Add support for customization Database processes, sessions, transactions

Author: MaksymBilenko

Dockerfile

@@ -18,5 +18,9 @@ EXPOSE 1521
 EXPOSE 8080
 VOLUME ["/u01/app/oracle"]
 
+ENV processes 500
+ENV sessions 555
+ENV transactions 610
+
 ADD entrypoint.sh /
 ENTRYPOINT ["/entrypoint.sh"]

README.md

@@ -17,6 +17,19 @@ Run with data on host and reuse it:
 
     docker run -d -p 8080:8080 -p 1521:1521 -v /my/oracle/data:/u01/app/oracle sath89/oracle-xe-11g
 
+Run with customization of processes, sessions, transactions
+This customization is needed on the database initialization stage. If you are using mounted folder with DB files this is not used:
+
+    ##Consider this formula before customizing:
+    #processes=x
+    #sessions=x*1.1+5
+    #transactions=sessions*1.1
+    docker run -d -p 8080:8080 -p 1521:1521 -v /my/oracle/data:/u01/app/oracle\
+    -e processes=1000 \
+    -e sessions=1105 \
+    -e transactions=1215 \
+    sath89/oracle-xe-11g
+
 Connect database with following setting:
 
     hostname: localhost

entrypoint.sh

@@ -25,9 +25,26 @@ case "$1" in
 			ln -s /u01/app/oracle/dbs /u01/app/oracle-product/11.2.0/xe/dbs
 		else
 			echo "Database not initialized. Initializing database."
+
+			printf "Setting up:\nprocesses=$processes\nsessions=$sessions\ntransactions=$transactions\n"
+			echo "If you want to use different parameters set processes, sessions, transactions env variables and consider this formula:"
+			printf "processes=x\nsessions=x*1.1+5\ntransactions=sessions*1.1\n"
+
 			mv /u01/app/oracle-product/11.2.0/xe/dbs /u01/app/oracle/dbs
 			ln -s /u01/app/oracle/dbs /u01/app/oracle-product/11.2.0/xe/dbs
+
+			#Setting up processes, sessions, transactions.
+			sed -i -E "s/processes=[^)]+/processes=$processes/g" /u01/app/oracle/product/11.2.0/xe/config/scripts/init.ora
+			sed -i -E "s/processes=[^)]+/processes=$processes/g" /u01/app/oracle/product/11.2.0/xe/config/scripts/initXETemp.ora
+			
+			sed -i -E "s/sessions=[^)]+/sessions=$sessions/g" /u01/app/oracle/product/11.2.0/xe/config/scripts/init.ora
+			sed -i -E "s/sessions=[^)]+/sessions=$sessions/g" /u01/app/oracle/product/11.2.0/xe/config/scripts/initXETemp.ora
+
+			sed -i -E "s/transactions=[^)]+/transactions=$transactions/g" /u01/app/oracle/product/11.2.0/xe/config/scripts/init.ora
+			sed -i -E "s/transactions=[^)]+/transactions=$transactions/g" /u01/app/oracle/product/11.2.0/xe/config/scripts/initXETemp.ora
+
 			printf 8080\\n1521\\noracle\\noracle\\ny\\n | /etc/init.d/oracle-xe configure
+
 			echo "Database initialized. Please visit http://#containeer:8080/apex to proceed with configuration"
 		fi
 

init.ora

@@ -38,8 +38,10 @@ sga_target=601620480
 ###########################################
 # Sessions
 ###########################################
-sessions=20
- 
+processes=500
+sessions=555
+transactions=610
+
 ###########################################
 # Security and Auditing
 ###########################################
@@ -56,4 +58,4 @@ shared_servers=4
 # System Managed Undo and Rollback Segments
 ###########################################
 undo_management=AUTO
-undo_tablespace=UNDOTBS1
+undo_tablespace=UNDOTBS1

initXETemp.ora

@@ -35,8 +35,10 @@ sga_target=601620480
 ###########################################
 # Sessions
 ###########################################
-sessions=20
- 
+processes=500
+sessions=555
+transactions=610
+
 ###########################################
 # Security and Auditing
 ###########################################
@@ -53,4 +55,4 @@ dispatchers="(PROTOCOL=TCP) (SERVICE=XEXDB)"
 ###########################################
 undo_management=AUTO
 undo_tablespace=UNDOTBS1
-_no_recovery_through_resetlogs=true
+_no_recovery_through_resetlogs=true