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85e2cedf

Commit 85e2cedf authored 16 years ago by Tom Lane

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Improve bulk-insert performance by keeping the current target buffer pinned

(but not locked, as that would risk deadlocks).  Also, make it work in a small
ring of buffers to avoid having bulk inserts trash the whole buffer arena.

Robert Haas, after an idea of Simon Riggs'.

parent cdc197cf

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Changes 12

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src/backend/access/heap/heapam.c 48 additions, 20 deletions

src/backend/access/heap/heapam.c
src/backend/access/heap/hio.c 70 additions, 19 deletions

src/backend/access/heap/hio.c
src/backend/access/heap/rewriteheap.c 4 additions, 2 deletions

src/backend/access/heap/rewriteheap.c
src/backend/access/heap/tuptoaster.c 9 additions, 14 deletions

src/backend/access/heap/tuptoaster.c
src/backend/commands/copy.c 11 additions, 7 deletions

src/backend/commands/copy.c
src/backend/executor/execMain.c 16 additions, 11 deletions

src/backend/executor/execMain.c
src/backend/storage/buffer/README 5 additions, 1 deletion

src/backend/storage/buffer/README
src/backend/storage/buffer/freelist.c 4 additions, 1 deletion

src/backend/storage/buffer/freelist.c
src/include/access/heapam.h 11 additions, 2 deletions

src/include/access/heapam.h
src/include/access/hio.h 19 additions, 2 deletions

src/include/access/hio.h
src/include/access/tuptoaster.h 2 additions, 2 deletions

src/include/access/tuptoaster.h
src/include/storage/bufmgr.h 2 additions, 1 deletion

src/include/storage/bufmgr.h

with 201 additions and 82 deletions

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