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Reserve key_context capacity in MultiGetCommon to avoid autovector reallocs (#14909)

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Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/14909

Reviewed By: kunalspathak

Differential Revision: D110380492

fbshipit-source-id: d1d3214c52a65326de237adcbfe6ea5d23d94960
This commit is contained in:
generatedunixname1395027625275998
2026-07-06 19:48:44 -07:00
committed by meta-codesync[bot]
parent 13d55eba73
commit 0f15da1c2d
1 changed files with 2 additions and 0 deletions
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db/db_impl/db_impl.cc
+2
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@@ -3761,6 +3761,7 @@ void DBImpl::MultiGetCommon(const ReadOptions& read_options,
}
autovector<KeyContext, MultiGetContext::MAX_BATCH_SIZE> key_context;
key_context.reserve(num_keys);
autovector<KeyContext*, MultiGetContext::MAX_BATCH_SIZE> sorted_keys;
sorted_keys.resize(num_keys);
for (size_t i = 0; i < num_keys; ++i) {
@@ -3951,6 +3952,7 @@ void DBImpl::MultiGetCommon(const ReadOptions& read_options,
}
}
autovector<KeyContext, MultiGetContext::MAX_BATCH_SIZE> key_context;
key_context.reserve(num_keys);
autovector<KeyContext*, MultiGetContext::MAX_BATCH_SIZE> sorted_keys;
sorted_keys.resize(num_keys);
for (size_t i = 0; i < num_keys; ++i) {