<div style="white-space:pre-wrap">Hi,<br><br>Max: Can you please explain how do you measure that schedulers utilisation, and ensure it's good (or not)?<br><br>Lukas: from where Max was able to derive that 2048 is the best choice for: +MBsbc, +MBlmbcs and +MBsmbcs?<br><br>Erlang memory management is kind of mystery, and I would appreciate if you can teach us how to figure out the right numbers.<br><br>/Frank</div><br><div class="gmail_quote"><div dir="ltr">Le mer. 23 nov. 2016 à 22:16, Max Lapshin <<a href="mailto:max.lapshin@gmail.com">max.lapshin@gmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg"><div class="gmail_extra gmail_msg">Lukas, thank you a lot!</div><div class="gmail_extra gmail_msg"><br class="gmail_msg"></div><div class="gmail_extra gmail_msg"><br class="gmail_msg"></div><div class="gmail_extra gmail_msg">







<p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">+MBas aoffcaobf +MMmcs 30 +MBsbct 2048 +MBacul 10 +MBlmbcs 2048 +MBsmbcs 2048</span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg"><br class="gmail_msg"></span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">these settings looks very good.  Scheduler utilization is very good now (screenshot attached).</span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg"><br class="gmail_msg"></span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">hugepages are not used, recon_alloc:memory(usage) shows 78%  (rather good), </span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">







</span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">recon_alloc:cache_hit_rates() shows 99%</span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">







</span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">recon_alloc:sbcs_to_mbcs(current) shows less than 0,2%</span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg"><br class="gmail_msg"></span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg"><br class="gmail_msg"></span></p><p class="m_-3909552106497656144gmail-p1 gmail_msg"><span class="m_-3909552106497656144gmail-s1 gmail_msg">Will check these settings on different installations.</span></p></div></div>
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