Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-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 B06D317765 for ; Mon, 2 Feb 2015 20:05:37 +0000 (UTC) Received: (qmail 1202 invoked by uid 500); 2 Feb 2015 20:05:35 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 1141 invoked by uid 500); 2 Feb 2015 20:05:35 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 1129 invoked by uid 99); 2 Feb 2015 20:05:35 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Feb 2015 20:05:35 +0000 Date: Mon, 2 Feb 2015 20:05:35 +0000 (UTC) From: "Arun Suresh (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-7718) DFSClient objects created by AbstractFileSystem objects created by FileContext are not closed and results in thread leakage MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-7718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arun Suresh updated HDFS-7718: ------------------------------ Attachment: HDFS-7718.1.patch [~cmccabe], Attaching initial patch as per your suggestion * Added a {{KeyProviderCache}} to the {{ClientContext}} * The {{DFSClient}} now obtains the KeyProvider from the cache. > DFSClient objects created by AbstractFileSystem objects created by FileContext are not closed and results in thread leakage > --------------------------------------------------------------------------------------------------------------------------- > > Key: HDFS-7718 > URL: https://issues.apache.org/jira/browse/HDFS-7718 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Arun Suresh > Assignee: Arun Suresh > Attachments: HDFS-7718.1.patch > > > Currently, the {{FileContext}} class used by clients such as (for eg. {{YARNRunner}}) creates a new {{AbstractFilesystem}} object on initialization.. which creates a new {{DFSClient}} object.. which in turn creates a KeyProvider object.. If Encryption is turned on, and https is turned on, the keyprovider implementation (the {{KMSClientProvider}}) will create a {{ReloadingX509TrustManager}} thread per instance... which are never killed and can lead to a thread leak -- This message was sent by Atlassian JIRA (v6.3.4#6332)