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[improvement](fe) Adjust scanner defaults for branch-4.2 #68376

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[improvement](fe) Adjust scanner defaults for branch-4.2 #68376

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10 changes: 5 additions & 5 deletions fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1156,9 +1156,9 @@ public static double getHotValueThreshold() {
public int localExchangeFreeBlocksLimit = 4;

@VariableMgr.VarAttr(name = MIN_SCANNERS_CONCURRENCY, needForward = true, description = {
"Scanner 的最小并发度，默认为 1", "The min concurrency of Scanner, default 1"
"Scanner 的最小并发度，默认为 4", "The min concurrency of Scanner, default 4"
})
public int minScannersConcurrency = 1;
public int minScannersConcurrency = 4;

@VariableMgr.VarAttr(name = MIN_FILE_SCANNERS_CONCURRENCY, needForward = true, description = {
"外表 Scanner 的最小并发度，默认为 1", "The min concurrency of Remote Scanner, default 1"
Expand Down Expand Up @@ -2779,12 +2779,12 @@ public Map<String, Action> getForceEagerAggHintMap() {
name = ENABLE_EXPR_ZONEMAP_FILTER,
fuzzy = true,
description = {"控制支持该变量的 scanner 是否启用表达式 ZoneMap 过滤。"
+ "File Scanner V2 始终启用安全的表达式 ZoneMap 过滤。默认为 false。",
+ "File Scanner V2 始终启用安全的表达式 ZoneMap 过滤。默认为 true。",
"Controls expression ZoneMap filtering in scanners that honor this variable. "
+ "File Scanner V2 always enables safe expression ZoneMap filtering. "
+ "The default value is false."},
+ "The default value is true."},
needForward = true)
public boolean enableExprZonemapFilter = false;
public boolean enableExprZonemapFilter = true;

@VariableMgr.VarAttr(
name = CHECK_ORC_INIT_SARGS_SUCCESS,
Expand Down
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