diff --git a/sdk/src/logs/batch_log_record_processor.cc b/sdk/src/logs/batch_log_record_processor.cc
index c85d56739e..9cd72b77d1 100644
--- a/sdk/src/logs/batch_log_record_processor.cc
+++ b/sdk/src/logs/batch_log_record_processor.cc
@@ -208,6 +208,8 @@ void BatchLogRecordProcessor::Export()
       break;
     }
 
+    // Reserve space for number of records and avoid reallocation of vector.
+    records_arr.reserve(num_records_to_export); 
     buffer_.Consume(num_records_to_export,
                     [&](CircularBufferRange<AtomicUniquePtr<Recordable>> range) noexcept {
                       range.ForEach([&](AtomicUniquePtr<Recordable> &ptr) {