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Sarnam  
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 More options May 8 2012, 12:03 pm
From: Sarnam <sarna...@gmail.com>
Date: Tue, 8 May 2012 21:33:58 +0530
Local: Tues, May 8 2012 12:03 pm
Subject: Connection reset problem
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Hi,
   I am doing load testing (using jmeter tool) of mongoDb (2.0.5)
implementation with C# driver version 1.4.2. I encountered a connection
reset problem like:

java.net.SocketException: Connection reset
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection$6.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at
sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown
Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown
Source)
    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    at
org.apache.jmeter.protocol.http.sampler.HTTPSampler.readResponse(HTTPSample r.java:267)
    at
org.apache.jmeter.protocol.http.sampler.HTTPSampler.sample(HTTPSampler.java :516)
    at
org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerB ase.java:965)
    at
org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerB ase.java:951)
    at
org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:34 8)
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:243)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketException: Connection reset
    at java.net.SocketInputStream.read(Unknown Source)
    at java.io.BufferedInputStream.fill(Unknown Source)
    at java.io.BufferedInputStream.read1(Unknown Source)
    at java.io.BufferedInputStream.read(Unknown Source)
    at sun.net.www.http.HttpClient.parseHTTPHeader(Unknown Source)
    at sun.net.www.http.HttpClient.parseHTTP(Unknown Source)
    at sun.net.www.http.HttpClient.parseHTTP(Unknown Source)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown
Source)
    at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(Unknown
Source)
    at java.net.URLConnection.getHeaderFieldInt(Unknown Source)
    at java.net.URLConnection.getContentLength(Unknown Source)
    at
org.apache.jmeter.protocol.http.sampler.HTTPSampler.readResponse(HTTPSample r.java:237)
    ... 6 more

So please help me to fix this problem. Your efforts will be highly
appreciable.

Thanks
Sarnam


 
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Scott Hernandez  
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 More options May 8 2012, 12:12 pm
From: Scott Hernandez <scotthernan...@gmail.com>
Date: Tue, 8 May 2012 09:12:02 -0700
Local: Tues, May 8 2012 12:12 pm
Subject: Re: [mongodb-user] Connection reset problem
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What is the cause of network issue? Are you seeing network errors or
is this a replica set?

What does the server state/logs look like during this time? (please
post logs/mongostat to gist/pastebin/pastie/etc during these errors)


 
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Sarnam  
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 More options May 8 2012, 12:25 pm
From: Sarnam <sarna...@gmail.com>
Date: Tue, 8 May 2012 21:55:52 +0530
Local: Tues, May 8 2012 12:25 pm
Subject: Re: [mongodb-user] Connection reset problem
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Hi,
Thanks for reply.

I am not seeing any exception either in application log or in MongoDB log.
But while doing load testing using Jmeter tool , its gives this error in
2-3 threads out of 100 threads.
  I am not using any replica, just using only single replica or we can say
primary database. No sharding or no replica.

Thanks
Sarnam

On Tue, May 8, 2012 at 9:42 PM, Scott Hernandez <scotthernan...@gmail.com>wrote:


 
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Scott Hernandez  
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 More options May 8 2012, 12:31 pm
From: Scott Hernandez <scotthernan...@gmail.com>
Date: Tue, 8 May 2012 09:31:36 -0700
Local: Tues, May 8 2012 12:31 pm
Subject: Re: [mongodb-user] Connection reset problem
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Can you please post the output of mongostat and the logs during these errors?


 
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Sarnam  
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 More options May 10 2012, 7:08 am
From: Sarnam <sarna...@gmail.com>
Date: Thu, 10 May 2012 16:38:03 +0530
Local: Thurs, May 10 2012 7:08 am
Subject: Re: [mongodb-user] Connection reset problem
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Please find Mongostats:

> db.serverStatus()

