Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.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 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'handler': 0.05; 'problem?': 0.07; 'remaining': 0.07; 'socket': 0.07; 'subject:application': 0.07; 'performs': 0.09; 'worse': 0.09; 'thread': 0.14; 'handling,': 0.16; 'received:172.18.0': 0.16; 'subject:Logging': 0.16; 'task.': 0.16; 'thanks,': 0.17; 'obviously': 0.18; 'module': 0.19; 'portion': 0.22; 'to:name :python-list@python.org': 0.22; 'switched': 0.24; 'header:Received:8': 0.24; 'code': 0.31; 'subject:from': 0.34; 'instances': 0.36; 'charset:us-ascii': 0.36; 'application': 0.37; 'being': 0.38; 'server': 0.38; 'filter': 0.38; 'to:addr:python- list': 0.38; 'to:addr:python.org': 0.39; 'how': 0.40; 'received:unknown': 0.61; 'simply': 0.61; 'such': 0.63; 'special': 0.74; 'console,': 0.84 X-Cloudmark-SP-Filtered: true X-Cloudmark-SP-Result: v=1.1 cv=ryrf5q5p6c4dCQYR2lAej91p2ozDt6sfPnRAuS/Q8hc= c=1 sm=1 a=-qo-AADLuRgA:10 a=7PYXob_7ZXMA:10 a=P90J6pEA2ccA:10 a=BLceEmwcHowA:10 a=kj9zAlcOel0A:10 a=xqWC_Br6kY4A:10 a=oNw28mxuUhXRB3mVwYQ4Ag==:17 a=U1EaSfPFy1oQR3hYnxIA:9 a=CjuIK1q_8ugA:10 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=activenetwerx.com; s=default; t=1391711059; bh=b9DtUns1GKAeDJBru15UjRv9PhMqQ8GyieGbuDDbBrI=; h=From:To:Subject:Date; b=0bn5hmfJCZswWGudNlBAI/VltoK+J3PKYD8syq+8UDMmzUomt/U54eqKuI5nD6qXV /Ons1Oi5oIaBYdNQLANe48WjS7czHqlPq8hf7Q2mS3kqe5WH99ZfJDJpzzOgcYHgvj GoC+eQMABrvNEe+LIL6UWiOwsD6bpi4k/W0CnTgM= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=activenetwerx.com; s=default; t=1391711059; bh=b9DtUns1GKAeDJBru15UjRv9PhMqQ8GyieGbuDDbBrI=; h=From:To:Subject:Date; b=0bn5hmfJCZswWGudNlBAI/VltoK+J3PKYD8syq+8UDMmzUomt/U54eqKuI5nD6qXV /Ons1Oi5oIaBYdNQLANe48WjS7czHqlPq8hf7Q2mS3kqe5WH99ZfJDJpzzOgcYHgvj GoC+eQMABrvNEe+LIL6UWiOwsD6bpi4k/W0CnTgM= X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.activenetwerx.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=ham version=3.3.1 From: "Joseph L. Casale" To: "python-list@python.org" Subject: Logging from a multiprocess application Thread-Topic: Logging from a multiprocess application Thread-Index: AQHPI2g5N/9yoWvf30GcQM7Csnp4Kw== Date: Thu, 6 Feb 2014 18:24:17 +0000 Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.18.0.4] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 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: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1391711131 news.xs4all.nl 2906 [2001:888:2000:d::a6]:54993 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:65548 I have a module that has one operation that benefits greatly from being mul= tiprocessed.=0A= Its a console based module and as such I have a stream handler and filter a= ssociated to=0A= the console, obviously the mp based instances need special handling, so I h= ave been=0A= experimenting with a socket server in a thread in order for the remaining a= pplication to=0A= carry on.=0A= =0A= How have others tackled this problem? The portion of the code made to use m= ultiprocessing=0A= can not be switched to threading as it performs worse than simply serializi= ng each task.=0A= =0A= Thanks,=0A= jlc=