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  <title type="html">rithmic. StockSharp</title>
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  <rights type="text">Copyright @ StockSharp Platform LLC 2010 - 2025</rights>
  <updated>2026-06-06T16:01:21Z</updated>
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  <entry>
    <id>https://stocksharp.com/topic/12380/</id>
    <title type="text">Rithmic connection CPU Usage &amp;amp; Refreshspeed of SubscribeMarketDepth</title>
    <published>2020-09-02T18:47:42Z</published>
    <updated>2020-09-02T20:53:39Z</updated>
    <author>
      <name>Tobias Born</name>
      <uri>https://stocksharp.com/users/127923/</uri>
      <email>info@stocksharp.com</email>
    </author>
    <category term="Rithmic" />
    <category term="-" />
    <category term="SubscribeMarketDepth" />
    <content type="html">&lt;p&gt;Dear S# Community,&lt;/p&gt;
&lt;p&gt;i have a question regarding the S# Rithmic Connection. I have realised that it needs a lot of CPU Usage (up to 50%) when i am subscribing to the SubscribeMarketDepth.
It seems the method is sync and is blocking the other threads in between. It would be better to call it async but that is not implemented right now in s#[crying].&lt;/p&gt;
&lt;p&gt;Does anybody make the same experience?&lt;/p&gt;
&lt;p&gt;Also the second question i have is about the refreshspeed of this subscription. &lt;a href="https://doc.stocksharp.com/html/M_StockSharp_Algo_IMarketDataProviderEx_SubscribeMarketDepth.htm"&gt;https://doc.stocksharp.com/html/M_StockSharp_Algo_IMarketDataProviderEx_SubscribeMarketDepth.htm&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;i gave a refreshspeed of 3 seconds,but it seems the data update comes more frequently, less than 1 second i guess.&lt;/p&gt;
&lt;p&gt;TimeSpan span = new TimeSpan(0, 0, 0, 3, 0);
Connector.SubscribeMarketDepth(security, null, null, null, MarketDataBuildModes.LoadAndBuild,null, 25, &lt;strong&gt;span&lt;/strong&gt;, null, false, null);&lt;/p&gt;
&lt;p&gt;Am i using it wrong?&lt;/p&gt;
&lt;p&gt;Thanks in advance &amp;amp; best regards
Tobias&lt;/p&gt;
</content>
  </entry>
  <entry>
    <id>https://stocksharp.com/topic/8949/</id>
    <title type="text">Rithmic connection</title>
    <published>2017-12-19T15:48:02Z</published>
    <updated>2017-12-20T07:04:27Z</updated>
    <author>
      <name>Jose</name>
      <uri>https://stocksharp.com/users/99429/</uri>
      <email>info@stocksharp.com</email>
    </author>
    <category term="Rithmic" />
    <category term="connection" />
    <content type="html">&lt;p&gt;Hi!
I didn't take any modification yet in &amp;quot;Rithmic sample application&amp;quot; and I would like to connect with it but I don't know what certificate file should I use!? I just have a username and password for my account and nowadays I use it with Ninjatrader well. I have found a certificate (*.pk12) file in NT's folder but then I got a &amp;quot;bad input&amp;quot; error message which is understandable :)
I should request a valid certificate file from my futures broker or what file do I have to use there?
Regards,
Jose&lt;/p&gt;
</content>
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