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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I’ve been running a node for contests (GB7DXM) where it receives a feed from the RBN network – so lots of spots over a period. It’s been running on small hardware, Raspberry Pi 3 and more recently an AWS t2.micro instance – both with only 1 GB of RAM. Currently running v 1.55 Build 0.197.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Once there are plenty of spots in the database (spots directory is currently 578 Mb – but the crash still happened when it was smaller), if you run a sh/dx on a call which is nowhere in the database, or a long way back, the cluster.pl process quickly consumes all free memory and after a few seconds the whole host freezes and needs a hard re-boot.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Now – I know I could (and will) just try this with more memory – but the full crash of the host is a bit nasty. Have I missed some memory management controls somewhere? Forgive my Linux skills – they are basic!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>73,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Andy, G4PIQ<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>