Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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None
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None
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None
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Reviewed
Description
I saw the deleteFromMeta() method in DeleteTableProcedure & TruncateTableProcedure:
protected static void deleteFromMeta(final MasterProcedureEnv env, final TableName tableName, List<RegionInfo> regions) throws IOException { MetaTableAccessor.deleteRegions(env.getMasterServices().getConnection(), regions); // Clean any remaining rows for this table. cleanAnyRemainingRows(env, tableName); // clean region references from the server manager env.getMasterServices().getServerManager().removeRegions(regions); // Clear Favored Nodes for this table FavoredNodesManager fnm = env.getMasterServices().getFavoredNodesManager(); if (fnm != null) { fnm.deleteFavoredNodesForRegions(regions); } }
1. deleteRegions : delete the info column family first;
2. cleanAnyRemainingRows : delete the whole row for regions then.
In fact, we can only change to delete the whole row, no need the extra info cf deletion any more.
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