Merge pull request #198 from data-integrations/PLUGIN-994

[PLUGIN-994] updated markdown for fetch size in db sources

Author: itsankit-google

aurora-mysql-plugin/docs/AuroraMysql-batchsource.md

@@ -52,6 +52,9 @@ will be passed to the JDBC driver as connection arguments for JDBC drivers that
 back from the query. However, it must match the schema that comes back from the query,
 except it can mark fields as nullable and can contain a subset of the fields.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import, 
+with the tradeoff of higher memory usage.
+
 Example
 ------
 Suppose you want to read data from an Aurora DB MySQL database named "prod" that is running on 

aurora-postgresql-plugin/docs/AuroraPostgres-batchsource.md

@@ -54,6 +54,9 @@ disabled.
 back from the query. However, it must match the schema that comes back from the query,
 except it can mark fields as nullable and can contain a subset of the fields.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
+
 Example
 ------
 Suppose you want to read data from an Aurora DB PostgreSQL database named "prod" that is running on 

cloudsql-mysql-plugin/docs/CloudSQLMySQL-batchsource.md

@@ -51,6 +51,8 @@ will be passed to the JDBC driver as connection arguments for JDBC drivers that
 back from the query. However, it must match the schema that comes back from the query,
 except it can mark fields as nullable and can contain a subset of the fields.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
 
 Data Types Mapping
 ------------------

cloudsql-postgresql-plugin/docs/CloudSQLPostgreSQL-batchsource.md

@@ -51,6 +51,8 @@ will be passed to the JDBC driver as connection arguments for JDBC drivers that
 back from the query. However, it must match the schema that comes back from the query,
 except it can mark fields as nullable and can contain a subset of the fields.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
 
 Examples
 --------

db2-plugin/docs/Db2-batchsource.md

@@ -50,6 +50,9 @@ will be passed to the JDBC driver as connection arguments for JDBC drivers that
 back from the query. However, it must match the schema that comes back from the query,
 except it can mark fields as nullable and can contain a subset of the fields.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
+
 Example
 ------
 Suppose you want to read data from DB2 database named "prod" that is running on "localhost", port 50000,

generic-database-plugin/docs/Database-batchsource.md

@@ -48,6 +48,9 @@ except it can mark fields as nullable and can contain a subset of the fields.
 
 **Transaction Isolation Level:** The transaction isolation level for queries run by this sink.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
+
 Example
 -------   
 Suppose you want to read data from PostgreSQL database named "prod" that is running on "localhost" port 5432,

mariadb-plugin/docs/Mariadb-batchsource.md

@@ -73,6 +73,8 @@ connections.
 
 **SQL_MODE:** Override the default SQL_MODE session variable used by the server.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
 
 Data Types Mapping
 ----------

memsql-plugin/docs/Memsql-batchsource.md

@@ -71,6 +71,8 @@ connections.
 
 **Use ANSI Quotes:** Treats " as an identifier quote character and not as a string quote character.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
 
 Data Types Mapping
 ----------

mssql-plugin/docs/SqlServer-batchsource.md

@@ -89,6 +89,8 @@ will be passed to the JDBC driver as connection arguments for JDBC drivers that
 back from the query. However, it must match the schema that comes back from the query,
 except it can mark fields as nullable and can contain a subset of the fields.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
 
 Data Types Mapping
 ----------

mysql-plugin/docs/Mysql-batchsource.md

@@ -73,6 +73,8 @@ connections.
 
 **SQL_MODE:** Override the default SQL_MODE session variable used by the server.
 
+**Fetch Size:** The number of rows to fetch at a time per split. Larger fetch size can result in faster import,
+with the tradeoff of higher memory usage.
 
 Data Types Mapping
 ----------