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Reindexação Automática em SGBDs Relacionais

Eduardo MorelliJosé Maria MonteiroAna Carolina AlmeidaSérgio Lifschitz

We propose a solution to the automatic and online reindex problem. The proposed mechanism runs continuously and with almost no human intervention. The adopted strategy is based on ad-hoc heuristics that monitor the index fragmentation level and, when necessary, reindex it automatically. We have actually implemented our ideas within the PostgreSQL DBMS code. Practical performance tests show the effectiveness of our approach.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbbd/2009/003.pdf

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