Disable time-travel by default (#21788)

Signed-off-by: NEnwei Jiao <enwei.jiao@zilliz.com>

configs/milvus.yaml

@@ -380,7 +380,7 @@ common:
 
   defaultPartitionName: "_default"  # default partition name for a collection
   defaultIndexName: "_default_idx"  # default index name
-  retentionDuration: 86400 # time travel reserved time, insert/delete will not be cleaned in this period. 1 days in seconds
+  retentionDuration: 0     # time travel reserved time, insert/delete will not be cleaned in this period. disable it by default
   entityExpiration: -1     # Entity expiration in seconds, CAUTION make sure entityExpiration >= retentionDuration and -1 means never expire
 
   gracefulTime: 5000 # milliseconds. it represents the interval (in ms) by which the request arrival time needs to be subtracted in the case of Bounded Consistency.

internal/util/paramtable/component_param.go

@@ -28,7 +28,7 @@ import (
 
 const (
 	// DefaultRetentionDuration defines the default duration for retention which is 1 days in seconds.
-	DefaultRetentionDuration = 3600 * 24
+	DefaultRetentionDuration = 0
 
 	// DefaultIndexSliceSize defines the default slice size of index file when serializing.
 	DefaultIndexSliceSize        = 16

internal/util/paramtable/component_param_test.go

@@ -57,7 +57,7 @@ func TestComponentParam(t *testing.T) {
 		// test the case coommo
 		Params.Base.Save("common.entityExpiration", "50")
 		Params.initEntityExpiration()
-		assert.Equal(t, int64(Params.EntityExpirationTTL.Seconds()), int64(DefaultRetentionDuration))
+		assert.Equal(t, int64(Params.EntityExpirationTTL.Seconds()), int64(50))
 
 		assert.NotEqual(t, Params.SimdType, "")
 		t.Logf("knowhere simd type = %s", Params.SimdType)