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Posted to common-issues@hadoop.apache.org by "Hemanth Boyina (Jira)" <ji...@apache.org> on 2020/08/06 17:00:13 UTC

[jira] [Commented] (HADOOP-17144) Update Hadoop's lz4 to v1.9.2

    [ https://issues.apache.org/jira/browse/HADOOP-17144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17172544#comment-17172544 ] 

Hemanth Boyina commented on HADOOP-17144:
-----------------------------------------

LZ4 compression states that  Compression is guaranteed to succeed if 'dstCapacity' >= LZ4_compressBound(srcSize) , where LZ4_compressBound is
{code:java}
 LZ4_compressBound(isize) = (isize) + ((isize)/255) + 16){code}
 updated the patch as per the above rule and changed the buffer capacity in hadoop

> Update Hadoop's lz4 to v1.9.2
> -----------------------------
>
>                 Key: HADOOP-17144
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17144
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Hemanth Boyina
>            Assignee: Hemanth Boyina
>            Priority: Major
>         Attachments: HADOOP-17144.001.patch, HADOOP-17144.002.patch
>
>
> Update hadoop's native lz4 to v1.9.2 



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