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Posted to dev@giraph.apache.org by "Kyle Orlando (JIRA)" <ji...@apache.org> on 2013/08/15 01:46:49 UTC
[jira] [Updated] (GIRAPH-739) Discrepancy among numeric constants
corresponding to frequency of writing in TextAggregatorWriter
[ https://issues.apache.org/jira/browse/GIRAPH-739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kyle Orlando updated GIRAPH-739:
--------------------------------
Remaining Estimate: (was: 1h)
Original Estimate: (was: 1h)
> Discrepancy among numeric constants corresponding to frequency of writing in TextAggregatorWriter
> -------------------------------------------------------------------------------------------------
>
> Key: GIRAPH-739
> URL: https://issues.apache.org/jira/browse/GIRAPH-739
> Project: Giraph
> Issue Type: Bug
> Reporter: Kyle Orlando
> Priority: Minor
> Labels: aggregator, patch, writer
>
> In the TextAggreggatorWriter class in org.apache.giraph.aggregators, there are static constants at the top of the class that correspond to the frequency of writing.
> The _NEVER_ constant corresponds to never writing anything to a file, and it is assigned an (int) value of 0.
> _AT_THE_END_ corresponds to writing to a file only once, when the computation is over, and it is assigned a numeric value of -1.
>
> The third type of frequency is where the discrepancy exists: _ALWAYS_ corresponds to writing to a file in every superstep, and it is also assigned a numeric value of -1.
> _ALWAYS_'s value should be changed to a 1. This is because the condition for writing (as governed by the shouldWrite() method) can be met when superstep % frequency == 0, which is always the case when frequency == 1.
>
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