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new a17214dce89 [Fix](inverted index) fix race condition for column reader
load inverted index reader (#34922)
a17214dce89 is described below
commit a17214dce89fcc9104cfe671da348ee596827fe3
Author: airborne12 <airborn...@gmail.com>
AuthorDate: Thu May 16 10:12:02 2024 +0800
[Fix](inverted index) fix race condition for column reader load inverted
index reader (#34922)
---
be/src/olap/rowset/segment_v2/column_reader.cpp | 11 +++++++----
be/src/olap/rowset/segment_v2/column_reader.h | 2 +-
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/be/src/olap/rowset/segment_v2/column_reader.cpp
b/be/src/olap/rowset/segment_v2/column_reader.cpp
index 93437131863..a83788a3261 100644
--- a/be/src/olap/rowset/segment_v2/column_reader.cpp
+++ b/be/src/olap/rowset/segment_v2/column_reader.cpp
@@ -263,9 +263,12 @@ Status ColumnReader::new_inverted_index_iterator(
std::shared_ptr<InvertedIndexFileReader> index_file_reader, const
TabletIndex* index_meta,
const StorageReadOptions& read_options,
std::unique_ptr<InvertedIndexIterator>* iterator) {
RETURN_IF_ERROR(_ensure_inverted_index_loaded(std::move(index_file_reader),
index_meta));
- if (_inverted_index) {
- RETURN_IF_ERROR(_inverted_index->new_iterator(read_options.stats,
-
read_options.runtime_state, iterator));
+ {
+ std::shared_lock<std::shared_mutex> rlock(_load_index_lock);
+ if (_inverted_index) {
+ RETURN_IF_ERROR(_inverted_index->new_iterator(read_options.stats,
+
read_options.runtime_state, iterator));
+ }
}
return Status::OK();
}
@@ -537,7 +540,7 @@ Status ColumnReader::_load_bitmap_index(bool
use_page_cache, bool kept_in_memory
Status ColumnReader::_load_inverted_index_index(
std::shared_ptr<InvertedIndexFileReader> index_file_reader, const
TabletIndex* index_meta) {
- std::lock_guard<std::mutex> wlock(_load_index_lock);
+ std::unique_lock<std::shared_mutex> wlock(_load_index_lock);
if (_inverted_index && index_meta &&
_inverted_index->get_index_id() == index_meta->index_id()) {
diff --git a/be/src/olap/rowset/segment_v2/column_reader.h
b/be/src/olap/rowset/segment_v2/column_reader.h
index 480a009d336..0d71c4107e1 100644
--- a/be/src/olap/rowset/segment_v2/column_reader.h
+++ b/be/src/olap/rowset/segment_v2/column_reader.h
@@ -250,7 +250,7 @@ private:
// meta for various column indexes (null if the index is absent)
std::unique_ptr<ZoneMapPB> _segment_zone_map;
- mutable std::mutex _load_index_lock;
+ mutable std::shared_mutex _load_index_lock;
std::unique_ptr<ZoneMapIndexReader> _zone_map_index;
std::unique_ptr<OrdinalIndexReader> _ordinal_index;
std::unique_ptr<BitmapIndexReader> _bitmap_index;
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