zhiqiang-hhhh commented on code in PR #57623:
URL: https://github.com/apache/doris/pull/57623#discussion_r2508954538
##########
be/src/olap/rowset/segment_v2/ann_index/ann_index_writer.cpp:
##########
@@ -76,6 +76,12 @@ Status AnnIndexColumnWriter::init() {
"ef_construction {}, quantizer {}",
index_type, build_parameter.dim, metric_type,
build_parameter.max_degree,
build_parameter.ef_construction, quantizer);
+
+ size_t block_size = CHUNK_SIZE * build_parameter.dim;
+ // The array capacity will not change after resizing
+ _float_array.resize(block_size);
Review Comment:
reserve instead of resize
##########
be/src/olap/rowset/segment_v2/ann_index/ann_index_writer.cpp:
##########
@@ -76,6 +76,12 @@ Status AnnIndexColumnWriter::init() {
"ef_construction {}, quantizer {}",
index_type, build_parameter.dim, metric_type,
build_parameter.max_degree,
build_parameter.ef_construction, quantizer);
+
+ size_t block_size = CHUNK_SIZE * build_parameter.dim;
+ // The array capacity will not change after resizing
+ _float_array.resize(block_size);
+ _array_offset = 0;
Review Comment:
_array_offset is not needed
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