[GitHub] [incubator-doris] yixiutt commented on a diff in pull request #10153: [opt](compaction) optimize compaction in concurrent load

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

yixiutt commented on code in PR #10153:
URL: https://github.com/apache/incubator-doris/pull/10153#discussion_r897642362


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be/src/olap/cumulative_compaction_policy.cpp:
##########
@@ -32,10 +32,11 @@ SizeBasedCumulativeCompactionPolicy::SizeBasedCumulativeCompactionPolicy(
           _size_based_promotion_ratio(size_based_promotion_ratio),
           _size_based_promotion_min_size(size_based_promotion_min_size),
           _size_based_compaction_lower_bound_size(size_based_compaction_lower_bound_size) {
-    // init _levels by divide 2 between size_based_promotion_size and size_based_compaction_lower_bound_size
+    // init _levels by divide 2 between size_based_compaction_lower_bound_size and 1K
+    // cu compaction handle file size less then size_based_compaction_lower_bound_size
     int64_t i_size = size_based_promotion_size / 2;
 
-    while (i_size >= size_based_compaction_lower_bound_size) {
+    while (i_size >= 1024) {

Review Comment:
   i think 1k is ok whether in big or small file compaction, so i don't use a config here



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