Switches to String-based migration partitioning #5359
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Move all the partitioned migration code into a separate class to cleanup the Manager code. Co-authored-by: Keith Turner <kturner@apache.org>
Previously the balancer code would track migrations based on a DataLevel partition. However, there are cases where a subset of tablets could be handled by a sub-balancer. This change supports separating the tablets by a String value which allows for more flexibility. Co-authored-by: Keith Turner <kturner@apache.org>
Changes the MetaDataTableScanner to pull migrationSnapshot data based on the datalevel of the target table.
cshannon
reviewed
Feb 28, 2025
...ava/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancerReconfigurationTest.java
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…egexTableLoadBalancerReconfigurationTest.java Co-authored-by: Christopher L. Shannon <cshannon@apache.org>
Use the .Name() method for the DataLevel vs a hardcoded string value
Removed the RootTabletStateStore as the addition of DataLevels has removed the need for specifying a different table name for the MetaDataTableScanner.
keith-turner
approved these changes
Mar 7, 2025
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Merged cleanly into 2.1 and 3.1. |
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Adds a new Migrations class to help simplify the manager code.
Also replaces DataLevel migration partitioning with a String value to allow for better user extensibility.
This PR is another subset of changes from #5195