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authorAmit Kapila <akapila@postgresql.org>2021-01-13 07:46:11 +0530
committerAmit Kapila <akapila@postgresql.org>2021-01-13 07:46:11 +0530
commitbea449c635c0e68e21610593594c1e5d52842cdd (patch)
tree3bb08390afd7bbcc4f846b3cfa96efd2dc24f05c /src/tutorial/advanced.source
parentfce7d0e6efbef304e81846c75eddf73099628d10 (diff)
downloadpostgresql-bea449c635c0e68e21610593594c1e5d52842cdd.tar.gz
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Optimize DropRelFileNodesAllBuffers() for recovery.
Similar to commit d6ad34f341, this patch optimizes DropRelFileNodesAllBuffers() by avoiding the complete buffer pool scan and instead find the buffers to be invalidated by doing lookups in the BufMapping table. This optimization helps operations where the relation files need to be removed like Truncate, Drop, Abort of Create Table, etc. Author: Kirk Jamison Reviewed-by: Kyotaro Horiguchi, Takayuki Tsunakawa, and Amit Kapila Tested-By: Haiying Tang Discussion: https://postgr.es/m/OSBPR01MB3207DCA7EC725FDD661B3EDAEF660@OSBPR01MB3207.jpnprd01.prod.outlook.com
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