yiguolei commented on code in PR #17820:
URL: https://github.com/apache/doris/pull/17820#discussion_r1147316519
##########
be/src/vec/common/arena.h:
##########
@@ -271,9 +276,17 @@ class Arena : private boost::noncopyable {
return res;
}
+ void clear() {
+ delete head;
+ head = new Chunk(initial_size, nullptr), size_in_bytes = head->size(),
+ size_in_allocated = 0;
+ }
+
/// Size of chunks in bytes.
size_t size() const { return size_in_bytes; }
+ size_t allocated_size() const { return size_in_allocated +
head->remaining(); }
Review Comment:
rename this method to: used_size() because allocated size maybe allocated
but not used.
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