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MRS-operation-guide-lts/doc/component-operation-guide/source/using_flink/flink_configuration_management/environment.rst
proposalbot 3ccfbdc0f0 Changes to mrs_operation-guide from docs/doc-exports#475 (MRS component operatio 
Reviewed-by: Kacur, Michal <michal.kacur@t-systems.com>
Co-authored-by: proposalbot <proposalbot@otc-service.com>
Co-committed-by: proposalbot <proposalbot@otc-service.com>
2022-12-09 14:50:38 +00:00

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Environment

Scenario

In scenarios raising special requirements on JVM configuration, users can use configuration items to transfer JVM parameters to the client, JobManager, and TaskManager.

Configuration

Configuration items include JVM parameters.

Table 1 Parameter description
Parameter Description Default Value Mandatory
env.java.opts JVM parameter, which is transferred to the startup script, JobManager, TaskManager, and Yarn client. For example, transfer remote debugging parameters. -Xloggc:<LOG_DIR>/gc.log -XX:+PrintGCDetails -XX:-OmitStackTraceInFastThrow -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=20 -XX:GCLogFileSize=20M -Djdk.tls.ephemeralDHKeySize=2048 -Djava.library.path=${HADOOP_COMMON_HOME}/lib/native -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv6Addresses=false -Dbeetle.application.home.path=$BIGDATA_HOME/common/runtime/security/config No