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 B1B47200B13 for ; Wed, 11 May 2016 05:56:14 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id AEF9516098A; Wed, 11 May 2016 03:56:14 +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 F09FC160A11 for ; Wed, 11 May 2016 05:56:13 +0200 (CEST) Received: (qmail 63017 invoked by uid 500); 11 May 2016 03:56:13 -0000 Mailing-List: contact dev-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 dev@flink.apache.org Received: (qmail 62984 invoked by uid 99); 11 May 2016 03:56:13 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 11 May 2016 03:56:13 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id E5CD82C033A for ; Wed, 11 May 2016 03:56:12 +0000 (UTC) Date: Wed, 11 May 2016 03:56:12 +0000 (UTC) From: "ZhengBowen (JIRA)" To: dev@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (FLINK-3897) why does jobmanager process has too many ForkJoinTask object MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 11 May 2016 03:56:14 -0000 ZhengBowen created FLINK-3897: --------------------------------- Summary: why does jobmanager process has too many ForkJoinTask object Key: FLINK-3897 URL: https://issues.apache.org/jira/browse/FLINK-3897 Project: Flink Issue Type: Improvement Reporter: ZhengBowen jmap -histo 21415 |head -10 num #instances #bytes class name ---------------------------------------------- 1: 18458230 5059213664 [C 2: 29703 1947328680 [Lscala.concurrent.forkjoin.ForkJoinTask; 3: 993331 1361835272 [B 4: 35228671 1127317472 akka.dispatch.AbstractNodeQueue$Node 5: 23123301 924932040 akka.actor.LightArrayRevolverScheduler$TaskHolder 6: 15217224 730426752 java.util.HashMap$Entry 7: 16863612 539635584 java.lang.String -- This message was sent by Atlassian JIRA (v6.3.4#6332)