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new 86e99f9cf7d [chore](session_variable) change
parallel_scan_min_rows_per_scanner' default value to 16384 (#32939)
86e99f9cf7d is described below
commit 86e99f9cf7ddfbbdbc4a7600f27b1c69a9d205d1
Author: Jerry Hu <mrh...@gmail.com>
AuthorDate: Fri Mar 29 14:45:26 2024 +0800
[chore](session_variable) change parallel_scan_min_rows_per_scanner'
default value to 16384 (#32939)
---
fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
index 92f464ba778..1a8c1256691 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@@ -901,7 +901,7 @@ public class SessionVariable implements Serializable,
Writable {
@VariableMgr.VarAttr(name = PARALLEL_SCAN_MIN_ROWS_PER_SCANNER, fuzzy =
true,
varType = VariableAnnotation.EXPERIMENTAL, needForward = true)
- private long parallelScanMinRowsPerScanner = 2097152; // 2MB
+ private long parallelScanMinRowsPerScanner = 16384; // 16K
@VariableMgr.VarAttr(name = IGNORE_STORAGE_DATA_DISTRIBUTION, fuzzy =
false,
varType = VariableAnnotation.EXPERIMENTAL, needForward = true)
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