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authorTom Lane <tgl@sss.pgh.pa.us>2010-10-06 19:31:05 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2010-10-06 19:31:05 -0400
commit3e5f9412d0a818be77c974e5af710928097b91f3 (patch)
treea6af46a9b605ff412ac2db0be3b659cc41907546 /src/backend/executor/nodeModifyTable.c
parent9b910def24e85c1c4ff993eae0fe511271fc8682 (diff)
downloadpostgresql-3e5f9412d0a818be77c974e5af710928097b91f3.tar.gz
postgresql-3e5f9412d0a818be77c974e5af710928097b91f3.zip
Reduce the memory requirement for large ispell dictionaries.
This patch eliminates per-chunk palloc overhead for most small allocations needed in the representation of an ispell dictionary. This saves close to a factor of 2 on the current Czech ispell data. While it doesn't cover every last small allocation in the ispell code, we are at the point of diminishing returns, because about 95% of the allocations are covered already. Pavel Stehule, rather heavily revised by Tom
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