[大数据]Flink实战问题（五）：TaskManager memory configuration failed: Derived JVM Overhead size

? ? ? flink 运行任务突然报错，org.apache.flink.configuration.IllegalConfigurationException: TaskManager memory configuration failed: Derived JVM Overhead size (2.500gb (2684354560 bytes)) is not in configured JVM Overhead range [192.000mb (201326592 bytes), 1024.000mb (1073741824 bytes)]

org.apache.flink.configuration.IllegalConfigurationException: TaskManager memory configuration failed: Derived JVM Overhead size (2.500gb (2684354560 bytes)) is not in configured JVM Overhead range [192.000mb (201326592 bytes), 1024.000mb (1073741824 bytes)].
        at org.apache.flink.runtime.clusterframework.TaskExecutorProcessUtils.processSpecFromConfig(TaskExecutorProcessUtils.java:163)
        at org.apache.flink.client.deployment.AbstractContainerizedClusterClientFactory.getClusterSpecification(AbstractContainerizedClusterClientFactory.java:49)
        at org.apache.flink.client.deployment.application.cli.ApplicationClusterDeployer.run(ApplicationClusterDeployer.java:65)
        at org.apache.flink.client.cli.CliFrontend.runApplication(CliFrontend.java:213)
        at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1057)
        at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1911)
        at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
        at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132)
Caused by: org.apache.flink.configuration.IllegalConfigurationException: Derived JVM Overhead size (2.500gb (2684354560 bytes)) is not in configured JVM Overhead range [192.000mb (201326592 bytes), 1024.000mb (1073741824 bytes)].
        at org.apache.flink.runtime.util.config.memory.ProcessMemoryUtils.sanityCheckJvmOverhead(ProcessMemoryUtils.java:223)
        at org.apache.flink.runtime.util.config.memory.ProcessMemoryUtils.deriveJvmOverheadFromTotalFlinkMemoryAndOtherComponents(ProcessMemoryUtils.java:205)
        at org.apache.flink.runtime.util.config.memory.ProcessMemoryUtils.deriveJvmMetaspaceAndOverheadFromTotalFlinkMemory(ProcessMemoryUtils.java:172)
        at org.apache.flink.runtime.util.config.memory.ProcessMemoryUtils.deriveProcessSpecWithTotalFlinkMemory(ProcessMemoryUtils.java:105)
        at org.apache.flink.runtime.util.config.memory.ProcessMemoryUtils.memoryProcessSpecFromConfig(ProcessMemoryUtils.java:80)
        at org.apache.flink.runtime.clusterframework.TaskExecutorProcessUtils.processSpecFromConfig(TaskExecutorProcessUtils.java:160)
        ... 10 more

? ?运行参数有配置-Dtaskmanager.memory.process.size 进程内存大小，报错不在范围内，排查参数发现在conf/flink-conf.xml 配置文件里面有 taskmanager.memory.flink.size这个参数

结论：进程总内存和 Flink 总内存冲突，去掉Flink 总内存，就正常运行起来（Flink(八)：Flink 进程内存、总内存内存简介_zhengcongyi的博客-CSDN博客）