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dataroaring pushed a commit to branch branch-3.0
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The following commit(s) were added to refs/heads/branch-3.0 by this push:
new 75103ae89d8 [test](fe) Add session variable enable_reserve_memory for
testing (#48806)
75103ae89d8 is described below
commit 75103ae89d8e788362bb5b1c6eee33893aedb4c7
Author: Jerry Hu <hushengg...@selectdb.com>
AuthorDate: Mon Mar 10 11:05:28 2025 +0800
[test](fe) Add session variable enable_reserve_memory for testing (#48806)
---
.../src/main/java/org/apache/doris/qe/SessionVariable.java | 9 +++++++++
1 file changed, 9 insertions(+)
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 f1b2181d1d1..666bcd43b15 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
@@ -561,6 +561,7 @@ public class SessionVariable implements Serializable,
Writable {
// for spill to disk
public static final String EXTERNAL_SORT_BYTES_THRESHOLD =
"external_sort_bytes_threshold";
public static final String EXTERNAL_AGG_PARTITION_BITS =
"external_agg_partition_bits";
+ public static final String ENABLE_RESERVE_MEMORY = "enable_reserve_memory";
public static final String SPILL_STREAMING_AGG_MEM_LIMIT =
"spill_streaming_agg_mem_limit";
public static final String MIN_REVOCABLE_MEM = "min_revocable_mem";
public static final String ENABLE_JOIN_SPILL = "enable_join_spill";
@@ -2197,6 +2198,14 @@ public class SessionVariable implements Serializable,
Writable {
public boolean disableEmptyPartitionPrune = false;
// CLOUD_VARIABLES_END
+ @VariableMgr.VarAttr(
+ name = ENABLE_RESERVE_MEMORY,
+ description = {"控制是否启用分配内存前先reverve memory的功能。默认为 true。",
+ "Controls whether to enable reserve memory before
allocating memory. "
+ + "The default value is true."},
+ needForward = true, fuzzy = true)
+ public boolean enableReserveMemory = true;
+
// for spill to disk
@VariableMgr.VarAttr(name = MIN_REVOCABLE_MEM, fuzzy = true)
public long minRevocableMem = 32 * 1024 * 1024;
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