Perhaps you can share your code, domain, configuration etc. Otherwise we can't help you.
What you've seeing can have many reasons but what you see is not normal behavior. Michael > Am 21.05.2015 um 00:06 schrieb Jeferson dos Anjos <[email protected]>: > > I have the same problem. With no access to the database, the Neo4j is using > 2GB of Ram and 43% processing. The calls come to take 20 seconds to respond. > > I confess I'm getting very sad with Neo4j, there is always some performance > problem and can not identify how to solve. > > Did you ever solve this problem? > > Hugs > > Em segunda-feira, 21 de abril de 2014 01:22:18 UTC-3, Amit Aggarwal escreveu: > Hello Michael, > > I have upgraded my server to 4GB total RAM and I have allocated minimum 256 > MB and maximum 2GB RAM to neo4j . > But still I got error and today it terminated by saying "JAVA Heap out of > memory". moreover it is not exhausting complete 2 GB ram i saw it using HTOP. > > I dun know why it is happening any suggestion please. > > On Saturday, 19 April 2014 03:30:30 UTC+5:30, Michael Hunger wrote: > In general probably too little, RAM if you only have 2G in total as OS, > FS-Caches and other services also take their share. > > Depends also on what you're doing. > > Perhaps you can share your graph.db/messages.log > > (michael <http://twitter.com/mesirii>)-[:SUPPORTS]->(YOU)-[:USE]->(Neo4j > <http://neo4j.org/>) > Learn Online <http://neo4j.org/learn/online_course>, Offline > <http://www.neo4j.org/events> or Read a Book <http://graphdatabases.com/> (in > Deutsch <http://bit.ly/das-buch>) > We're trading T-shirts for cool Graph Models <http://bit.ly/graphgist> > > On Fri, Apr 18, 2014 at 11:31 PM, Amit Aggarwal <[email protected] <>> > wrote: > Hello, > > I am using neo4j 2.2 commmunity version on ubuntu 12.04 64bit 2 GB RAM > > I saw that after running neo4j for sometime , i got this > > 2013-07-09 12:19:51.933+0000 INFO [org.neo4j]: GC Monitor: Application > threads blocked for an additional 3406ms [total block time: 441.511s] > 2013-07-09 12:20:17.351+0000 INFO [org.neo4j]: GC Monitor: Application > threads blocked for an additional 3143ms [total block time: 444.654s] > 2013-07-09 12:20:20.654+0000 INFO [org.neo4j]: GC Monitor: Application > threads blocked for an additional 3202ms [total block time: 447.856s] > 2013-07-09 12:20:24.281+0000 INFO [org.neo4j]: GC Monitor: Application > threads blocked for an additional 3527ms [total block time: 451.383s] > 2013-07-09 12:20:27.954+0000 INFO [org.neo4j]: GC Monitor: Application > threads blocked for an additional 3573ms [total block time: 454.956s] > 2013-07-09 12:20:31.193+0000 INFO [org.neo4j]: GC Monitor: Application > threads blocked for an additional 3139ms [total block time: 458.095s] > > in message.log > > Whats does it want ?? As of now db has only around 15500 nodes and around > same number of relationships.. > > > Here is my neo4j-wrapper.conf > > > wrapper.java.additional=-Dorg.neo4j.server.properties=conf/neo4j-server.properties > wrapper.java.additional=-Djava.util.logging.config.file=conf/logging.properties > wrapper.java.additional=-Dlog4j.configuration=file:conf/log4j.properties > > #******************************************************************** > # JVM Parameters > #******************************************************************** > > wrapper.java.additional=-XX:+UseConcMarkSweepGC > wrapper.java.additional=-XX:+CMSClassUnloadingEnabled > > # Uncomment the following lines to enable garbage collection logging > #wrapper.java.additional=-Xloggc:data/log/neo4j-gc.log > #wrapper.java.additional=-XX:+PrintGCDetails > #wrapper.java.additional=-XX:+PrintGCDateStamps > #wrapper.java.additional=-XX:+PrintGCApplicationStoppedTime > #wrapper.java.additional=-XX:+PrintPromotionFailure > #wrapper.java.additional=-XX:+PrintTenuringDistribution > > # Uncomment the following lines to enable JVM startup diagnostics > #wrapper.java.additional=-XX:+PrintFlagsFinal > #wrapper.java.additional=-XX:+PrintFlagsInitial > > # Java Heap Size: by default the Java heap size is dynamically > # calculated based on available system resources. > # Uncomment these lines to set specific initial and maximum > # heap size in MB. > wrapper.java.initmemory=256 > wrapper.java.maxmemory=1000 > > #******************************************************************** > # Wrapper settings > #******************************************************************** > # path is relative to the bin dir > wrapper.pidfile=../data/neo4j-server.pid > > #******************************************************************** > # Wrapper Windows NT/2000/XP Service Properties > #******************************************************************** > # WARNING - Do not modify any of these properties when an application > # using this configuration file has been installed as a service. > # Please uninstall the service before modifying this section. The > # service can then be reinstalled. > > # Name of the service > wrapper.name <http://wrapper.name/>=neo4j > > # User account to be used for linux installs. Will default to current > # user if not set. > wrapper.user= > > > > Thanks > Amit Aggarwal > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. > -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
