[jira] [Commented] (HDFS-5656) add some configuration keys to hdfs-default.xml

2013-12-13 Thread Colin Patrick McCabe (JIRA)

[ 
https://issues.apache.org/jira/browse/HDFS-5656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13847874#comment-13847874
 ] 

Colin Patrick McCabe commented on HDFS-5656:


also: dfs.datanode.readahead.bytes, dfs.client.read.shortcircuit.buffer.size

 add some configuration keys to hdfs-default.xml
 ---

 Key: HDFS-5656
 URL: https://issues.apache.org/jira/browse/HDFS-5656
 Project: Hadoop HDFS
  Issue Type: Bug
Affects Versions: 2.3.0
Reporter: Colin Patrick McCabe
Priority: Minor

 Some configuration keys like {{dfs.client.read.shortcircuit}} are not present 
 in {{hdfs-default.xml}} as they should be.



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[jira] [Commented] (HDFS-5656) add some configuration keys to hdfs-default.xml

2013-12-13 Thread Colin Patrick McCabe (JIRA)

[ 
https://issues.apache.org/jira/browse/HDFS-5656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13847875#comment-13847875
 ] 

Colin Patrick McCabe commented on HDFS-5656:


bq. I'll add that dfs.client.cache.readahead doesn't have a default value in 
DFSConfigKeys too.

Its default value is null, meaning that the datanode decides what readahead is 
(when doing remote reads)

 add some configuration keys to hdfs-default.xml
 ---

 Key: HDFS-5656
 URL: https://issues.apache.org/jira/browse/HDFS-5656
 Project: Hadoop HDFS
  Issue Type: Bug
Affects Versions: 2.3.0
Reporter: Colin Patrick McCabe
Priority: Minor

 Some configuration keys like {{dfs.client.read.shortcircuit}} are not present 
 in {{hdfs-default.xml}} as they should be.



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[jira] [Commented] (HDFS-5656) add some configuration keys to hdfs-default.xml

2013-12-12 Thread Andrew Wang (JIRA)

[ 
https://issues.apache.org/jira/browse/HDFS-5656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13847027#comment-13847027
 ] 

Andrew Wang commented on HDFS-5656:
---

I'll add that dfs.client.cache.readahead doesn't have a default value in 
DFSConfigKeys too.

 add some configuration keys to hdfs-default.xml
 ---

 Key: HDFS-5656
 URL: https://issues.apache.org/jira/browse/HDFS-5656
 Project: Hadoop HDFS
  Issue Type: Bug
Affects Versions: 2.3.0
Reporter: Colin Patrick McCabe
Priority: Minor

 Some configuration keys like {{dfs.client.read.shortcircuit}} are not present 
 in {{hdfs-default.xml}} as they should be.



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