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authorTom Lane <tgl@sss.pgh.pa.us>2009-08-07 22:48:34 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2009-08-07 22:48:34 +0000
commitf033f6d28b014ff21c8ed250f55062c2fb1b12e8 (patch)
treed2ad3729f10178b9343b19ba6a0f7d415803c3d6 /src/backend/utils/adt/numeric.c
parent05f43650fcf008a12dd92db4d1ae15c43046e62c (diff)
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Modify parallel pg_restore to track pending and ready items by means of
two new lists, rather than repeatedly rescanning the main TOC list. This avoids a potential O(N^2) slowdown, although you'd need a *lot* of tables to make that really significant; and it might simplify future improvements in the scheduling algorithm by making the set of ready items more easily inspectable. The original thought that it would in itself result in a more efficient job dispatch order doesn't seem to have been borne out in testing, but it seems worth doing anyway.
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