[ https://issues.apache.org/jira/browse/HBASE-22923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
wenbang updated HBASE-22923: ---------------------------- Description: When we downgrade the hbase version(rsgroup enable), we found that the hbase:meta table could not be assigned. {code:java} master.AssignmentManager: Failed assignment of hbase:meta,,1.1588230740 to localhost,1,1, trying to assign elsewhere instead; try=1 of 10 java.io.IOException: Call to localhost/127.0.0.1:1 failed on local exception: org.apache.hadoop.hbase.ipc.FailedServerException: This server is in the failed servers list: localhost/127.0.0.1:1 {code} hbase group list: HBASE_META group(hbase:meta and other system tables) default group 1.Down grade all servers in HBASE_META first 2.higher version servers is in default 3.hbase:meta assigned to localhost For system table, we assign them to a server with highest version. AssignmentManager#getExcludedServersForSystemTable But did not consider the rsgroup. was: When we downgrade the hbase version(rsgroup enable), we found that the hbase:meta table could not be allocated. {code:java} master.AssignmentManager: Failed assignment of hbase:meta,,1.1588230740 to localhost,1,1, trying to assign elsewhere instead; try=1 of 10 java.io.IOException: Call to localhost/127.0.0.1:1 failed on local exception: org.apache.hadoop.hbase.ipc.FailedServerException: This server is in the failed servers list: localhost/127.0.0.1:1 {code} hbase group list: HBASE_META group(hbase:meta and other system tables) default group 1.Down grade all servers in HBASE_META first 2.higher version servers is in default 3.hbase:meta assigned to localhost For system table, we assign them to a server with highest version. AssignmentManager#getExcludedServersForSystemTable But did not consider the rsgroup. > hbase:meta is assigned to localhost when we downgrade the hbase version > ----------------------------------------------------------------------- > > Key: HBASE-22923 > URL: https://issues.apache.org/jira/browse/HBASE-22923 > Project: HBase > Issue Type: Bug > Affects Versions: 1.4.8 > Reporter: wenbang > Priority: Major > > When we downgrade the hbase version(rsgroup enable), we found that the > hbase:meta table could not be assigned. > {code:java} > master.AssignmentManager: Failed assignment of hbase:meta,,1.1588230740 to > localhost,1,1, trying to assign elsewhere instead; try=1 of 10 > java.io.IOException: Call to localhost/127.0.0.1:1 failed on local exception: > org.apache.hadoop.hbase.ipc.FailedServerException: This server is in the > failed servers list: localhost/127.0.0.1:1 > {code} > hbase group list: > HBASE_META group(hbase:meta and other system tables) > default group > 1.Down grade all servers in HBASE_META first > 2.higher version servers is in default > 3.hbase:meta assigned to localhost > For system table, we assign them to a server with highest version. > AssignmentManager#getExcludedServersForSystemTable > But did not consider the rsgroup. -- This message was sent by Atlassian Jira (v8.3.2#803003)