Re: Hadoop v1.8 data transfer protocol

There's been no Apache Hadoop release versioned v1.8 historically, nor is one upcoming. Do you mean 0.18? Either way, can you point to the specific code lines in BlockSender which have you confused? The sendBlock and sendPacket methods would interest you I assume, but they appear to be well constr

Hadoop v1.8 data transfer protocol

Hi, I'm trying to figure out how data is transferred between client and DataNode in Hadoop v1.8. This is my understanding so far: The client first fires an OP_READ_BLOCK request. The DataNode responds with a status code, checksum header, chunk offset, packet length, sequence number, the last pac

[jira] [Created] (HADOOP-10464) Make TestTrash compatible with HADOOP-10461 .

jay vyas created HADOOP-10464: - Summary: Make TestTrash compatible with HADOOP-10461 . Key: HADOOP-10464 URL: https://issues.apache.org/jira/browse/HADOOP-10464 Project: Hadoop Common Issue Type:

Re: Plans of moving towards JDK7 in trunk

On 5 April 2014 20:54, Raymie Stata wrote: > To summarize the thread so far: > > a) Java7 is already a supported compile- and runtime environment for > Hadoop branch2 and trunk > b) Java6 must remain a supported compile- and runtime environment for > Hadoop branch2 > c) (b) implies that branch2 m

Build failed in Jenkins: Hadoop-Common-trunk #1091

See -- [...truncated 62608 lines...] Adding reference: maven.local.repository [DEBUG] Initialize Maven Ant Tasks parsing buildfile jar:file:/home/jenkins/.m2/repository/org/apache/maven/plugins/maven