qiaojialin commented on a change in pull request #5274:
URL: https://github.com/apache/iotdb/pull/5274#discussion_r831108758
##########
File path: server/src/assembly/resources/conf/iotdb-engine.properties
##########
@@ -926,3 +926,75 @@ timestamp_precision=ms
####################
# Datatype: float
# group_by_fill_cache_size_in_mb=1.0
+
+####################
+### Double Write Configuration
+####################
+
+####################
+# DOUBLEWRITE GENERAL CONFIG
+####################
+
+# Is DoubleWrite enable
+# Datatype: boolean
+# enable_double_write=false
+# Is DoubleWrite sync
+# Datatype: boolean
+# sync_double_write=true
+
+# Secondary IoTDB config
+# Datatype: String
+# secondary_address=127.0.0.1
+# Datatype: int
+# secondary_port=6668
+# Datatype: String
+# secondary_user=root
+# Datatype: String
+# secondary_password=root
+
+# The transmitting concurrency size of DoubleWrite SessionPool
+# This parameter should better not exceed the sum of concurrent
DoubleWriteTask or DoubleWriteConsumer and concurrent DoubleWriteProtector
+# Datatype: int
+# double_write_session_concurrency_size = 8
+
+# The max size per DoubleWriteLog. Default is 1GB
+# Datatype: int
+# double_write_max_log_size = 1073741824
+# The core pool size of DoubleWriteProtector. i.e. The maximum number of
running DoubleWriteProtector
Review comment:
```suggestion
# The core pool size of DoubleWriteProtector. i.e. The maximum number of
running DoubleWriteProtector
```
##########
File path: session/src/main/java/org/apache/iotdb/session/Session.java
##########
@@ -2442,6 +2461,24 @@ private TSDropSchemaTemplateReq
getTSDropSchemaTemplateReq(String templateName)
}
}
+ /** Transmit insert record request for double write */
+ public void doubleWriteTransmit(ByteBuffer buffer)
Review comment:
what's this for?
##########
File path: thrift/src/main/thrift/rpc.thrift
##########
@@ -416,6 +416,12 @@ struct TSDropSchemaTemplateReq {
2: required string templateName
}
+struct TSExecuteDoubleWriteReq {
Review comment:
```suggestion
struct TSInternalSyncWriteReq {
```
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