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perf: use Vec::with_capacity and reserve_exact (#11904)

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nk_ysg
2024-10-21 19:59:09 +08:00
committed by GitHub
parent aba4991d0a
commit f25cceb9f9
13 changed files with 22 additions and 17 deletions
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2
crates/storage/nippy-jar/src/compression/zstd.rs
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@ -213,7 +213,7 @@ impl Compression for Zstd {
return Err(NippyJarError::ColumnLenMismatch(self.columns, columns.len()))
}
let mut dictionaries = vec![];
let mut dictionaries = Vec::with_capacity(columns.len());
for column in columns {
// ZSTD requires all training data to be continuous in memory, alongside the size of
// each entry