Hi, This is my first proposal of PITR performance improvement for PostgreSQL 8.4 development. This proposal includes readahead mechanism of data pages which will be read by redo() routines in the recovery. This is especially effective in the recovery without full page write. Readahead is done by posix_fadvise() as proposed in index scan improvement.
Details of the implementation will be found in README file in the material. -- ------ Koichi Suzuki
pg_readahead_20081028.tar.gz
Description: GNU Zip compressed data
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