[jira] [Updated] (HDFS-6151) HDFS should refuse to cache blocks >=2GB

2017-01-06 Thread Junping Du (JIRA)

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https://issues.apache.org/jira/browse/HDFS-6151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Junping Du updated HDFS-6151:
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Target Version/s:   (was: 2.8.0)

> HDFS should refuse to cache blocks >=2GB
> 
>
> Key: HDFS-6151
> URL: https://issues.apache.org/jira/browse/HDFS-6151
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: caching, datanode
>Affects Versions: 2.4.0
>Reporter: Andrew Wang
>Assignee: Andrew Wang
>
> If you try to cache a block that's >=2GB, the DN will silently fail to cache 
> it since {{MappedByteBuffer}} uses a signed int to represent size. Blocks 
> this large are rare, but we should log or alert the user somehow.



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[jira] [Updated] (HDFS-6151) HDFS should refuse to cache blocks =2GB

2014-07-02 Thread Karthik Kambatla (JIRA)

 [ 
https://issues.apache.org/jira/browse/HDFS-6151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Karthik Kambatla updated HDFS-6151:
---

Target Version/s: 2.6.0  (was: 2.5.0)

 HDFS should refuse to cache blocks =2GB
 

 Key: HDFS-6151
 URL: https://issues.apache.org/jira/browse/HDFS-6151
 Project: Hadoop HDFS
  Issue Type: Bug
  Components: caching, datanode
Affects Versions: 2.4.0
Reporter: Andrew Wang
Assignee: Andrew Wang

 If you try to cache a block that's =2GB, the DN will silently fail to cache 
 it since {{MappedByteBuffer}} uses a signed int to represent size. Blocks 
 this large are rare, but we should log or alert the user somehow.



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