Return-Path: X-Original-To: apmail-cassandra-commits-archive@www.apache.org Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 0744918B9D for ; Wed, 28 Oct 2015 10:33:28 +0000 (UTC) Received: (qmail 86072 invoked by uid 500); 28 Oct 2015 10:33:27 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 86038 invoked by uid 500); 28 Oct 2015 10:33:27 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 86012 invoked by uid 99); 28 Oct 2015 10:33:27 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 28 Oct 2015 10:33:27 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id AEA202C1F56 for ; Wed, 28 Oct 2015 10:33:27 +0000 (UTC) Date: Wed, 28 Oct 2015 10:33:27 +0000 (UTC) From: "Benedict (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (CASSANDRA-10511) Index summary downsampling prevents mmap access of large files after restart 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/CASSANDRA-10511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14978172#comment-14978172 ] Benedict commented on CASSANDRA-10511: -------------------------------------- No, in 3.0 this is no longer a problem. > Index summary downsampling prevents mmap access of large files after restart > ---------------------------------------------------------------------------- > > Key: CASSANDRA-10511 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10511 > Project: Cassandra > Issue Type: Bug > Components: Core > Reporter: Benedict > Assignee: Ariel Weisberg > Fix For: 2.1.x, 2.2.x, 3.1 > > > {{SSTableReader.cloneWithNewSummarySampleLevel}} constructs a {{SegmentedFile.Builder}} but never populates it with any boundaries. For files larger than 2Gb, this will result in their being accessed via buffered io after a restart. -- This message was sent by Atlassian JIRA (v6.3.4#6332)