yiguolei commented on code in PR #50292:
URL: https://github.com/apache/doris/pull/50292#discussion_r2057763828


##########
be/src/olap/memtable_flush_executor.cpp:
##########
@@ -190,7 +190,10 @@ Status FlushToken::_do_flush_memtable(MemTable* memtable, 
int32_t segment_id, in
 /// FIXME: support UT
 #if defined(USE_MEM_TRACKER) && !defined(BE_TEST)
         auto reserve_size = memtable->get_flush_reserve_memory_size();
-        RETURN_IF_ERROR(_try_reserve_memory(memtable->resource_ctx(), 
reserve_size));
+        if 
(memtable->resource_ctx()->task_controller()->is_enable_reserve_memory() &&
+            reserve_size > 0) {
+            RETURN_IF_ERROR(_try_reserve_memory(memtable->resource_ctx(), 
reserve_size));

Review Comment:
   这个try reserve 里面似乎是死循环,有可能不对,得加上超时的逻辑



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