[jira] [Assigned] (HIVE-21763) Incremental replication to allow changing include/exclude tables list in replication policy.
[ https://issues.apache.org/jira/browse/HIVE-21763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sankar Hariappan reassigned HIVE-21763: --- Assignee: Sankar Hariappan (was: mahesh kumar behera) > Incremental replication to allow changing include/exclude tables list in > replication policy. > > > Key: HIVE-21763 > URL: https://issues.apache.org/jira/browse/HIVE-21763 > Project: Hive > Issue Type: Sub-task > Components: repl >Reporter: Sankar Hariappan >Assignee: Sankar Hariappan >Priority: Major > Labels: DR, Replication > > - REPL DUMP takes 2 inputs along with existing FROM and WITH clause. > {code} > - REPL DUMP [REPLACE FROM > WITH ; > - current_repl_policy and previous_repl_policy can be any format mentioned in > Point-4. > - REPLACE clause to be supported to take previous repl policy as input. If > REPLACE clause is not there, then the policy remains unchanged. > - Rest of the format remains same. > {code} > - Now, REPL DUMP on this DB will replicate the tables based on > current_repl_policy. > - Single table replication of format .t1 doesn’t allow changing the > policy dynamically. So REPLACE clause is not allowed if previous_repl_policy > of this format. > - If any table is added dynamically either due to change in regular > expression or added to include list should be bootstrapped using independant > table level replication policy. > {code} > - Hive will automatically figure out the list of tables newly included in the > list by comparing the current_repl_policy & previous_repl_policy inputs and > combine bootstrap dump for added tables as part of incremental dump. > "_bootstrap" directory can be created in dump dir to accommodate all tables > to be bootstrapped. > - If any table is renamed, then it may gets dynamically added/removed for > replication based on defined replication policy + include/exclude list. So, > Hive will perform bootstrap for the table which is just included after rename. > {code} > - REPL LOAD should check for changes in repl policy and drop the tables/views > excluded in the new policy compared to previous policy. It should be done > before performing incremental and bootstrap load from the current dump. > - REPL LOAD on incremental dump should load events directories first and then > check for "_bootstrap" directory and perform bootstrap load on them. > Rename table is not in scope of this jira. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Assigned] (HIVE-21763) Incremental replication to allow changing include/exclude tables list in replication policy.
[ https://issues.apache.org/jira/browse/HIVE-21763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sankar Hariappan reassigned HIVE-21763: --- Assignee: mahesh kumar behera (was: Sankar Hariappan) > Incremental replication to allow changing include/exclude tables list in > replication policy. > > > Key: HIVE-21763 > URL: https://issues.apache.org/jira/browse/HIVE-21763 > Project: Hive > Issue Type: Sub-task > Components: repl >Reporter: Sankar Hariappan >Assignee: mahesh kumar behera >Priority: Major > Labels: DR, Replication > > - REPL DUMP takes 2 inputs along with existing FROM and WITH clause. > {code} > - REPL DUMP [REPLACE FROM > WITH ; > - current_repl_policy and previous_repl_policy can be any format mentioned in > Point-4. > - REPLACE clause to be supported to take previous repl policy as input. If > REPLACE clause is not there, then the policy remains unchanged. > - Rest of the format remains same. > {code} > - Now, REPL DUMP on this DB will replicate the tables based on > current_repl_policy. > - Single table replication of format .t1 doesn’t allow changing the > policy dynamically. So REPLACE clause is not allowed if previous_repl_policy > of this format. > - If any table is added dynamically either due to change in regular > expression or added to include list should be bootstrapped using independant > table level replication policy. > {code} > - Hive will automatically figure out the list of tables newly included in the > list by comparing the current_repl_policy & previous_repl_policy inputs and > combine bootstrap dump for added tables as part of incremental dump. > "_bootstrap" directory can be created in dump dir to accommodate all tables > to be bootstrapped. > - If any table is renamed, then it may gets dynamically added/removed for > replication based on defined replication policy + include/exclude list. So, > Hive will perform bootstrap for the table which is just included after rename. > {code} > - REPL LOAD on incremental dump should check for "_bootstrap" directory and > perform bootstrap load on them first and then continue with incremental load > based on events directories. > - REPL LOAD should check for changes in repl policy and drop the tables/views > excluded in the new policy compared to previous policy. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Assigned] (HIVE-21763) Incremental replication to allow changing include/exclude tables list in replication policy.
[ https://issues.apache.org/jira/browse/HIVE-21763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sankar Hariappan reassigned HIVE-21763: --- > Incremental replication to allow changing include/exclude tables list in > replication policy. > > > Key: HIVE-21763 > URL: https://issues.apache.org/jira/browse/HIVE-21763 > Project: Hive > Issue Type: Sub-task > Components: repl >Reporter: Sankar Hariappan >Assignee: Sankar Hariappan >Priority: Major > Labels: DR, Replication > > - REPL DUMP takes 2 inputs along with existing FROM and WITH clause. > {code} > - REPL DUMP [REPLACE FROM > WITH ; > - current_repl_policy and previous_repl_policy can be any format mentioned in > Point-4. > - REPLACE clause to be supported to take previous repl policy as input. If > REPLACE clause is not there, then the policy remains unchanged. > - Rest of the format remains same. > {code} > - Now, REPL DUMP on this DB will replicate the tables based on > current_repl_policy. > - If any table is added dynamically either due to change in regular > expression or added to include list should be bootstrapped using independant > table level replication policy. > {code} > - Hive will automatically figure out the list of tables newly included in the > list by comparing the current_repl_policy & previous_repl_policy inputs and > combine bootstrap dump for added tables as part of incremental dump. > "_bootstrap" directory can be created in dump dir to accommodate all tables > to be bootstrapped. > - If any table is renamed, then it may gets dynamically added/removed for > replication based on defined replication policy + include/exclude list. So, > Hive will perform bootstrap for the table which is just included after rename. > {code} > - REPL LOAD on incremental dump should check for "_bootstrap" directory and > perform bootstrap load on them first and then continue with incremental load > based on events directories. > - REPL LOAD should check for changes in repl policy and drop the tables/views > excluded in the new policy compared to previous policy. -- This message was sent by Atlassian JIRA (v7.6.3#76005)