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Posted to common-issues@hadoop.apache.org by "olivier gillet (JIRA)" <ji...@apache.org> on 2009/11/13 13:25:39 UTC
[jira] Updated: (HADOOP-6372) MurmurHash does not yield the same
results as the reference C++ implementation when size % 4 >= 2
[ https://issues.apache.org/jira/browse/HADOOP-6372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
olivier gillet updated HADOOP-6372:
-----------------------------------
Attachment: HADOOP-6372.patch
> MurmurHash does not yield the same results as the reference C++ implementation when size % 4 >= 2
> -------------------------------------------------------------------------------------------------
>
> Key: HADOOP-6372
> URL: https://issues.apache.org/jira/browse/HADOOP-6372
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 0.20.1
> Reporter: olivier gillet
> Priority: Trivial
> Attachments: HADOOP-6372.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Last rounds of MurmurHash are done in reverse order. data[length - 3], data[length - 2] and data[length - 1] in the block processing the remaining bytes should be data[len_m +2], data[len_m + 1], data[len_m].
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