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Postgres FD Implementation
Commit 71812a98 authored by Peter Eisentraut's avatar Peter Eisentraut
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From: Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>
parent b986270b
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src/backend/utils/mmgr/README
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...@@ -6,9 +6,9 @@ Notes About Memory Allocation Redesign ...@@ -6,9 +6,9 @@ Notes About Memory Allocation Redesign
Up through version 7.0, Postgres had serious problems with memory leakage Up through version 7.0, Postgres had serious problems with memory leakage
during large queries that process a lot of pass-by-reference data. There during large queries that process a lot of pass-by-reference data. There
was no provision for recycling memory until end of query. This needed to be was no provision for recycling memory until end of query. This needed to be
fixed, even more so with the advent of TOAST which will allowed very large fixed, even more so with the advent of TOAST which allows very large chunks
chunks of data to be passed around in the system. This document describes of data to be passed around in the system. This document describes the new
the new memory management system implemented in 7.1. memory management system implemented in 7.1.
Background Background
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