1. portal
broker
PingER
Replica Mgr
RFT
GridFTP
GateKeeper
Job Mgr
Akenti
PBS
job
HPSS
SRM
To track the job, we need two things to be a standard part of every Grid service:
A “Grid Job ID” metadata element
Grid service lifecycle monitoring
Log an event at START of service
Log an event at the END of the service
Include Grid Job ID in these events

2. Grid Job IDs
Grid jobs, or workflows, have many different stages, e.g., Input data staging, Authentication, Scheduling, Running, and Returning results
Each of these stages uses one or more Grid services, which may be servicing other Grid workflows, or parallel branches of this workflow
Time-correlation of logs may be ambiguous
To track the job, we need two things to be a standard part of every Grid service:
A “Grid Job ID” metadata element
Grid service lifecycle monitoring
Log an event at START of service
Log an event at the END of the service
Include Grid Job ID in these events