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From "Rajat Jain (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1697) Performance issue while closing client streams
Date Sun, 15 Nov 2015 06:37:31 GMT
Rajat Jain created HTTPCLIENT-1697:
--------------------------------------

             Summary: Performance issue while closing client streams
                 Key: HTTPCLIENT-1697
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1697
             Project: HttpComponents HttpClient
          Issue Type: Bug
            Reporter: Rajat Jain
            Priority: Critical


cc [~jmurty]

The performance of http client 4.5 (used by the `jets3t` project for this particular bug)
has degraded in 4.x as compared to 3.x. A lot of time in present is spent in the following
stack trace, which is when `jets3t` is trying to close the http stream.

{code}
"main" prio=10 tid=0x00007f8e1c012000 nid=0x2bdd runnable [0x00007f8e247b4000]
   java.lang.Thread.State: RUNNABLE
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.read(SocketInputStream.java:152)
    at java.net.SocketInputStream.read(SocketInputStream.java:122)
    at org.apache.http.impl.io.AbstractSessionInputBuffer.read(AbstractSessionInputBuffer.java:204)
    at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:182)
    at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:204)
    at org.apache.http.impl.io.ContentLengthInputStream.close(ContentLengthInputStream.java:108)
    at org.apache.http.conn.BasicManagedEntity.streamClosed(BasicManagedEntity.java:164)
    at org.apache.http.conn.EofSensorInputStream.checkClose(EofSensorInputStream.java:237)
    at org.apache.http.conn.EofSensorInputStream.close(EofSensorInputStream.java:186)
    at org.apache.http.util.EntityUtils.consume(EntityUtils.java:87)
    at org.jets3t.service.impl.rest.httpclient.HttpMethodReleaseInputStream.releaseConnection(HttpMethodReleaseInputStream.java:102)
    at org.jets3t.service.impl.rest.httpclient.HttpMethodReleaseInputStream.close(HttpMethodReleaseInputStream.java:194)
    at org.apache.hadoop.io.IOUtils.cleanup(IOUtils.java:237)
    at org.apache.hadoop.io.IOUtils.closeStream(IOUtils.java:254)
    at org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream.closeInnerStream(NativeS3FileSystem.java:247)
    at org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream.updateInnerStream(NativeS3FileSystem.java:282)
    - locked <0x00000000f6cd5730> (a org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream)
    at org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream.reopen(NativeS3FileSystem.java:270)
    - locked <0x00000000f6cd5730> (a org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream)
    at org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream.seek(NativeS3FileSystem.java:258)
    - locked <0x00000000f6cd5730> (a org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream)
    at org.apache.hadoop.fs.BufferedFSInputStream.seek(BufferedFSInputStream.java:98)
    at org.apache.hadoop.fs.FSDataInputStream.seek(FSDataInputStream.java:63)
    - locked <0x00000000f6cd56e0> (a org.apache.hadoop.fs.FSDataInputStream)
    at com.rjain.Jets3tTest.main(Jets3tTest.java:31)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.RunJar.run(RunJar.java:223)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
{code}

Please read further description of the issue here: https://bitbucket.org/jmurty/jets3t/issues/221/hadoop-seek-performance-regression-in



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