<div dir="ltr"><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">Hey folks,</font></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">Is it normal for "buildbot reconfig" to take a long time? </font></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">I have ~140 builders and the same number of schedulers. My reconfigs take around 75 seconds even when the master is otherwise idle. </font></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">Is there anything I can do to optimize this?</font></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><span style="font-family:arial,helvetica,sans-serif;font-size:13.6px"><br></span></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><span style="font-family:arial,helvetica,sans-serif;font-size:13.6px">The master and workers are all docker containers sitting on 24 cpus and 94 gigs of RAM, so the hardware is somewhat beefy.</span></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><span style="font-family:arial,helvetica,sans-serif;font-size:13.6px"><br></span></div><div class="gmail-m_2432605831266449382gmail-linestyle2 gmail-m_2432605831266449382gmail-colourline" style="font-family:arial,sans-serif;font-size:13.6px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0)"><font face="arial, helvetica, sans-serif">Here's buildbot-profiler output with data collected during a reconfig:</font></div><div><img src="cid:ii_jhv6j5tu0_163b8901fdde14f2" width="472" height="460"><br></div><br><div>Thank you for your time,</div><div><br></div><div>John</div></div>