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https://issues.apache.org/jira/browse/HBASE-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12777772#action_12777772
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ryan rawson commented on HBASE-1979:
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there are no bloom filters in any installations right now AFAIK.
Does this change the basic murmur hash function? Because it might break the
encoded directory names of hbase!
> MurmurHash does not yield the same results as the reference C++
> implementation when size % 4 >= 2
> -------------------------------------------------------------------------------------------------
>
> Key: HBASE-1979
> URL: https://issues.apache.org/jira/browse/HBASE-1979
> Project: Hadoop HBase
> Issue Type: Bug
> Components: util
> Affects Versions: 0.20.1
> Reporter: olivier gillet
> Assignee: olivier gillet
> Priority: Trivial
> Fix For: 0.21.0, 0.20.3
>
> Attachments: HBASE-1979.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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