Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id EA04B200BE2 for ; Thu, 1 Dec 2016 04:17:21 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id E8B0B160B19; Thu, 1 Dec 2016 03:17:21 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 3DA9E160B13 for ; Thu, 1 Dec 2016 04:17:21 +0100 (CET) Received: (qmail 17614 invoked by uid 500); 1 Dec 2016 03:17:20 -0000 Mailing-List: contact user-help@flink.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@flink.apache.org Delivered-To: mailing list user@flink.apache.org Received: (qmail 17593 invoked by uid 99); 1 Dec 2016 03:17:20 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Dec 2016 03:17:20 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 91367180E24; Thu, 1 Dec 2016 03:17:19 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.448 X-Spam-Level: * X-Spam-Status: No, score=1.448 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, HTML_MESSAGE=2, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id yxSZ8j2pIH6h; Thu, 1 Dec 2016 03:17:19 +0000 (UTC) Received: from mail-io0-f169.google.com (mail-io0-f169.google.com [209.85.223.169]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id BCBCB5F5C7; Thu, 1 Dec 2016 03:17:18 +0000 (UTC) Received: by mail-io0-f169.google.com with SMTP id m5so254677612ioe.3; Wed, 30 Nov 2016 19:17:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=FOAw4jkTxdvIRWdP2YOxR/AX/ID9u0MqQf3+/CRWlUs=; b=qCpPAeS3p5dvVpfTAqu9bgtBYdRP5dyWpSeSnJGTqjoivxyBb86paWRhUGO4UCjL/B ZQ50qLY3ocCFZhnD3H0CSl/uo9KdxijTJg5FkCNkKcg7CGoN2qvo35gdzFmolm61tAjO ELWBHeXFdDHF7V2Wm4SeSMd93Tz5GdGgeZUoMtbOVTCuIPu4Cx+DLVDGm1C9jlFzSQDe JOCrClRqJvZz4V10Fn9khljCKmFIuMTq9o1bi6Bm0JEG3AHF4+Pr251htpl9Wa74IreF rLpVTqAoSChtMizE0FO8icP1AepLpf/8mv8aRe51xI7KKpY/FVHAA1vtES9+ZZ5OjH0C +muw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=FOAw4jkTxdvIRWdP2YOxR/AX/ID9u0MqQf3+/CRWlUs=; b=jKfeBrNXSid/4MotsFZWk9ev2HpLnAjcB73fBM5aGYSt89rQ+m1FAOza+ZOxM2SxsZ qTinoM7+2AIZsxr/e4HGc0Vvyp48XwMjyPdmRbGGlKAcS4gZ3Xkc6znegTP3uP08M7bC al/kDBmYgXsNSRbd3Xp1dCqPq3olw+bTFqqFlMJmMUhNgF4H1awIvVIf7rdCjNUpV0uq UB3zWYVATJV75+m2iN4IsT6MwHqnKj2f9EM0I8JdR8gpaqpOY9K+3h1B4wEaj+tyb+gV Fjaj5zvHgp2IKlX9j26VWnHczJK0dAlyWWCJaVee9nICQx2P3YMunwnB9LDlDfBAWaVm 4Gtw== X-Gm-Message-State: AKaTC00iwayckx1WkUoE2HLfaQmobX87XEpIhy17UttMr2VUL1OT+gxlT3UEsjgK9KO+Nlt254uWSKZepxW3bg== X-Received: by 10.107.173.9 with SMTP id w9mr12269436ioe.186.1480562221149; Wed, 30 Nov 2016 19:17:01 -0800 (PST) MIME-Version: 1.0 From: Manu Zhang Date: Thu, 01 Dec 2016 03:16:50 +0000 Message-ID: Subject: separation of JVMs for different applications To: "dev@flink.apache.org" , "user@flink.apache.org" Content-Type: multipart/alternative; boundary=001a114464364274fd05429041c7 archived-at: Thu, 01 Dec 2016 03:17:22 -0000 --001a114464364274fd05429041c7 Content-Type: text/plain; charset=UTF-8 Hi all, It seems tasks of different Flink applications can end up in the same JVM (TaskManager) in standalone mode. Isn't this fragile since errors in one application could crash another ? I checked FLIP-6 but didn't found any mention of changing it in the future. Any thoughts or have I missed anything ? Thanks, Manu Zhang --001a114464364274fd05429041c7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi all,

It seems tasks of differe= nt Flink applications can end up in the same JVM (TaskManager) in standalon= e mode. Isn't this fragile since errors in one application could crash = another ? I checked FLIP-6=C2=A0but didn't found any m= ention of changing it in the future.=C2=A0

Any thoughts = or have I missed anything ?

Thanks,
Manu= Zhang
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