FAQ
Hi All,

I've a question about Heartbeat implementation in Hadoop.
I'm working on dependability evaluation of Hadoop, I'm interested to find
all the code snippets which implements the heartbeat.
Right now I've found one place

1- heartbeat with piggybacking is used by (JobTracker.java and
TaskTracker.java)in Hadoop to check the health status of each task.

Do you know any package/class that implements the heartbeat?

I really appreciate your feedback.
Mehdi

PS.Here I've found these classes so far, does anyone knows if this list is
complete?

mapreduce\src\java\org\apache\hadoop\mapred\TaskTracker.java
mapreduce\src\java\org\apache\hadoop\mapreduce\server\tasktracker\TTConfig.java
mapreduce\src\contrib\mumak\src\java\org\apache\hadoop\mapred\SimulatorTaskTracker.java
mapreduce\src\contrib\mumak\src\java\org\apache\hadoop\mapred\SimulatorEngine.java
mapreduce\src\java\org\apache\hadoop\mapred\JobTracker.java
mapreduce\src\java\org\apache\hadoop\mapred\TaskTrackerManager.java
mapreduce\src\java\org\apache\hadoop\mapreduce\server\jobtracker\JTConfig.java
mapreduce\src\contrib\mumak\src\java\org\apache\hadoop\mapred\SimulatorJobTracker.java
mapreduce\src\java\org\apache\hadoop\mapred\InterTrackerProtocol.java
mapreduce\src\java\org\apache\hadoop\mapreduce\util\ConfigUtil.java

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postedSep 22, '11 at 12:18a
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Mehdi Mirakhorli: 1 post

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