caiconghui commented on a change in pull request #3775:
URL: https://github.com/apache/incubator-doris/pull/3775#discussion_r536082788



##########
File path: 
fe/fe-core/src/main/java/org/apache/doris/clone/DynamicPartitionScheduler.java
##########
@@ -265,17 +265,16 @@ private void executeDynamicPartition() {
             String tableName;
             boolean skipAddPartition = false;
             OlapTable olapTable;
-            db.readLock();
+            olapTable = (OlapTable) db.getTable(tableId);

Review comment:
       because when drop table, we need to prevent that other thread drop table 
or create table too. but for get table, we just need to ensure that the get 
table operation is thread safe, and the final result is ok, we don't purse the 
strict consistency here for  better performance.

##########
File path: 
fe/fe-core/src/main/java/org/apache/doris/clone/DynamicPartitionScheduler.java
##########
@@ -265,17 +265,16 @@ private void executeDynamicPartition() {
             String tableName;
             boolean skipAddPartition = false;
             OlapTable olapTable;
-            db.readLock();
+            olapTable = (OlapTable) db.getTable(tableId);

Review comment:
       @wangbo 
   because when drop table, we need to prevent that other thread drop table or 
create table too. but for get table, we just need to ensure that the get table 
operation is thread safe, and the final result is ok, we don't purse the strict 
consistency here for  better performance.




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