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Posted to dev@giraph.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2012/10/01 23:51:07 UTC

[jira] [Commented] (GIRAPH-353) Received metrics are not thread-safe

    [ https://issues.apache.org/jira/browse/GIRAPH-353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467226#comment-13467226 ] 

Hudson commented on GIRAPH-353:
-------------------------------

Integrated in Giraph-trunk-Commit #213 (See [https://builds.apache.org/job/Giraph-trunk-Commit/213/])
    GIRAPH-353: Received metrics are not thread-safe (aching via ereisman) (Revision 1392645)

     Result = SUCCESS
ereisman : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1392645
Files : 
* /giraph/trunk/CHANGELOG
* /giraph/trunk/src/main/java/org/apache/giraph/comm/netty/ByteCounter.java

                
> Received metrics are not thread-safe
> ------------------------------------
>
>                 Key: GIRAPH-353
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-353
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Avery Ching
>            Assignee: Avery Ching
>             Fix For: 0.2.0
>
>         Attachments: GIRAPH-353.patch
>
>
> In the logs we often see stuff like:
> 2012-09-28 16:47:28,835 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 9.2083, MBytesSent = 0.0215, MBytesReceived = 283.1398, ave sent request MBytes = 0, ave received request MBytes = 0.0762, secs waited = 30.886
> 2012-09-28 16:47:28,835 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 9.1614, MBytesSent = 0.0215, MBytesReceived = 281.83, ave sent request MBytes = 0, ave received request MBytes = 0.076, secs waited = 0.0
> 2012-09-28 16:47:28,835 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 0, MBytesSent = 0.0215, MBytesReceived = 281.6554, ave sent request MBytes = 0, ave received request MBytes = 0.076, secs waited = 0.0
> 2012-09-28 16:47:28,835 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 0, MBytesSent = 0.0215, MBytesReceived = 282.3169, ave sent request MBytes = 0, ave received request MBytes = 0.0761, secs waited = 0.0
> 2012-09-28 16:47:28,836 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 0, MBytesSent = 0.0215, MBytesReceived = 282.3169, ave sent request MBytes = 0, ave received request MBytes = 0.0761, secs waited = 0.001
> 2012-09-28 16:47:28,836 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 144.7954, MBytesSent = 0.0215, MBytesReceived = 282.6441, ave sent request MBytes = 0, ave received request MBytes = 0.0761, secs waited = 0.0
> 2012-09-28 16:47:28,836 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 9.1406, MBytesSent = 0.0215, MBytesReceived = 281.4949, ave sent request MBytes = 0, ave received request MBytes = 0.0759, secs waited = 0.0
> 2012-09-28 16:47:28,836 INFO org.apache.giraph.comm.netty.handler.RequestDecoder: decode: Server window metrics MBytes/sec sent = 0.0007, MBytes/sec received = 9.1673, MBytesSent = 0.0215, MBytesReceived = 282.6441, ave sent request MBytes = 0, ave received request MBytes = 0.0761, secs waited = 0.0
> This happens due to multiple threads calling ByteCounter#getMetricsWindow() and the method not being thread safe.

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