- Original Message -
From: Mark question markq2...@gmail.com
Date: Saturday, October 22, 2011 5:57 am
Subject: Remote Blocked Transfer count
To: common-user common-user@hadoop.apache.org
Hello,
I wonder if there is a way to measure how many of the data blocks
havetransferred over
Have you looked at DataNode metrics?
$ sudo -u hdfs bash -c 'echo -e open `cat
$HADOOP_SECURE_DN_PID_DIR/hadoop_secure_dn.pid`\n get -b
Hadoop:name=DataNode,service=DataNode * | /usr/bin/java -jar
/home/rajive/w/jmx/jmxterm.jar -n '
Welcome to JMX terminal. Type help for available commands.
Hello,
I wonder if there is a way to measure how many of the data blocks have
transferred over the network? Or more generally, how many times where there
a connection/contact between different machines?
I thought of checking the Namenode log file which usually shows blk_
from src= to dst
