https://bugzilla.wikimedia.org/show_bug.cgi?id=68507
Bug ID: 68507
Summary: replication lag may affect recurrent reports
Product: Analytics
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Wikimetrics
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected]
Web browser: ---
Mobile Platform: ---
If labsdb has replication lag (which I'm not 100% sure is possible), then
recurrent reports might not see all the data for a given day when they run.
That means that data would go missing from any run, because reports use
database timestamps and recurrent report runs use actual time. Example:
* day X starts
* edit 1
* edit 2
* replication lag means the rest of day X is not on labsdb yet
* edit 3
* day X ends
* recurrent report runs for day X, gets data from labsdb, and doesn't see edit
3.
...
* recurrent report runs for day X+1 and the timestamp range filter means it
doesn't see edit 3.
result: day X edit totals are off and never corrected.
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