Hi! > 19 июля 2018 г., в 1:12, Heikki Linnakangas <hlinn...@iki.fi> написал(а): > > Yeah, please, I think this is the way to go.
Here's v11 divided into proposed steps. In second step I still use paloc's memory, but only to store two bitmaps: bitmap of internal pages and bitmap of empty leafs. Second physical scan only reads internal pages. I can omit that bitmap, if I'll scan everything. Also, I can replace emptyLeafs bitmap with array\list, but I do not really think it will be big. Anyway I propose focusing on first step. Best regards, Andrey Borodin.
0002-Delete-pages-during-GiST-VACUUM-v11.patch
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0001-Physical-GiST-scan-in-VACUUM-v11.patch
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