[jira] [Updated] (HBASE-20637) Polish the WAL switching when transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Duo Zhang updated HBASE-20637: -- Component/s: Replication > Polish the WAL switching when transiting from A to S > > > Key: HBASE-20637 > URL: https://issues.apache.org/jira/browse/HBASE-20637 > Project: HBase > Issue Type: Sub-task > Components: Replication >Reporter: Duo Zhang >Assignee: Duo Zhang >Priority: Major > Fix For: HBASE-19064 > > Attachments: HBASE-20637-HBASE-19064-v1.patch, > HBASE-20637-HBASE-19064-v2.patch, HBASE-20637-HBASE-19064-v3.patch, > HBASE-20637-HBASE-19064.patch > > > The design in HBASE-20424 implies that, when transiting from A to S, the RS > will abort and the WAL file will be split. > But in fact, there could be races that make a RS still alive after the > transiting which causes data inconsistency. And also, a full cluster restart > is expensive, we need to find a more smooth way. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (HBASE-20637) Polish the WAL switching when transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Duo Zhang updated HBASE-20637: -- Resolution: Fixed Hadoop Flags: Reviewed Status: Resolved (was: Patch Available) > Polish the WAL switching when transiting from A to S > > > Key: HBASE-20637 > URL: https://issues.apache.org/jira/browse/HBASE-20637 > Project: HBase > Issue Type: Sub-task > Components: Replication >Reporter: Duo Zhang >Assignee: Duo Zhang >Priority: Major > Fix For: HBASE-19064 > > Attachments: HBASE-20637-HBASE-19064-v1.patch, > HBASE-20637-HBASE-19064-v2.patch, HBASE-20637-HBASE-19064-v3.patch, > HBASE-20637-HBASE-19064.patch > > > The design in HBASE-20424 implies that, when transiting from A to S, the RS > will abort and the WAL file will be split. > But in fact, there could be races that make a RS still alive after the > transiting which causes data inconsistency. And also, a full cluster restart > is expensive, we need to find a more smooth way. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (HBASE-20637) Polish the WAL switching when transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Duo Zhang updated HBASE-20637: -- Attachment: HBASE-20637-HBASE-19064-v3.patch > Polish the WAL switching when transiting from A to S > > > Key: HBASE-20637 > URL: https://issues.apache.org/jira/browse/HBASE-20637 > Project: HBase > Issue Type: Sub-task >Reporter: Duo Zhang >Assignee: Duo Zhang >Priority: Major > Fix For: HBASE-19064 > > Attachments: HBASE-20637-HBASE-19064-v1.patch, > HBASE-20637-HBASE-19064-v2.patch, HBASE-20637-HBASE-19064-v3.patch, > HBASE-20637-HBASE-19064.patch > > > The design in HBASE-20424 implies that, when transiting from A to S, the RS > will abort and the WAL file will be split. > But in fact, there could be races that make a RS still alive after the > transiting which causes data inconsistency. And also, a full cluster restart > is expensive, we need to find a more smooth way. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (HBASE-20637) Polish the WAL switching when transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Duo Zhang updated HBASE-20637: -- Attachment: HBASE-20637-HBASE-19064-v2.patch > Polish the WAL switching when transiting from A to S > > > Key: HBASE-20637 > URL: https://issues.apache.org/jira/browse/HBASE-20637 > Project: HBase > Issue Type: Sub-task >Reporter: Duo Zhang >Assignee: Duo Zhang >Priority: Major > Fix For: HBASE-19064 > > Attachments: HBASE-20637-HBASE-19064-v1.patch, > HBASE-20637-HBASE-19064-v2.patch, HBASE-20637-HBASE-19064.patch > > > The design in HBASE-20424 implies that, when transiting from A to S, the RS > will abort and the WAL file will be split. > But in fact, there could be races that make a RS still alive after the > transiting which causes data inconsistency. And also, a full cluster restart > is expensive, we need to find a more smooth way. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (HBASE-20637) Polish the WAL switching when transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Duo Zhang updated HBASE-20637: -- Attachment: HBASE-20637-HBASE-19064-v1.patch > Polish the WAL switching when transiting from A to S > > > Key: HBASE-20637 > URL: https://issues.apache.org/jira/browse/HBASE-20637 > Project: HBase > Issue Type: Sub-task >Reporter: Duo Zhang >Assignee: Duo Zhang >Priority: Major > Fix For: HBASE-19064 > > Attachments: HBASE-20637-HBASE-19064-v1.patch, > HBASE-20637-HBASE-19064.patch > > > The design in HBASE-20424 implies that, when transiting from A to S, the RS > will abort and the WAL file will be split. > But in fact, there could be races that make a RS still alive after the > transiting which causes data inconsistency. And also, a full cluster restart > is expensive, we need to find a more smooth way. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (HBASE-20637) Polish the WAL switching when transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Duo Zhang updated HBASE-20637: -- Assignee: Duo Zhang Fix Version/s: HBASE-19064 Status: Patch Available (was: Open) No UT yet. Let me think how to write a UT... > Polish the WAL switching when transiting from A to S > > > Key: HBASE-20637 > URL: https://issues.apache.org/jira/browse/HBASE-20637 > Project: HBase > Issue Type: Sub-task >Reporter: Duo Zhang >Assignee: Duo Zhang >Priority: Major > Fix For: HBASE-19064 > > Attachments: HBASE-20637-HBASE-19064.patch > > > The design in HBASE-20424 implies that, when transiting from A to S, the RS > will abort and the WAL file will be split. > But in fact, there could be races that make a RS still alive after the > transiting which causes data inconsistency. And also, a full cluster restart > is expensive, we need to find a more smooth way. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (HBASE-20637) Polish the WAL switching when transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Duo Zhang updated HBASE-20637: -- Attachment: HBASE-20637-HBASE-19064.patch > Polish the WAL switching when transiting from A to S > > > Key: HBASE-20637 > URL: https://issues.apache.org/jira/browse/HBASE-20637 > Project: HBase > Issue Type: Sub-task >Reporter: Duo Zhang >Priority: Major > Attachments: HBASE-20637-HBASE-19064.patch > > > The design in HBASE-20424 implies that, when transiting from A to S, the RS > will abort and the WAL file will be split. > But in fact, there could be races that make a RS still alive after the > transiting which causes data inconsistency. And also, a full cluster restart > is expensive, we need to find a more smooth way. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
