[jira] [Updated] (HBASE-18102) [SHELL] Purge close_region command that allows by-pass of Master
[ https://issues.apache.org/jira/browse/HBASE-18102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Appy updated HBASE-18102: - Resolution: Fixed Status: Resolved (was: Patch Available) > [SHELL] Purge close_region command that allows by-pass of Master > > > Key: HBASE-18102 > URL: https://issues.apache.org/jira/browse/HBASE-18102 > Project: HBase > Issue Type: Sub-task > Components: Operability, shell >Reporter: stack >Assignee: Appy > Fix For: 2.0.0, 3.0.0 > > Attachments: HBASE-18102.master.001.patch, > HBASE-18102.master.002.patch > > > In AMv2, if a RS is not aligned with Master notions of how the world is, then > the Master will kill the deviant RS (TODO: is forcing compliance via less > radical means -- but that is how it is currently). > The shell currently allows by-passing the Master to make cluster > modifications such as our being able to send a close directly to a > RegionServer for it to execute locally. This facility was used in the past to > do fix-up when Master lost account of Region locations. In the new regime, > such mis-accounting should no longer happen and, should a user mistakenly do > an explicit close against a RS, the consequences will be more than the user > bargained for; the Master will shut down the RS as soon as it reports close > of a Region the master thinks should be open (No independence allowed!). > This issue is to review shell Region and Table manipulation commands to purge > those that by-pass Master or at least to add big warning. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Updated] (HBASE-18102) [SHELL] Purge close_region command that allows by-pass of Master
[ https://issues.apache.org/jira/browse/HBASE-18102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Appy updated HBASE-18102: - Attachment: HBASE-18102.master.002.patch > [SHELL] Purge close_region command that allows by-pass of Master > > > Key: HBASE-18102 > URL: https://issues.apache.org/jira/browse/HBASE-18102 > Project: HBase > Issue Type: Sub-task > Components: Operability, shell >Reporter: stack >Assignee: Appy > Fix For: 2.0.0, 3.0.0 > > Attachments: HBASE-18102.master.001.patch, > HBASE-18102.master.002.patch > > > In AMv2, if a RS is not aligned with Master notions of how the world is, then > the Master will kill the deviant RS (TODO: is forcing compliance via less > radical means -- but that is how it is currently). > The shell currently allows by-passing the Master to make cluster > modifications such as our being able to send a close directly to a > RegionServer for it to execute locally. This facility was used in the past to > do fix-up when Master lost account of Region locations. In the new regime, > such mis-accounting should no longer happen and, should a user mistakenly do > an explicit close against a RS, the consequences will be more than the user > bargained for; the Master will shut down the RS as soon as it reports close > of a Region the master thinks should be open (No independence allowed!). > This issue is to review shell Region and Table manipulation commands to purge > those that by-pass Master or at least to add big warning. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Updated] (HBASE-18102) [SHELL] Purge close_region command that allows by-pass of Master
[ https://issues.apache.org/jira/browse/HBASE-18102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Appy updated HBASE-18102: - Fix Version/s: 3.0.0 > [SHELL] Purge close_region command that allows by-pass of Master > > > Key: HBASE-18102 > URL: https://issues.apache.org/jira/browse/HBASE-18102 > Project: HBase > Issue Type: Sub-task > Components: Operability, shell >Reporter: stack >Assignee: Appy > Fix For: 2.0.0, 3.0.0 > > Attachments: HBASE-18102.master.001.patch > > > In AMv2, if a RS is not aligned with Master notions of how the world is, then > the Master will kill the deviant RS (TODO: is forcing compliance via less > radical means -- but that is how it is currently). > The shell currently allows by-passing the Master to make cluster > modifications such as our being able to send a close directly to a > RegionServer for it to execute locally. This facility was used in the past to > do fix-up when Master lost account of Region locations. In the new regime, > such mis-accounting should no longer happen and, should a user mistakenly do > an explicit close against a RS, the consequences will be more than the user > bargained for; the Master will shut down the RS as soon as it reports close > of a Region the master thinks should be open (No independence allowed!). > This issue is to review shell Region and Table manipulation commands to purge > those that by-pass Master or at least to add big warning. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Updated] (HBASE-18102) [SHELL] Purge close_region command that allows by-pass of Master
