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 C1D6D200C28 for ; Mon, 13 Mar 2017 17:22:33 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id C075D160B8B; Mon, 13 Mar 2017 16:22:33 +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 118BF160B60 for ; Mon, 13 Mar 2017 17:22:32 +0100 (CET) Received: (qmail 7320 invoked by uid 500); 13 Mar 2017 16:22:10 -0000 Mailing-List: contact dev-help@zookeeper.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@zookeeper.apache.org Delivered-To: mailing list dev@zookeeper.apache.org Received: (qmail 5842 invoked by uid 99); 13 Mar 2017 16:22:09 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 Mar 2017 16:22:09 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 8B85CCB1E0 for ; Mon, 13 Mar 2017 16:22:08 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.451 X-Spam-Level: * X-Spam-Status: No, score=1.451 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_NEUTRAL=0.652] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id TpUsNLWarkxj for ; Mon, 13 Mar 2017 16:22:07 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id CE7AF60D8C for ; Mon, 13 Mar 2017 16:22:04 +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 ED63CE0DF0 for ; Mon, 13 Mar 2017 16:21:59 +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 DDBF8243B6 for ; Mon, 13 Mar 2017 16:21:58 +0000 (UTC) Date: Mon, 13 Mar 2017 16:21:58 +0000 (UTC) From: "Michael Han (JIRA)" To: dev@zookeeper.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (ZOOKEEPER-2615) Zookeeper server holds onto dead/expired session ids in the watch data structures MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Mon, 13 Mar 2017 16:22:33 -0000 [ https://issues.apache.org/jira/browse/ZOOKEEPER-2615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Michael Han updated ZOOKEEPER-2615: ----------------------------------- Fix Version/s: (was: 3.4.11) (was: 3.5.3) 3.5.4 > Zookeeper server holds onto dead/expired session ids in the watch data structures > --------------------------------------------------------------------------------- > > Key: ZOOKEEPER-2615 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2615 > Project: ZooKeeper > Issue Type: Bug > Components: server > Affects Versions: 3.4.6 > Reporter: guoping.gp > Assignee: Camille Fournier > Fix For: 3.5.4, 3.6.0 > > > The same issue (https://issues.apache.org/jira/browse/ZOOKEEPER-1382) still can be found even with zookeeper 3.4.6. > this issue cause our production zookeeper cluster leak about 1 million watchs, after restart the server one by one, the watch count decrease to only about 40000. > I can reproduce the issue on my mac,here it is: > ------------------------------------------------------------------------ > pguodeMacBook-Air:bin pguo$ echo srvr | nc localhost 6181 > Zookeeper version: 3.4.6-1569965, built on 02/20/2014 09:09 GMT > Latency min/avg/max: 0/1156/128513 > Received: 539 > Sent: 531 > Connections: 1 > Outstanding: 0 > Zxid: 0x100000037 > Mode: follower > Node count: 5 > ------------------------ > pguodeMacBook-Air:bin pguo$ echo cons | nc localhost 6181 > /127.0.0.1:55759[1](queued=0,recved=5,sent=5,sid=0x157be2732d0000e,lop=PING,est=1476372631116,to=15000,lcxid=0x1,lzxid=0xffffffffffffffff,lresp=1476372646260,llat=8,minlat=0,avglat=6,maxlat=17) > /0:0:0:0:0:0:0:1:55767[0](queued=0,recved=1,sent=0) > ------------------------ > pguodeMacBook-Air:bin pguo$ echo wchp | nc localhost 6181 > /curator_exists_watch > 0x357be48e4d90007 > 0x357be48e4d90009 > 0x157be2732d0000e > as above 4-letter's report shows, 0x357be48e4d90007 and 0x357be48e4d90009 are leaked after the two sessions expired -- This message was sent by Atlassian JIRA (v6.3.15#6346)