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https://issues.apache.org/jira/browse/FLINK-6474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-6474:
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Fix Version/s: 1.3.0
> Potential loss of precision in 32 bit integer multiplication
> ------------------------------------------------------------
>
> Key: FLINK-6474
> URL: https://issues.apache.org/jira/browse/FLINK-6474
> Project: Flink
> Issue Type: Bug
> Components: Network
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Fix For: 1.3.0
>
>
> In TaskManagerServicesConfiguration#parseNetworkEnvironmentConfiguration
> {code}
> if (!hasNewNetworkBufConf(configuration)) {
> // map old config to new one:
> networkBufMin = networkBufMax = numNetworkBuffers * pageSize;
> {code}
> networkBufMax is a long.
> However the multiplication is done in 32 bit integer, leading to potential
> loss of precision.
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