[GitHub] [doris] yiguolei commented on a diff in pull request #15624: [feature](spill to disk) Support spill to disk for sort node

[GitBox <gi...@apache.org>]

yiguolei commented on code in PR #15624:
URL: https://github.com/apache/doris/pull/15624#discussion_r1062051965


##########
be/src/common/config.h:
##########
@@ -874,6 +874,12 @@ CONF_Int32(pipeline_executor_size, "0");
 // Will remove after fully test.
 CONF_Bool(enable_index_apply_preds_except_leafnode_of_andnode, "false");
 
+// If the memory consumption of sort node exceed this limit, will trigger spill to disk;
+// Set to 0 to disable; defaul to 1G; min: 128M
+CONF_mInt64(external_sort_bytes_threshold, "1073741824");

Review Comment:
   Not in be.conf， pass it by using FE's session variable.



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