`moose.Streamer` subtle bug : Reads garbage value when moose.Table2 tick is set to more than 1 seconds

[dilawar]

When moose.Table2 tick is left to default ( 1 seconds ), streamer class works fine. But when moose.Table2 clock is set to 2, 5, or 10 seconds, streamer dumps 0 values for most Pools. To make matter worse, some pools values are correct.

Deafult Tick for streamer is 10 seconds.

[dilawar]

Setting Streamer tick to >=10 times the moose.Table2 tick value fixes the issue.

Probably the order of msg execution is such that moose.Streamer ticks before moose.Table2 ticks. That may cause problem is less than 2 elements are stored in Streamer before Tables the flushed out.

In any case, the purpose of Streamer is to data for very large simulation. It is reasonable to fix it dt to 100 times the dt of added moose.Table. At reinit, the value of dt of moose.Streamer is fixed to 100 times the clock tick or 10 seconds whichever is higher. 10 seconds is good value if moose.Table (dt = 1e-4) are added to Streamer.

[upibhalla]

The order of execution of Ticks is the same as their numerical value. 0
executes first. If moose.Streamer is to be invoked later it should have
a higher Tick value by default.
-- Upi

On Wednesday 22 June 2016 10:39 AM, Dilawar Singh wrote:

Setting Streamer tick to >=10 times the moose.Table2 tick value fixes
the issue.

Probably the order of msg execution is such that |moose.Streamer|
ticks before |moose.Table2| ticks. That may cause problem is less than
2 elements are stored in Streamer before Tables the flushed out.

In any case, the purpose of Streamer is to data for very large
simulation. It is reasonable to fix it dt to 100 times the dt of added
|moose.Table|. At reinit, the value of dt of |moose.Streamer| is fixed
to 100 times the clock tick or 10 seconds whichever is higher. 10
seconds is good value if |moose.Table| (dt = 1e-4) are added to Streamer.

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