Return-Path: X-Original-To: apmail-hbase-dev-archive@www.apache.org Delivered-To: apmail-hbase-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 6484818B2C for ; Wed, 3 Feb 2016 02:03:19 +0000 (UTC) Received: (qmail 74489 invoked by uid 500); 3 Feb 2016 02:03:18 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 74381 invoked by uid 500); 3 Feb 2016 02:03:18 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 74369 invoked by uid 99); 3 Feb 2016 02:03:18 -0000 Received: from Unknown (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 03 Feb 2016 02:03:18 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id B18AFC1A26 for ; Wed, 3 Feb 2016 02:03:17 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.179 X-Spam-Level: * X-Spam-Status: No, score=1.179 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd1-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-us-east.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id 3sOEnmZuH8pB for ; Wed, 3 Feb 2016 02:03:17 +0000 (UTC) Received: from mail-ig0-f177.google.com (mail-ig0-f177.google.com [209.85.213.177]) by mx1-us-east.apache.org (ASF Mail Server at mx1-us-east.apache.org) with ESMTPS id BA066429E2 for ; Wed, 3 Feb 2016 02:03:16 +0000 (UTC) Received: by mail-ig0-f177.google.com with SMTP id hb3so815270igb.0 for ; Tue, 02 Feb 2016 18:03:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=QryfLc6nL/TLoYc1Lu376m2Aw9jP1cI9fCUTvoBKDKU=; b=T45STr/+QTMnUTQzKpjAPKDjY/gNg1ppQpG7MmFT2gaG42sEO4V2g7uY1VEqmp2g5c IHWRq0YYCyruaXgXpbvYs3mnNLDLI9EX3RiJrS2Q1EO94vi9By4DcM3wHyGvQ42rr2sQ 01hDVMU2vm/iC4qN8Ke+W+HWgfrle/C/YJcpKmVGzGJ7TVz9mnZR2g+6GJ7FPjcMW5IV CMyB/sEC0yN3B96y7dgsSOgM8f/NpVdCFKAS2nXN98kXdnB4K8heuWFYjfGdm4kVaRdi jM3AW0M8pz1ZtTaRvRwXU80059NkfzgpJ/Ntm7QhvRb2NsGHbV3VDy4Tk3AaL6KatR9R LSjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to :content-type; bh=QryfLc6nL/TLoYc1Lu376m2Aw9jP1cI9fCUTvoBKDKU=; b=S5WEPVi6lau8YNY21QYtMS2JzL3ov6YwOEITVYGvEQwHrN3FY8+tbPCYjxYE7/Dyml 7Ggeakvq+ZvwlDjN0EzyBkZtzI39/3BKk6oQCUNHPaiZkh661MoHdhjLBKsebvJRU7N7 4OEVvNzpRfHRMy3Pe7jsFu1vVdd9uJQ0nS+VTgGQckimkZbtjRfLDTTXfNebNaMummWB DsS8nMM8i9adV9+kprp24XHPPUV2a5oCjupuCLJ1bZRHsHKhGUnMZULWK5sqYC8deIrR wpAAQFuvFzFZ0+HYLGOcuU+YmEPGMDc+KK4QNZlmxEOFZZP3LgBKnbusrIHJwZEG9/qy HVZg== X-Gm-Message-State: AG10YOQ7OKOkKjz76U26rwx5rfyFEob19o3bclLNPoBdoL5j6gtxGPGcjRmdM50xxhE70GL5XUmIfQE9pGMB/g== X-Received: by 10.50.143.10 with SMTP id sa10mr950844igb.91.1454464996421; Tue, 02 Feb 2016 18:03:16 -0800 (PST) MIME-Version: 1.0 From: Jesse Yates Date: Wed, 03 Feb 2016 02:03:07 +0000 Message-ID: Subject: integration with HDFS centralized caching To: "dev@hbase.apache.org" Content-Type: multipart/alternative; boundary=001a1135fe9a73360b052ad405dd --001a1135fe9a73360b052ad405dd Content-Type: text/plain; charset=UTF-8 Hey all, I poked around a bit in the archives and in JIRA (as well as random googling) but couldn't seem to find anything about any integration HBase is doing with the "new" centralized caching in HDFS . I was thinking something like integrating it as another option like the BlockCache's InMemoryTable, but instead letting HDFS mmap the file. Any pointers to JIRAs I missed would also be appreciated. Thanks, Jesse --001a1135fe9a73360b052ad405dd--