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From Neale <ne...@nealeupstone.com>
Subject Re: Anyone having problems with max connections when load testing?
Date Tue, 04 Dec 2007 16:21:15 GMT
Spot on.. thanks.  Horrid thing to have to do...

any chance of putting a " you forgot to release()" message in the 
finalizer (or is that a bit too hacky :)



James M Snell wrote:
> Are you releasing your response objects when you're done with them?  e.g.
>
>   ClientResponse resp = client.get(...);
>   // do stuff with resp
>   resp.release();
>
> This is an unfortunate requirement of the
> multithreadedhttpconnectionmanager.
>
> - James
>
> Neale Upstone wrote:
>   
>> Hi,
>>
>> I'm using Abdera (4.0, recent snapshot) as part of my testing, and I'm
>> getting a lock up when load testing the creation of an atom entry.
>>
>> If I pause the VM and investigate, I find that
>> MultiThreadedHttpConnectionManager has run out of connections for the
>> host.  It exhibits some strange behaviour, where it used to work, when I
>> had some other, disk read I/O going on between the writes, but moved
>> that to a singleton initialisation (reading a database of random
>> postcodes if you must know ;)
>>
>> Is anyone else using AbderaClient (i.e. re-using the same instance) for
>> multiple repeated posts?
>>
>> If I add client.setMaxConnectionsPerHost(20); , for a test of 20
>> creates, it works.  Otherwise it stops after the first two.
>>
>> What's weird, and concerning is that it works when other I/O is going
>> on.  Certainly worth people being aware of.
>>
>> Cheers,
>>
>> Neale
>>
>>
>>
>>
>>
>> Thread [main] (Suspended)
>>     Object.wait(long) line: not available [native method]
>>    
>> MultiThreadedHttpConnectionManager.doGetConnection(HostConfiguration,
>> long) line: 518
>>    
>> MultiThreadedHttpConnectionManager.getConnectionWithTimeout(HostConfiguration,
>> long) line: 416
>>     HttpMethodDirector.executeMethod(HttpMethod) line: 153
>>     HttpClient.executeMethod(HostConfiguration, HttpMethod, HttpState)
>> line: 397
>>     HttpClient.executeMethod(HttpMethod) line: 323
>>     AbderaClient.execute(String, String, RequestEntity, RequestOptions)
>> line: 435
>>     AbderaClient.post(String, RequestEntity, RequestOptions) line: 156
>>     TestCreate.create(Entry) line: 162
>>     TestCreate.testCreateMany() line: 108
>>
>>
>>     

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