How do I configure init and max java heap when running bin/neo4j-backup

When running $NEO4J_HOME/bin/neo4j-backup if a Java out of heap/memory error occurs you may want define the init and max Java heap to be used by neo4j-backup. The default behavior is to allow the JVM to define the init and max… Read more →

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java.lang.OutOfMemoryError: unable to create new native thread

When a client application establishes a session with a Neo4j server via the bolt or bolt+routing protocols, the server allocates a thread to serve as the server-side bolt worker to handle that connection. There is no server-side limitation on the… Read more →

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Analyzing a java heap dump

The purpose of this article is to help you go through the acquired heapdump with Eclipse MAT. It covers how to parse a large heap files and what to look for. When you experience an OutOfMemory exception, it will produce… Read more →

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Linux Out of Memory killer

The Out Of Memory Killer or OOM Killer is a process that the linux kernel employs when the system is critically low on memory. This situation occurs because the linux kernel has over allocated memory to its processes. When a… Read more →

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