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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: What is the relation between TIME_WAIT and HTTP Client calls to a RestService?
Date Fri, 26 Jun 2015 08:22:33 GMT
On Thu, 2015-06-25 at 12:33 -0700, Check Peck wrote:
> Thanks Oleg. Got the idea now. Basically earlier, I was not using setting
> any timeout value on Http request but I was setting the timeout value on my
> Future and by default the timeout value on http request was -1 so it was
> waiting for most of the time and that's why I was seeing lot of TIME_WAIT.
> I have made the code changes like this now:
> 
> This is the request factory I am setting on my RestTemplate now. I wanted
> to check with you to see, do you think these settings are ok for better
> performance?
> 
>         private ClientHttpRequestFactory clientHttpRequestFactory() {
>             HttpComponentsClientHttpRequestFactory requestFactory = new
> HttpComponentsClientHttpRequestFactory();
>             RequestConfig requestConfig =
> RequestConfig.custom().setConnectionRequestTimeout(1000).setConnectTimeout(1000)
> 
> .setSocketTimeout(1000).setStaleConnectionCheckEnabled(false).build();
>             SocketConfig socketConfig =
> SocketConfig.custom().setSoKeepAlive(true).setTcpNoDelay(true).build();
> 
>             PoolingHttpClientConnectionManager
> poolingHttpClientConnectionManager = new
> PoolingHttpClientConnectionManager();
>             poolingHttpClientConnectionManager.setMaxTotal(800);
>             poolingHttpClientConnectionManager.setDefaultMaxPerRoute(700);
> 
>             CloseableHttpClient httpClientBuilder =
> HttpClientBuilder.create()
> 
> .setConnectionManager(poolingHttpClientConnectionManager).setDefaultRequestConfig(requestConfig)
>                     .setDefaultSocketConfig(socketConfig).build();
> 
>             requestFactory.setHttpClient(httpClientBuilder);
>             return requestFactory;
>         }
> 

Settings look reasonable to me.

Oleg



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