Confluence Admin Certification Practice Test

What is the default memory allocation for the Confluence JVM?

128 MB 256 MB 64 MB 512 MB

Correct Answer:

64 MB

Explanation:

Confluence runs on the Java Virtual Machine, and the memory it can use is set by the Java heap size in the startup configuration. The default shipped heap is 64 MB, meaning the JVM starts with 64 MB allocated for the heap and cannot grow beyond that unless you change the settings. This is enough only for basic tests; in real deployments you’d typically increase this to a much larger amount based on workload, by adjusting the startup script (such as setenv.sh/Windows equivalent) to set larger -Xms and -Xmx values or JAVA_MIN_MEM and JAVA_MAX_MEM. Other larger memory values you might configure, like 128 MB, 256 MB, or 512 MB, are common production configurations but are not the default.

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