RE: java.io.IOException on Namenode logs

2017-07-03 Thread Brahma Reddy Battula
are more(you can check jmx) If there is any possibility enable the debug logs which can give useful info. --Brahma Reddy Battula From: daemeon reiydelle [mailto:daeme...@gmail.com] Sent: 04 July 2017 01:04 To: Nishant Verma Cc: user Subject: Re: java.io.IOException on Namenode logs A possibility

Re: java.io.IOException on Namenode logs

2017-07-03 Thread daemeon reiydelle
A possibility is that the node showing errors was not able to get tcp connection, or heavy network conjestion, or (possibly) heavy garbage collection tomeouts. Would suspect network ... There is no sin except stupidity - Oscar Wilde ... Daemeon (Dæmœn) Reiydelle USA 1.415.501.0198 On Jul 3, 2017

java.io.IOException on Namenode logs

2017-07-03 Thread Nishant Verma
Hello I am having Kafka Connect writing records on my HDFS nodes. HDFS cluster has 3 datanodes. Last night I observed data loss in records committed to HDFS. There was no issue on Kafka Connect side. However, I can see Namenode showing below error logs: java.io.IOException: File