Return-Path: X-Original-To: apmail-geode-issues-archive@minotaur.apache.org Delivered-To: apmail-geode-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E9FE318C0F for ; Sat, 27 Feb 2016 01:06:35 +0000 (UTC) Received: (qmail 94988 invoked by uid 500); 27 Feb 2016 01:06:20 -0000 Delivered-To: apmail-geode-issues-archive@geode.apache.org Received: (qmail 94925 invoked by uid 500); 27 Feb 2016 01:06:20 -0000 Mailing-List: contact issues-help@geode.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@geode.incubator.apache.org Delivered-To: mailing list issues@geode.incubator.apache.org Received: (qmail 94832 invoked by uid 99); 27 Feb 2016 01:06:20 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 27 Feb 2016 01:06:20 +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 7D6AFC1174 for ; Sat, 27 Feb 2016 01:06:20 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -3.221 X-Spam-Level: X-Spam-Status: No, score=-3.221 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, KAM_LAZY_DOMAIN_SECURITY=1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id 3cNfpnGyrtbS for ; Sat, 27 Feb 2016 01:06:19 +0000 (UTC) Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with SMTP id 03BE15FB25 for ; Sat, 27 Feb 2016 01:06:18 +0000 (UTC) Received: (qmail 92385 invoked by uid 99); 27 Feb 2016 01:06:18 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 27 Feb 2016 01:06:18 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 130AB2C033A for ; Sat, 27 Feb 2016 01:06:18 +0000 (UTC) Date: Sat, 27 Feb 2016 01:06:18 +0000 (UTC) From: "ASF subversion and git services (JIRA)" To: issues@geode.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (GEODE-996) OffheapStats - fragmentation percentage calculation has to be revisited. 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/GEODE-996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15170221#comment-15170221 ] ASF subversion and git services commented on GEODE-996: ------------------------------------------------------- Commit f15010cf6996e7d82c27ee9573e708182d061a80 in incubator-geode's branch refs/heads/feature/GEODE-996 from [~sboorlagadda] [ https://git-wip-us.apache.org/repos/asf?p=incubator-geode.git;h=f15010c ] GEODE-996: OffheapStats - fragmentation percentage calculation has to be revisited. > OffheapStats - fragmentation percentage calculation has to be revisited. > ------------------------------------------------------------------------ > > Key: GEODE-996 > URL: https://issues.apache.org/jira/browse/GEODE-996 > Project: Geode > Issue Type: Bug > Components: docs, offheap > Reporter: Sai Boorlagadda > Assignee: Sai Boorlagadda > > Fragmentation calculation is not correct before compaction or even after compaction if the largest fragment is >= MAX_SLAB_SIZE. > Currently the fragmentation is calculated as below. > {quote} > FS - LF > ----------- * 100 > FS > FS: Free space found during compaction > LF: Largest fragment found during compaction > {quote} > eg: > For a free space of 100G and largest fragment = 2G (MAX_SLAB_SIZE) > Fragmentation = (100G - 2G / 100G) * 100 ~ 98% (where as we want it to be close to 0 as the free space is not fragmented) -- This message was sent by Atlassian JIRA (v6.3.4#6332)