bugzilla-daemon at main.slony.info bugzilla-daemon at main.slony.info
Mon Dec 6 09:52:30 PST 2010
http://www.slony.info/bugzilla/show_bug.cgi?id=176

           Summary: Cluster Analysis Tool
           Product: Slony-I
           Version: devel
          Platform: All
               URL: http://git.postgresql.org/gitweb?p=slony1-engine.git;a
                    =blob;f=tools/test_slony_state.pl;h=fdc9dcc060229f39a1
                    e1ac8608e33d63054658bf;hb=refs/heads/master
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: core scripts
        AssignedTo: slony1-bugs at lists.slony.info
        ReportedBy: cbbrowne at ca.afilias.info
                CC: slony1-bugs at lists.slony.info
   Estimated Hours: 0.0


There is an existing tool that does some analysis of cluster configuration; see
test_slony_state.pl.

It is desirable to have something that generates diagrams of the relationships
between nodes, capturing:
# Nodes
# Subscription Sets, and the paths they take
# Paths between nodes
# Listen paths

It would be nice for the Subscription Set diagram to include indication of
replication state/lag for each node, indicating things like:
# Event Number
# Events Behind Parent
# Time Behind Parent
# Events Behind Origin
# Time Behind Origin

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