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 846C5108D3 for ; Fri, 16 Aug 2013 13:05:49 +0000 (UTC) Received: (qmail 11177 invoked by uid 500); 16 Aug 2013 13:05:49 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 11131 invoked by uid 500); 16 Aug 2013 13:05:48 -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 11114 invoked by uid 99); 16 Aug 2013 13:05:48 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 16 Aug 2013 13:05:48 +0000 Date: Fri, 16 Aug 2013 13:05:48 +0000 (UTC) From: "Matteo Bertozzi (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-8760) possible loss of data in snapshot taken after region split 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-8760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Matteo Bertozzi updated HBASE-8760: ----------------------------------- Attachment: HBASE-8760-0.94-v7.patch HBASE-8760-trunk-v7.patch > possible loss of data in snapshot taken after region split > ---------------------------------------------------------- > > Key: HBASE-8760 > URL: https://issues.apache.org/jira/browse/HBASE-8760 > Project: HBase > Issue Type: Bug > Components: snapshots > Affects Versions: 0.94.8, 0.95.1 > Reporter: Jerry He > Fix For: 0.98.0, 0.94.12, 0.96.0 > > Attachments: HBase-8760-0.94.8.patch, HBase-8760-0.94.8-v1.patch, HBASE-8760-0.94-v4.patch, HBASE-8760-0.94-v5.patch, HBASE-8760-0.94-v6.patch, HBASE-8760-0.94-v7.patch, HBASE-8760-0.94-v7.patch, HBASE-8760-thz-v0.patch, HBASE-8760-trunk-v7.patch, HBASE-8760-v4.patch, v4-patch-testing-0.94.zip, v4-patch-testing-0.95.2.zip > > > Right after a region split but before the daughter regions are compacted, we have two daughter regions containing Reference files to the parent hfiles. > If we take snapshot right at the moment, the snapshot will succeed, but it will only contain the daughter Reference files. Since there is no hold on the parent hfiles, they will be deleted by the HFile Cleaner after they are no longer needed by the daughter regions soon after. > A minimum we need to do is the keep these parent hfiles from being deleted. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira