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 7D41D2009EE for ; Wed, 18 May 2016 09:43:14 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 7BD1C160A00; Wed, 18 May 2016 07:43:14 +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 EA9D91609B1 for ; Wed, 18 May 2016 09:43:13 +0200 (CEST) Received: (qmail 62777 invoked by uid 500); 18 May 2016 07:43:13 -0000 Mailing-List: contact issues-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 issues@hive.apache.org Received: (qmail 62759 invoked by uid 99); 18 May 2016 07:43:13 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 May 2016 07:43:13 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id DFFD72C033A for ; Wed, 18 May 2016 07:43:12 +0000 (UTC) Date: Wed, 18 May 2016 07:43:12 +0000 (UTC) From: "Jesus Camacho Rodriguez (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-13029) NVDIMM support for LLAP Cache MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 18 May 2016 07:43:14 -0000 [ https://issues.apache.org/jira/browse/HIVE-13029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jesus Camacho Rodriguez updated HIVE-13029: ------------------------------------------- Target Version/s: 2.1.0 > NVDIMM support for LLAP Cache > ----------------------------- > > Key: HIVE-13029 > URL: https://issues.apache.org/jira/browse/HIVE-13029 > Project: Hive > Issue Type: New Feature > Components: llap > Affects Versions: 2.1.0 > Reporter: Gopal V > Assignee: Gopal V > Priority: Critical > Attachments: HIVE-13029.1.patch, HIVE-13029.2.patch > > > LLAP cache has been designed so that the cache can be offloaded easily to a pmem API without restart coherence. > The tricky part about NVDIMMs are restart coherence, while most of the cache gains can be obtained without keeping state across refreshes, since LLAP is not the system of record, HDFS is. -- This message was sent by Atlassian JIRA (v6.3.4#6332)