrib 5.5.60-MariaDBopenjdk version "1.8.0_181"Parameter/data/atlassian/confluence/jre//bin/java -Djava.util.logging.config.file=/data/atlassian/confluence/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -Dorg.apache.catalina.security.SecurityListener.UMASK=0027 -XX:ReservedCodeCacheSize=256m -XX:+UseCodeCacheFlushing -Dconfluence.context.path=/confluence -Datlassian.plugins.startup.options= -Dorg.apache.tomcat.websocket.DEFAULT_BUFFER_SIZE=32768 -Dsynchrony.enable.xhr.fallback=true -Xms1024m -Xmx1024m -XX:+UseG1GC -Datlassian.plugins.enable.wait=300 -Djava.awt.headless=true -XX:G1ReservePercent=20 -Xloggc:/data/atlassian/confluence/logs/gc-2020-07-10_08-40-18.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=2M -XX:-PrintGCDetails -XX:+PrintGCDateStamps -XX:-PrintTenuringDistribution -Dignore.endorsed.dirs= -classpath /data/atlassian/confluence/bin/bootstrap.jar:/data/atlassian/confluence/bin/tomcat-juli.jar -Dcatalina.base=/data/atlassian/confluence -Dcatalina.home=/data/atlassian/confluence -Djava.io.tmpdir=/data/atlassian/confluence/temp org.apache.catalina.startup.Bootstrap startResult after 7 hourscatalina.2020-07-01.log:01-Jul-2020 02:27:15.823 SEVERE [http-nio-8090-exec-1] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [dispatcher] in context with path [/synchrony-proxy] threw exception [Handler processing failed; nested exception is java.lang.OutOfMemoryError: Java heap space] with root causejava.lang.OutOfMemoryError: Java heap spaceat java.util.LinkedHashMap.newNode(LinkedHashMap.java:256)at java.util.HashMap.putVal(HashMap.java:631)at java.util.HashMap.put(HashMap.java:612)
If you are seeing some performance issues or slowness. The first thing I would do is check the current maximum heap allocation on your instance lets say its 1GB, it is possible that you are simply running out of memory to perform the tasks that need to be performed on it. If you think that this is the case, a possible resolution step would be to increase the heap allocation on the JVM, so increase the -XX:MaxPermSize parameter in 256mb increments until the error stops occurring.Here are some helpful Resources:Server Hardware Requirements GuideMemory Usage and RequirementsManaging Application Server Memory SettingsHow to analyze thread dumps
Will try tonight (/data/atlassian/confluence/bin/setenv.sh):old: CATALINA_OPTS="-Xms1024m -Xmx1024m -XX:+UseG1GC ${CATALINA_OPTS}"new: CATALINA_OPTS="-Xms1024m -Xmx1280m -XX:+UseG1GC ${CATALINA_OPTS}"
Nice! Let us know how it goes.
You can ignore those Warnings for now @Axel Endler, glad to hear that it's performing better now.
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