Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 536B818E4A for ; Fri, 4 Mar 2016 05:25:41 +0000 (UTC) Received: (qmail 17745 invoked by uid 500); 4 Mar 2016 05:25:41 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 17689 invoked by uid 500); 4 Mar 2016 05:25:41 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 17676 invoked by uid 99); 4 Mar 2016 05:25:41 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 04 Mar 2016 05:25:41 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id BF8442C1F69 for ; Fri, 4 Mar 2016 05:25:40 +0000 (UTC) Date: Fri, 4 Mar 2016 05:25:40 +0000 (UTC) From: "Liu Shaohui (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-15338) Add a option to disable the data block cache for testing the performance of underlying file system 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/HBASE-15338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Liu Shaohui updated HBASE-15338: -------------------------------- Attachment: HBASE-15338-trunk-v7.diff Update the patch for [~jingcheng.du@intel.com] 's suggestion~ > Add a option to disable the data block cache for testing the performance of underlying file system > -------------------------------------------------------------------------------------------------- > > Key: HBASE-15338 > URL: https://issues.apache.org/jira/browse/HBASE-15338 > Project: HBase > Issue Type: Improvement > Components: integration tests > Reporter: Liu Shaohui > Assignee: Liu Shaohui > Priority: Minor > Fix For: 2.0.0 > > Attachments: HBASE-15338-trunk-v1.diff, HBASE-15338-trunk-v2.diff, HBASE-15338-trunk-v3.diff, HBASE-15338-trunk-v4.diff, HBASE-15338-trunk-v5.diff, HBASE-15338-trunk-v6.diff, HBASE-15338-trunk-v7.diff > > > When testing and comparing the performance of different file systems(HDFS, Azure blob storage, AWS S3 and so on) for HBase, it's better to avoid the affect of the HBase BlockCache and get the actually random read latency when data block is read from underlying file system. (Usually, the index block and meta block should be cached in memory in the testing). > So we add a option in CacheConfig to disable the data block cache. > Suggestions are welcomed~ Thanks -- This message was sent by Atlassian JIRA (v6.3.4#6332)