[ https://issues.apache.org/jira/browse/HBASE-18102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Appy updated HBASE-18102: - Attachment: HBASE-18102.master.001.patch > [SHELL] Purge close_region command that allows by-pass of Master > > > Key: HBASE-18102 > URL: https://issues.apache.org/jira/browse/HBASE-18102 > Project: HBase > Issue Type: Sub-task > Components: Operability, shell >Reporter: stack >Assignee: Appy > Fix For: 2.0.0 > > Attachments: HBASE-18102.master.001.patch > > > In AMv2, if a RS is not aligned with Master notions of how the world is, then > the Master will kill the deviant RS (TODO: is forcing compliance via less > radical means -- but that is how it is currently). > The shell currently allows by-passing the Master to make cluster > modifications such as our being able to send a close directly to a > RegionServer for it to execute locally. This facility was used in the past to > do fix-up when Master lost account of Region locations. In the new regime, > such mis-accounting should no longer happen and, should a user mistakenly do > an explicit close against a RS, the consequences will be more than the user > bargained for; the Master will shut down the RS as soon as it reports close > of a Region the master thinks should be open (No independence allowed!). > This issue is to review shell Region and Table manipulation commands to purge > those that by-pass Master or at least to add big warning. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Updated] (HBASE-18102) [SHELL] Purge close_region command that allows by-pass of Master
[ https://issues.apache.org/jira/browse/HBASE-18102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Appy updated HBASE-18102: - Status: Patch Available (was: Open) > [SHELL] Purge close_region command that allows by-pass of Master > > > Key: HBASE-18102 > URL: https://issues.apache.org/jira/browse/HBASE-18102 > Project: HBase > Issue Type: Sub-task > Components: Operability, shell >Reporter: stack >Assignee: Appy > Fix For: 2.0.0 > > Attachments: HBASE-18102.master.001.patch > > > In AMv2, if a RS is not aligned with Master notions of how the world is, then > the Master will kill the deviant RS (TODO: is forcing compliance via less > radical means -- but that is how it is currently). > The shell currently allows by-passing the Master to make cluster > modifications such as our being able to send a close directly to a > RegionServer for it to execute locally. This facility was used in the past to > do fix-up when Master lost account of Region locations. In the new regime, > such mis-accounting should no longer happen and, should a user mistakenly do > an explicit close against a RS, the consequences will be more than the user > bargained for; the Master will shut down the RS as soon as it reports close > of a Region the master thinks should be open (No independence allowed!). > This issue is to review shell Region and Table manipulation commands to purge > those that by-pass Master or at least to add big warning. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
[jira] [Updated] (HBASE-18102) [SHELL] Purge close_region command that allows by-pass of Master
[ https://issues.apache.org/jira/browse/HBASE-18102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Appy updated HBASE-18102: - Summary: [SHELL] Purge close_region command that allows by-pass of Master (was: [SHELL] Purge commands that allow by-pass of Master; e.g. close of a region sent to regionserver explicitly) > [SHELL] Purge close_region command that allows by-pass of Master > > > Key: HBASE-18102 > URL: https://issues.apache.org/jira/browse/HBASE-18102 > Project: HBase > Issue Type: Sub-task > Components: Operability, shell >Reporter: stack >Assignee: Umesh Agashe > Fix For: 2.0.0 > > > In AMv2, if a RS is not aligned with Master notions of how the world is, then > the Master will kill the deviant RS (TODO: is forcing compliance via less > radical means -- but that is how it is currently). > The shell currently allows by-passing the Master to make cluster > modifications such as our being able to send a close directly to a > RegionServer for it to execute locally. This facility was used in the past to > do fix-up when Master lost account of Region locations. In the new regime, > such mis-accounting should no longer happen and, should a user mistakenly do > an explicit close against a RS, the consequences will be more than the user > bargained for; the Master will shut down the RS as soon as it reports close > of a Region the master thinks should be open (No independence allowed!). > This issue is to review shell Region and Table manipulation commands to purge > those that by-pass Master or at least to add big warning. -- This message was sent by Atlassian JIRA (v6.4.14#64029)