{
        "host" : "Techserver1",
        "version" : "2.0.5-rc1",
        "process" : "mongod",
        "uptime" : 8127,
        "uptimeEstimate" : 6518,
        "localTime" : ISODate("2012-05-10T10:55:55.935Z"),
        "globalLock" : {
                "totalTime" : 8127689654,
                "lockTime" : 18500,
                "ratio" : 0.0000022761695866297405,
                "currentQueue" : {
                        "total" : 0,
                        "readers" : 0,
                        "writers" : 0
                },
                "activeClients" : {
                        "total" : 0,
                        "readers" : 0,
                        "writers" : 0
                }
        },
        "mem" : {
                "bits" : 64,
                "resident" : 94,
                "virtual" : 513,
                "supported" : true,
                "mapped" : 208,
                "mappedWithJournal" : 416
        },
        "connections" : {
                "current" : 29,
                "available" : 19971
        },
        "extra_info" : {
                "note" : "fields vary by platform",
                "page_faults" : 1742561,
                "usagePageFileMB" : 31,
                "totalPageFileMB" : 131049,
                "availPageFileMB" : 104092,
                "ramMB" : 65525
        },
        "indexCounters" : {
                "note" : "not supported on this platform"
        },
        "backgroundFlushing" : {
                "flushes" : 135,
                "total_ms" : 5487,
                "average_ms" : 40.644444444444446,
                "last_ms" : 7,
                "last_finished" : ISODate("2012-05-10T10:55:29.361Z")
        },
        "cursors" : {
                "totalOpen" : 2,
                "clientCursors_size" : 2,
                "timedOut" : 38
        },
        "network" : {
                "bytesIn" : 1841768,
                "bytesOut" : 4195249950,
                "numRequests" : 22857
        },
        "opcounters" : {
                "insert" : 0,
                "query" : 19942,
                "update" : 0,
                "delete" : 0,
                "getmore" : 1208,
                "command" : 1704
        },
        "asserts" : {
                "regular" : 0,
                "warning" : 0,
                "msg" : 0,
                "user" : 0,
                "rollovers" : 0
        },
        "writeBacksQueued" : false,
        "dur" : {
                "commits" : 22,
                "journaledMB" : 0,
                "writeToDataFilesMB" : 0,
                "compression" : 0,
                "commitsInWriteLock" : 0,
                "earlyCommits" : 0,
                "timeMs" : {
                        "dt" : 3090,
                        "prepLogBuffer" : 0,
                        "writeToJournal" : 0,
                        "writeToDataFiles" : 0,
                        "remapPrivateView" : 0
                }
        },
        "ok" : 1

}

there is no error in logfile.

So please look at these statistics.

Thanks
Sarnam Singh

On Tue, May 8, 2012 at 10:01 PM, Scott Hernandez
<scotthernan...@gmail.com>wrote:


 
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Scott Hernandez  
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 More options Jun 1 2012, 4:26 pm
From: Scott Hernandez <scotthernan...@gmail.com>
Date: Fri, 1 Jun 2012 16:26:17 -0400
Local: Fri, Jun 1 2012 4:26 pm
Subject: Re: [mongodb-user] Connection reset problem
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mongostat is a tool which show samples of data over intervals as
described here: http://docs.mongodb.org/manual/reference/mongostat/

These static stats don't help much, unfortunately.

...

read more »


 
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pohit sharma  
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 More options Oct 5 2012, 6:32 am
From: pohit sharma <pohitsharma1...@gmail.com>
Date: Fri, 5 Oct 2012 03:32:44 -0700 (PDT)
Local: Fri, Oct 5 2012 6:32 am
Subject: Re: Connection reset problem
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i m also facing this problem..have u fixed this problem..if yes plz share
with me thanks in advance.


 
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pohit sharma  
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 More options Oct 10 2012, 1:32 am
From: pohit sharma <pohitsharma1...@gmail.com>
Date: Tue, 9 Oct 2012 22:32:40 -0700 (PDT)
Local: Wed, Oct 10 2012 1:32 am
Subject: Re: Connection reset problem
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Gianfranco  
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 More options Oct 25 2012, 11:53 am
From: Gianfranco <gianfra...@10gen.com>
Date: Thu, 25 Oct 2012 08:53:27 -0700 (PDT)
Local: Thurs, Oct 25 2012 11:53 am
Subject: Re: Connection reset problem
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Are you using the same versions 2.0.5?
Please open a new Topic/Thread specifying the problem and reason why using
2.0.5 instead 2.0.7 or 2.2.0


 
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pohit sharma  
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 More options Oct 25 2012, 11:03 pm
From: pohit sharma <pohitsharma1...@gmail.com>
Date: Fri, 26 Oct 2012 08:33:14 +0530
Local: Thurs, Oct 25 2012 11:03 pm
Subject: Re: [mongodb-user] Re: Connection reset problem
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Hi Gianfranco,

Thanks for Your reply..I am using Jmeter 2.7 version and testing my
moodle e-learning site on localhost.

Thanks and regards,
Pohit


 
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