Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 1384A10146 for ; Tue, 18 Feb 2014 18:47:55 +0000 (UTC) Received: (qmail 89570 invoked by uid 500); 18 Feb 2014 18:47:53 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 89512 invoked by uid 500); 18 Feb 2014 18:47:53 -0000 Mailing-List: contact dev-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list dev@hive.apache.org Received: (qmail 89502 invoked by uid 99); 18 Feb 2014 18:47:53 -0000 Received: from reviews-vm.apache.org (HELO reviews.apache.org) (140.211.11.40) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Feb 2014 18:47:53 +0000 Received: from reviews.apache.org (localhost [127.0.0.1]) by reviews.apache.org (Postfix) with ESMTP id 08F021C00F6; Tue, 18 Feb 2014 18:47:53 +0000 (UTC) Content-Type: multipart/alternative; boundary="===============9146991018936214966==" MIME-Version: 1.0 Subject: Re: Review Request 18200: HIVE-860 - Persistent distributed cache From: "Xuefu Zhang" To: "Xuefu Zhang" , "hive" , "Brock Noland" Date: Tue, 18 Feb 2014 18:47:53 -0000 Message-ID: <20140218184753.4362.57066@reviews.apache.org> X-ReviewBoard-URL: https://reviews.apache.org Auto-Submitted: auto-generated Sender: "Xuefu Zhang" X-ReviewGroup: hive X-ReviewRequest-URL: https://reviews.apache.org/r/18200/ X-Sender: "Xuefu Zhang" References: <20140218033650.4367.32072@reviews.apache.org> In-Reply-To: <20140218033650.4367.32072@reviews.apache.org> Reply-To: "Xuefu Zhang" X-ReviewRequest-Repository: hive-git --===============9146991018936214966== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/18200/#review34716 ----------------------------------------------------------- ql/src/java/org/apache/hadoop/hive/ql/exec/HiveAuxClasspathBuilder.java protected static member for a final class? ql/src/java/org/apache/hadoop/hive/ql/exec/mr/JarCache.java What happens if file exists in cache but is outdated? - Xuefu Zhang On Feb. 18, 2014, 3:36 a.m., Brock Noland wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/18200/ > ----------------------------------------------------------- > > (Updated Feb. 18, 2014, 3:36 a.m.) > > > Review request for hive. > > > Bugs: HIVE-860 > https://issues.apache.org/jira/browse/HIVE-860 > > > Repository: hive-git > > > Description > ------- > > Caches auxiliary jars and remote runtime jars in /user/$user/.hiveJars by their sha1 hash. This results in: > > 1) faster queries > 2) less distributed cache churn > 3) a smaller/cleaner hive-exec jar > > > Diffs > ----- > > bin/hive 3bd949f > packaging/src/main/assembly/bin.xml a97ef7d > ql/pom.xml 53d0b9e > ql/src/java/org/apache/hadoop/hive/ql/exec/HiveAuxClasspathBuilder.java PRE-CREATION > ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ExecDriver.java 288da8e > ql/src/java/org/apache/hadoop/hive/ql/exec/mr/JarCache.java PRE-CREATION > ql/src/java/org/apache/hadoop/hive/ql/exec/mr/MapRedTask.java 326654f > shims/aggregator/pom.xml 7aa8c4c > > Diff: https://reviews.apache.org/r/18200/diff/ > > > Testing > ------- > > Tested manually on a cluster. > > > Thanks, > > Brock Noland > > --===============9146991018936214966==--