Tons of errors seen after Map 100% Reduce 50%, but the job
still struggles to finish. What is the possible reason? Is
this issue fixed in any of the version?
java.net.SocketTimeoutException: 69000 millis timeout while
waiting for channel to be ready for read. ch :
java.nio.channels.SocketChannel[connected
local=/10.105.19.35:58539 remote=/10.105.19.35:50010]
at
org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTim
eout.java:164)
at
org.apache.hadoop.net.SocketInputStream.read(SocketInputStream
.java:155)
at
org.apache.hadoop.net.SocketInputStream.read(SocketInputStream
.java:128)
at
org.apache.hadoop.net.SocketInputStream.read(SocketInputStream
.java:116)
at
java.io.DataInputStream.readShort(DataInputStream.java:295)
at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.createBlockOu
tputStream(DFSClient.java:3060)
at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutp
utStream(DFSClient.java:2983)
at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(D
FSClient.java:2255)
at
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.
run(DFSClient.java:2446)
