My Oracle Support Banner

High CPU Consumption Caused By Oraagent.bin on multiple database environment (Doc ID 2385803.1)

Last updated on FEBRUARY 25, 2019

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

With multiple database instances running of different versions ,oraagent.bin consuming high amount of CPU.

We need to identify thread of oraagent.bin which is consuming high CPU.

 

-------------------------------- lwpid : 627683 -------------------------------

0: c00000000003a230 : short() + 0x30 (/usr/lib/hpux64/librt.so.1)
1: c00000000025dba0 : __vp_yield() + 0x40 (/usr/lib/hpux64/libpthread.so.1)
2: c00000000027a700 : __spin_lock_spin() + 0x210 (/usr/lib/hpux64/libpthread.so.1)
3: c000000000268270 : pthread_mutex_init() + 0x130 (/usr/lib/hpux64/libpthread.so.1)
4: c00000000066e540 : __libc_mutex_alloc() + 0x100 (/usr/lib/hpux64/libc.so.1)
5: c000000000788130 : _HPMutexWrapper::init()() + 0x90 (/usr/lib/hpux64/libstd_v2.so.1)
6: 40000000005b3ed0 : std::basic_stringbuf<char,std::char_traits<char>,std::allocator<char> >::basic_stringbuf(int)(complete)() at /usr/local/packages/compiler_remote/ansicA.06.20_aCC.A.06.20/opt/aCC/include_std/rw/stdmutex.h:366
7: 40000000005b70e0 : std::basic_stringstream<char,std::char_traits<char>,std::allocator<char> >::basic_stringstream(int)(base)() at /usr/local/packages/compiler_remote/ansicA.06.20_aCC.A.06.20/opt/aCC/include_std/sstream:265
8: 40000000017dea00 : cls::TimerModule::Personality::handleMsgSubmit(cls::Message*)() at framework/clsTimerModule.cpp:249
9: 40000000018a85a0 : cls::ThreadModel::submitNewMsg(cls::Message*)() at framework/clsThreadModel.cpp:189
10: 4000000001a30950 : cls::M2M::processRequestMsg(cls::Message*,cls::ProcessAddress const&)() at framework/clsM2M.cpp:629
11: 4000000001a2fa10 : cls::M2M::processTasks()() at framework/clsM2M.cpp:540
12: 4000000001a5dde0 : cls::M2M::doWork()() at framework/clsM2M.cpp:2026
13: 4000000001808260 : cls::FrameworkManager::doWork()() at framework/clsFrameworkManager.cpp:357
14: 400000000159a680 : cls_agfw::Main::startAgfw()() at /usr/local/packages/compiler_remote/ansicA.06.20_aCC.A.06.20/opt/aCC/include_std/string:997
15: 4000000001585370 : char() at clsAgfwInterface.cpp:576
16: 400000000057e660 : oraagentmain(int,unsigned char**)() at clsnOraAgent.cpp:360
17: c0000000154be450 : char() at clsb.c:435
18: 400000000057ca60 : unsigned long() at s0clsnAgentMain.cpp:141
19: c00000000006fbd0 : unsigned long() + 0x50 (/usr/lib/hpux64/dld.so)

 

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.