EM 12c 修改EMGC_OMS1的 java heap size (JVM大小)

本文详细介绍了 Oracle Enterprise Manager 12c 的配置最佳实践，包括设置 Java 堆内存大小、管理服务器配置、模块参数等关键信息，并提供了在配置过程中遇到的问题排查指南。

参考
https://blogs.oracle.com/EMMAA/entry/java_heap_size_settings_for
Oracle Enterprise Manager 12.1.0.4 Configuration Best Practices (文档 ID 1929586.1)

[oracle@szxcld001 bin]$
[oracle@szxcld001 bin]$ emctl list properties -module emoms
EM Configuration issue. /data01/app/oracle/product/11.2.0.4/db_1/szxcld001.hwc.com_em12c not found.
[oracle@szxcld001 bin]$ ./emctl list properties -module emoms
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
SYSMAN password:
Property Details
Management Server : szxcld001.hwc.com:4889_Management_Service
Module = EMOMS
JAVA_EM_ARGS=
JAVA_EM_MEM_ARGS=
JBO_LAZY_LOAD=true
JBO_MAX_CURSORS=5
JBO_MAX_POOL_SIZE=50
JBO_MIN_POOL_SIZE=1
JBO_POOL_TTL=-1
JBO_RECYC_THRESHOLD=50
OMS_HEAP_MAX=4096M
OMS_HEAP_MIN=4096M
OMS_PERMGEN_MAX=1024M
OMS_PERMGEN_MIN=1024M
emConfigMBeanPort=0
is_admin_server=true
max_target_pooled_connections=4
oracle.sysman.asr.diag_retry_count=3
oracle.sysman.asr.diag_retry_freq=15
oracle.sysman.asr.diagcoll_incident_count_interval=1
oracle.sysman.asr.diagcoll_incident_count_maximum=1
oracle.sysman.asr.dts_base_url=https://transport.oracle.com/v1
....
oracle.sysman.ssa.logon.cloud_tenant_alt_text=null
oracle.sysman.ssa.logon.disclaimer_text=null
oracle.sysman.ssa.logon.show_cloud_provider_brand=false
oracle.sysman.ssa.logon.show_cloud_tenant_brand=false
oracle.sysman.ssa.logon.show_disclaimer_text=false
oracle.sysman.ssa.logon.show_em_branding_text=true
oracle.sysman.ssa.logon.ssa_oms=false
use_pooled_target_connections=false

[oracle@szxcld001 bin]$

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