Yep, its been moved to a different area after pluggable block
placement policies were introduced. I answered with RTC cause OP was
reading the hadoop book, which surrounds what is today 1.0.
2011/12/7 Praveen Sripati :
> Not sure why, but I was able to find ReplicationTargetChooser.java only in
>
To: common-dev@hadoop.apache.org
Subject: Re: Re: how to select the position of a block
Not sure why, but I was able to find ReplicationTargetChooser.java only in
branch-1.0 and not in trunk, 21, 22 and 23.
Regards,
Praveen
2011/12/7 郭冲
>
>
> isGoodTarget() in ReplicationTargetCho
Not sure why, but I was able to find ReplicationTargetChooser.java only in
branch-1.0 and not in trunk, 21, 22 and 23.
Regards,
Praveen
2011/12/7 郭冲
>
>
> isGoodTarget() in ReplicationTargetChooser.java judge if a node is a
> good node, it will consider the disk space , load , and the rack wh
Moving discussion to hdfs-dev.
DataNodes report disk usage (space) and current transfer thread counts (load)
periodically to the NameNode. NameNode uses this information to make a decision
while building the pipeline DNs for your client request. I believe the class is
called something like Repl