From owner-freebsd-current@FreeBSD.ORG Sat Feb 14 00:53:13 2015 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B7735FB2 for ; Sat, 14 Feb 2015 00:53:13 +0000 (UTC) Received: from mail-la0-f44.google.com (mail-la0-f44.google.com [209.85.215.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 424863E8 for ; Sat, 14 Feb 2015 00:53:12 +0000 (UTC) Received: by labhs14 with SMTP id hs14so19086513lab.1 for ; Fri, 13 Feb 2015 16:53:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:cc:content-type; bh=66wUMOkKkDeaYa1KJhNQ73aul1eIv5VavItqe5/46w4=; b=RAn2t3fChsUIsnbu98D5R1Vwms8z2ObcGlKuDfnHkYv/HYUMa35JbITdAnHUpgNo/O ai0dVSjBcKGhrwKY1jGQMEdQ2Jw2u7582R00B8KJimxQOSYOTsDZMoyPJzXtl7lEXyC/ RnO+EdXGb8AlyfaYfbRmUypUYJBqLjv1iruUdK4v3ozIHEusNv7DpwMvJoPQZa2GECoH TbS28Xoc7njeMv7KeuaTfQuSlni90uUVACHZVgmcPFYUnKLk+wF4j+Qv82Y/KQ8X/njd xNlqv8obrKVhPPRIS6fd/ZAdXeUI5XxgBkG/e4D8AULrJZWaAiBrl1IRZBupt8brl7MT U3pg== MIME-Version: 1.0 X-Received: by 10.112.184.198 with SMTP id ew6mr10600582lbc.71.1423875190537; Fri, 13 Feb 2015 16:53:10 -0800 (PST) Sender: rizzo.unipi@gmail.com Received: by 10.114.79.200 with HTTP; Fri, 13 Feb 2015 16:53:10 -0800 (PST) Date: Fri, 13 Feb 2015 16:53:10 -0800 X-Google-Sender-Auth: I7b8Uz2hKD_MjYDOX_vDv_gJXro Message-ID: Subject: process checkpoint and migration support? From: Luigi Rizzo To: freebsd-current Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: Luigi Rizzo X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Feb 2015 00:53:13 -0000 Do we have any support for process checkpoint and migration on FreeBSD? I have found some code from 2010 at code.google.com/p/processmigration which works by forcing a core dump. I wonder how difficult it would be to extend it to do incremental checkpointing (to reduxe the time in which the process must be stopped during a migration). Cheers Luigi -- -----------------------------------------+------------------------------- Prof. Luigi RIZZO, rizzo@iet.unipi.it . Dip. di Ing. dell'Informazione http://www.iet.unipi.it/~luigi/ . Universita` di Pisa TEL +39-050-2211611 . via Diotisalvi 2 Mobile +39-338-6809875 . 56122 PISA (Italy) -----------------------------------------+-------------------------------