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Hadoop QA commented on HBASE-16392: ----------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 20m 4s {color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s {color} | {color:green} Patch does not have any anti-patterns. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color} | {color:green} The patch appears to include 1 new or modified test files. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 36s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 36s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 46s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 14s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 38s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 39s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 34s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 34s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 43s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 26m 40s {color} | {color:green} Patch does not cause any errors with Hadoop 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha2. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 54s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 114m 13s {color} | {color:green} hbase-server in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 34s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 173m 39s {color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=1.13.1 Server=1.13.1 Image:yetus/hbase:757bf37 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12870424/HBASE-16392-v2.patch | | JIRA Issue | HBASE-16392 | | Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck hbaseanti checkstyle compile | | uname | Linux c5f8c102d858 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh | | git revision | master / 6846b03 | | Default Java | 1.8.0_131 | | findbugs | v3.0.0 | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/7002/testReport/ | | modules | C: hbase-server U: hbase-server | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/7002/console | | Powered by | Apache Yetus 0.3.0 http://yetus.apache.org | This message was automatically generated. > Backup delete fault tolerance > ----------------------------- > > Key: HBASE-16392 > URL: https://issues.apache.org/jira/browse/HBASE-16392 > Project: HBase > Issue Type: Sub-task > Reporter: Vladimir Rodionov > Assignee: Vladimir Rodionov > Labels: backup > Fix For: 2.0.0 > > Attachments: HBASE-16392-v1.patch, HBASE-16392-v2.patch > > > Backup delete modified file system and backup system table. We have to make > sure that operation is atomic, durable and isolated. > Delete operation: > # Start backup session (this guarantees) that system will be blocked for all > backup commands during delete operation > # Save list of tables being deleted to system table > # Before delete operation we take backup system table snapshot > # During delete operation we detect any failures and restore backup system > table from snapshot, then finish backup session > # To guarantee consistency of the data, delete operation MUST be repeated > # We guarantee that all file delete operations are idempotent, can be > repeated multiple times > # Any backup operations will be blocked until consistency is restored > # To restore consistency, repair command must be executed. > # Repair command checks if there is failed delete op in a backup system > table, and repeats delete operation -- This message was sent by Atlassian JIRA (v6.3.15#6346)