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3D Streams Monitor help page

Streams monitor is an web application which provides complex online overview of the Oracle Streams enviroment that is used in the Distributed Deployment of Database(3D) project - part of LCG project.

Monitor pages


Displays basic monitor status about monitored enviroment - number of databases, streams setups and streams processes currently active or disabled

Maps view

Provides streams connections topology of each experiment.

Databases view

Listing of all participating databases with its main metrics

Streams view

Dashboard view of active streams with LCRs flow and processes status

Graphs generator

Generates plots

Error view

Listing of all errors and warining in streans enviroments

Availability view

Displays percentag of database availability during last days

Reports repository view

Provides access to the reports repository directory

Monitored metrics

Capture process
  • Instance nr - number of an instance on which the capture process resides
  • LCRs captured - number of logical change records that have been read by log miner from redo log
  • LCRs enqueued - number of logical change records that have been approved by the capture process (rules) to be replicated and inserted to the queue
  • Capture latency - time between creation of an entry in the redo log and being read by log miner
  • Enqueue latency - time between creation of an entry in the redo log and being enqueued by the capture process
Propagation process
Apply process
Queue status
Instance status
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Topic revision: r3 - 2007-07-06 - ZbigniewBaranowski
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