11g Background Processes
New background processes in 11g. As per Oracle documentation there are 56 new background processes added in 11g release 1
Some Important background Process
MMAN - this process is responsible for ASMM in 10g and AMM in 11g which manages memory allocation to SGA and PGA
RCBG - this background process is responsible for processing data into server result cache
DIAG - In 11g we have a single location for all the trace files, alert log and other diagnostic files. DIAG is the process which performs diagnostic dumps and executes oradebug commands
DIA0 – responsible for hang detection and deadlock resoultion
DBRM – Database resource manager is responsible for setting plans to users and all other database resource management activities
EMNC – Event Monitor Coordinator will coordinate with event management and notification activity
FBDA – Flashback Data Archiver process is responsible for all flashback related actions in 11g database
GEN0 - General task execution process which performs required tasks
SMCo – Space management coordinator executes various space management tasks like space reclaiming, allocation etc. It uses slave processes Wnnn whenever required
VKTM – Virtual keeper of time is responsible for keeping track of the wall-clock time and used as a reference-time counter
New background processes in 11g. As per Oracle documentation there are 56 new background processes added in 11g release 1
Some Important background Process
MMAN - this process is responsible for ASMM in 10g and AMM in 11g which manages memory allocation to SGA and PGA
RCBG - this background process is responsible for processing data into server result cache
DIAG - In 11g we have a single location for all the trace files, alert log and other diagnostic files. DIAG is the process which performs diagnostic dumps and executes oradebug commands
DIA0 – responsible for hang detection and deadlock resoultion
DBRM – Database resource manager is responsible for setting plans to users and all other database resource management activities
EMNC – Event Monitor Coordinator will coordinate with event management and notification activity
FBDA – Flashback Data Archiver process is responsible for all flashback related actions in 11g database
GEN0 - General task execution process which performs required tasks
SMCo – Space management coordinator executes various space management tasks like space reclaiming, allocation etc. It uses slave processes Wnnn whenever required
VKTM – Virtual keeper of time is responsible for keeping track of the wall-clock time and used as a reference-time counter
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