8fc90a23ae
Adds override to assigns and unassigns. Changes bypass 'force' to align calling the param 'override' instead. Adds recursive to 'bypass', a means of calling bypass on parent and its subprocedures (usually bypass works on leaf nodes rippling the bypass up to parent -- recursive has us work in the opposite direction): EXPERIMENTAL. bypass on an assign/unassign leaves region in RIT and the RegionStateNode loaded with the bypassed procedure. First implementation had assign/unassign cleanup leftover state. Second implementation, on feedback, keeps the state in place as a fence against other Procedures assuming the region entity, and instead adds an 'override' function that hbck2 can set on assigns/unassigns to override the fencing. Note that the below also converts ProcedureExceptions that come out of the Pv2 system into DoNotRetryIOEs. It is a little awkward because DNRIOE is in client-module, not in procedure module. Previous, we'd just keep retrying the bypass, etc. M hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/Procedure.java Have bypass take an environment like all other methods so subclasses. Fix javadoc issues. M hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java Javadoc issues. Pass environment when we invoke bypass. M hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java Rename waitUntilNamespace... etc. to align with how these method types are named elsehwere .. i.e. waitFor rather than waitUntil.. M hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.java Cleanup message we emit when we find an exisitng procedure working against this entity. Add support for a force function which allows Assigns/Unassigns force ownership of the Region entity. A hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestRegionBypass.java Test bypass and force. M hbase-shell/src/main/ruby/shell/commands/list_procedures.rb Minor cleanup of the json output... do iso8601 timestamps. |
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README.txt
This module has proto files used by core. These protos overlap with protos that are used by coprocessor endpoints (CPEP) in the module hbase-protocol. So core versions have a different name, the generated classes are relocated -- i.e. shaded -- to a new location; they are moved from org.apache.hadoop.hbase.* to org.apache.hadoop.hbase.shaded.