Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!us.feeder.erje.net!feeder.erje.net!eu.feeder.erje.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed2a.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.052 X-Spam-Evidence: '*H*': 0.90; '*S*': 0.00; 'cc:addr:python-list': 0.11; 'expert.': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'mean,': 0.16; 'process?': 0.16; 'subject:based': 0.16; 'wrote:': 0.18; 'written': 0.21; 'cc:addr:python.org': 0.22; 'cc:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'am,': 0.29; "doesn't": 0.30; 'message-id:@mail.gmail.com': 0.30; "i'm": 0.30; 'that.': 0.31; 'file': 0.32; 'stuff': 0.32; 'guess': 0.33; 'problem.': 0.35; 'but': 0.35; 'received:google.com': 0.35; '14,': 0.36; 'possible': 0.36; 'application': 0.37; 'sure': 0.39; 'within': 0.65; '2015': 0.84; 'subject:looking': 0.91; 'to:none': 0.92 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type; bh=XiZmWjjAFkxVxz4qqoWc4ODn+fLPr7TbdD4j1W5spl8=; b=TBcGggmVqHUmwiURCb2WrG95c4UfOJB4mhnKRLwPyQdGC0m8EW1Y0TX/gkEAqItObJ Eu38Rqz7Ohw2FcpkXFYIut5wv0/9Ng4Dgyqhym50VHLMwXSVBCEdYH4FjgU95o2qSsQF 2v8HBpRuxiyd9E8YzHI/1qbs/hvxkw35jnc/edoUcPLdh2NplDSIpK36jdc5ePOn+k2a pDMc24po7+muBQHkNSu3U9R4BTKoJ7IMHmFZHiKp895+VYIKgEFLvJEkbdj46YCm2WXy BpHMBVhPyRBiSxTefXFzDsaZPLz8Y23iN6D+lECWx+JGeEnFjVjs1HWPEFSTDIH7F1p1 vHIQ== MIME-Version: 1.0 X-Received: by 10.50.9.97 with SMTP id y1mr21475893iga.34.1428984311152; Mon, 13 Apr 2015 21:05:11 -0700 (PDT) In-Reply-To: References: Date: Tue, 14 Apr 2015 14:05:11 +1000 Subject: Re: Pickle based workflow - looking for advice From: Chris Angelico Cc: "python-list@python.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 10 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1428984319 news.xs4all.nl 2940 [2001:888:2000:d::a6]:45804 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:88939 On Tue, Apr 14, 2015 at 3:35 AM, Fabien wrote: > With multiprocessing, do I have to care about processes writing > simultaneously in *different* files? I guess the OS takes good care of this > stuff but I'm not an expert. Not sure what you mean, here. Any given file will be written by exactly one process? No possible problem. Multiprocessing within one application doesn't change that. ChrisA