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It does not give significant benefit, but now, you hashed/sparse_hashed dictionaries can be filled in parallel (#40003), using sharded dictionaries, and this should be used instead of PREALLOCATE. Note, that dictionaries, that had been created with PREALLOCATE will work, but simply ignore this attribute. Fixes: #41985 (cc @alexey-milovidov) Reverts: #23979 (cc @kitaisreal) Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
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83 B
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2 lines
83 B
Plaintext
HashedDictionary: 'prellocate' attribute is obsolete, consider looking at 'shards'
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