<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi All,<div class=""><br class=""></div><div class="">I'm experimenting with using SMP in workloads in v4.9.0 to increase the capacity of my test rig. I notice without SMP I have multiple idle CPU cores on the host machines so expecting to see significant increase in performance.</div><div class=""><br class=""></div><div class="">I have tried multiple different configuration but consistently see console output on the client reporting connection errors and when I check one of the server one of the worker processes will have silently terminated. This doesn't appear to happen with any particular pattern but does occur more often than not making it not possible to start a test with any confidence in SMP mode.</div><div class=""><br class=""></div><div class="">I'm seeing this same behaviour with both SSL and HTTP workloads, SSL workloads was the main driver to move to SMP as they are more taxing on the host but also tried HTTP to rule it out.</div><div class=""><br class=""></div><div class="">Here's the bench config that is intended to start multiple workers as I understand from the changelog. </div><div class=""><br class=""></div><div class=""><font face="Courier New" class="">Bench sslBench = {<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>client_side = {<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>max_host_load = 300/sec;<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>max_agent_load = 0.4/sec;<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>addr_space = [ 'lo::172.17.60-123.1-250/22' ];<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>hosts = [ '172.16.0.60-62' ];<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>};<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>server_side = {<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>max_host_load = client_side.max_host_load;<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>max_agent_load = 0.4/sec;<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>addr_space = [ 'lo::172.17.188-251.0-250:443/22' ];<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>hosts = [ '172.16.0.64-66' ] ** 2;<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>};<br class="">};</font></div><div class=""><font face="Courier New" class=""><br class=""></font></div><div class=""> Entire workload also attached also.</div><div class=""><br class=""></div><div class="">Any suggestions on how I can get some stability in the SMP tests or other users facing the same issue? I'm running on a RHEL 6.x clone OS.</div><div class=""><br class=""></div><div class="">Thanks,</div><div class=""><br class=""></div><div class="">Michael</div><div class=""><font face="Courier New" class=""><br class=""></font></div><div class=""></div></body></html>