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https://issues.apache.org/jira/browse/FLINK-6624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16015473#comment-16015473
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Kostas Kloudas commented on FLINK-6624:
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Thanks for reporting this [~tedyu], I will fix it.
> SharedBuffer#hashCode() uses multiplier in wrong way
> ----------------------------------------------------
>
> Key: FLINK-6624
> URL: https://issues.apache.org/jira/browse/FLINK-6624
> Project: Flink
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Kostas Kloudas
> Priority: Minor
>
> In SharedBuffer.java:
> {code}
> public int hashCode() {
> return (int) (31 * (timestamp ^ timestamp >>> 32) + 31 *
> value.hashCode()) + counter;
> {code}
> Multiplier of 31 is applied to both (timestamp ^ timestamp >>> 32) and
> value.hashCode().
> The following is probably the right expression:
> {code}
> return (int) 31 * (31 * (timestamp ^ timestamp >>> 32) +
> value.hashCode()) + counter;
> {code}
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