From issues-return-174348-apmail-flink-issues-archive=flink.apache.org@flink.apache.org Mon Jul 2 11:23:02 2018 Return-Path: X-Original-To: apmail-flink-issues-archive@minotaur.apache.org Delivered-To: apmail-flink-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 4A19C17C33 for ; Mon, 2 Jul 2018 11:23:02 +0000 (UTC) Received: (qmail 56041 invoked by uid 500); 2 Jul 2018 11:23:02 -0000 Delivered-To: apmail-flink-issues-archive@flink.apache.org Received: (qmail 56002 invoked by uid 500); 2 Jul 2018 11:23:02 -0000 Mailing-List: contact issues-help@flink.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@flink.apache.org Delivered-To: mailing list issues@flink.apache.org Received: (qmail 55993 invoked by uid 99); 2 Jul 2018 11:23:02 -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; Mon, 02 Jul 2018 11:23:02 +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 C08B1185116 for ; Mon, 2 Jul 2018 11:23:01 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -109.511 X-Spam-Level: X-Spam-Status: No, score=-109.511 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, KAM_ASCII_DIVIDERS=0.8, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_SPF_WL=-7.5, USER_IN_WHITELIST=-100] autolearn=disabled 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 gb-xn8NJAQ6z for ; Mon, 2 Jul 2018 11:23:01 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id DF0C65F582 for ; Mon, 2 Jul 2018 11:23:00 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 5FC18E0DAA for ; Mon, 2 Jul 2018 11:23:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 281552183B for ; Mon, 2 Jul 2018 11:23:00 +0000 (UTC) Date: Mon, 2 Jul 2018 11:23:00 +0000 (UTC) From: "ASF GitHub Bot (JIRA)" To: issues@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (FLINK-9636) Network buffer leaks in requesting a batch of segments during canceling MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/FLINK-9636?page=3Dcom.atlassia= n.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated FLINK-9636: ---------------------------------- Labels: pull-request-available (was: ) > Network buffer leaks in requesting a batch of segments during canceling > ----------------------------------------------------------------------- > > Key: FLINK-9636 > URL: https://issues.apache.org/jira/browse/FLINK-9636 > Project: Flink > Issue Type: Bug > Components: Network > Affects Versions: 1.5.0, 1.6.0 > Reporter: zhijiang > Priority: Major > Labels: pull-request-available > Fix For: 1.5.1 > > > In {{NetworkBufferPool#requestMemorySegments}},=C2=A0{{numTotalRequiredBu= ffers}} is increased by {{numRequiredBuffers}} first. > If=C2=A0{{InterruptedException}}=C2=A0is thrown during polling segments f= rom the available queue, the requested segments will be recycled back to {{= NetworkBufferPool}},=C2=A0{{numTotalRequiredBuffers}} is decreased by the n= umber=C2=A0of polled segments which is now inconsistent with {{numRequiredB= uffers}}. So {{numTotalRequiredBuffers}}=C2=A0in {{NetworkBufferPool}}=C2= =A0leaks in this case, and we can also decrease {{numRequiredBuffers}} to= =C2=A0fix this bug. > =C2=A0 -- This message was sent by Atlassian JIRA (v7.6.3#76005)