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New HasMigrationFilter is used in the Manager to filter out tablet metadata that does not have a migration column or an empty one. Server side filtering on this condition should speed up Manager.partitionMigrations by only returning tablet metadata with a migration to the Manager for partitioning.

Related to #5520

New HasMigrationFilter is used in the Manager to filter out
tablet metadata that does not have a migration column or
an empty one. Server side filtering on this condition should
speed up Manager.partitionMigrations by only returning
tablet metadata with a migration to the Manager for partitioning.

Related to apache#5520
@dlmarion dlmarion added this to the 4.0.0 milestone May 30, 2025
@dlmarion dlmarion self-assigned this May 30, 2025
@dlmarion dlmarion merged commit e9c9f47 into apache:main Jun 3, 2025
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@dlmarion dlmarion deleted the 5520-opimtize-migrations-lookup branch June 3, 2025 18:36
kevinrr888 added a commit to kevinrr888/accumulo that referenced this pull request Jun 12, 2025
Related to apache#5520 and apache#5604

Applies the HasMigrationFilter in more places (now applied everywhere we
are getting migrations in Manager), remove the checks for a null
migration (handled by the filter), bug fix for one location not fetching
the LOCATION column when it needs to.
kevinrr888 added a commit that referenced this pull request Jun 13, 2025
* Migrations access related improvements

Related to #5520 and #5604

Applies the HasMigrationFilter in more places (now applied everywhere we
are getting migrations in Manager), remove the checks for a null
migration (handled by the filter), fix for one location fetching
the PREV_ROW column when it didn't need to.
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2 participants