[webhdfs] When Getting the file using OP=OPEN with DN http address, ESTABLISHED
sockets are growing.
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Key: HDFS-2494
URL: https://issues.apache.org/jira/browse/HDFS-2494
Project: Hadoop HDFS
Issue Type: Bug
Components: data-node
Affects Versions: 0.24.0
Reporter: Uma Maheswara Rao G
Assignee: Uma Maheswara Rao G
As part of the reliable test,
Scenario:
Initially check the socket count. ---there are aroud 42 sockets are there.
open the file with DataNode http address using op=OPEN request parameter about
500 times in loop.
Wait for some time and check the socket count. --- There are thousands of
ESTABLISHED sockets are growing. ~2052
Here is the netstat result:
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
C:\Users\uma>netstat | grep 127.0.0.1 | grep ESTABLISHED |wc -l
2042
This count is coming down.
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