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Allow the initial amount of memory for databases to be configurable #1576

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Allow the initial amount of memory for databases to be configurable #1576

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0c6260a
Make memory configurable in 19c
Apr 13, 2020
580fe4c
Make memory configurable in 19c
Apr 13, 2020
7d6b42e
Merge branch 'feature/configurable-memory' of https://github.com/stev…
Apr 14, 2020
ac20d37
Update the create DB script for resetting the memory as required
Apr 14, 2020
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Make memory configurable in 19c 
Signed-off-by: Steve Swinsburg <steve.swinsburg@gmail.com>
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Steve Swinsburg committed Apr 14, 2020
commit 580fe4c305a6a7f36ea15afa9fc657a8d229e341
3 changes: 3 additions & 0 deletions OracleDatabase/SingleInstance/README.md
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Expand Up @@ -59,6 +59,7 @@ To run your Oracle Database Docker image use the **docker run** command as follo
-e ORACLE_SID=<your SID> \
-e ORACLE_PDB=<your PDB name> \
-e ORACLE_PWD=<your database passwords> \
-e ORACLE_MEM=<amount of memory to allocate> \
-e ORACLE_CHARACTERSET=<your character set> \
-v [<host mount point>:]/opt/oracle/oradata \
oracle/database:19.3.0-ee
Expand All @@ -70,6 +71,8 @@ To run your Oracle Database Docker image use the **docker run** command as follo
-e ORACLE_SID: The Oracle Database SID that should be used (default: ORCLCDB)
-e ORACLE_PDB: The Oracle Database PDB name that should be used (default: ORCLPDB1)
-e ORACLE_PWD: The Oracle Database SYS, SYSTEM and PDB_ADMIN password (default: auto generated)
-e ORACLE_MEM: The amount of memory in MB to allocate to Oracle.
If you bump this up too much you might need to change your Docker settings to allocate more memory to Docker. 19c only. (default: 2048)
-e ORACLE_CHARACTERSET:
The character set to use when creating the database (default: AL32UTF8)
-v /opt/oracle/oradata
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4 changes: 4 additions & 0 deletions OracleDatabase/SingleInstance/dockerfiles/19.3.0/createDB.sh
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Expand Up @@ -25,12 +25,16 @@ export ORACLE_PDB=${2:-ORCLPDB1}
export ORACLE_PWD=${3:-"`openssl rand -base64 8`1"}
echo "ORACLE PASSWORD FOR SYS, SYSTEM AND PDBADMIN: $ORACLE_PWD";

# Total memory in MB to allocate to Oracle
export ORACLE_MEM=${ORACLE_MEM:-2048}

# Replace place holders in response file
cp $ORACLE_BASE/$CONFIG_RSP $ORACLE_BASE/dbca.rsp
sed -i -e "s|###ORACLE_SID###|$ORACLE_SID|g" $ORACLE_BASE/dbca.rsp
sed -i -e "s|###ORACLE_PDB###|$ORACLE_PDB|g" $ORACLE_BASE/dbca.rsp
sed -i -e "s|###ORACLE_PWD###|$ORACLE_PWD|g" $ORACLE_BASE/dbca.rsp
sed -i -e "s|###ORACLE_CHARACTERSET###|$ORACLE_CHARACTERSET|g" $ORACLE_BASE/dbca.rsp
sed -i -e "s|###ORACLE_MEM###|$ORACLE_MEM|g" $ORACLE_BASE/dbca.rsp

# If there is greater than 8 CPUs default back to dbca memory calculations
# dbca will automatically pick 40% of available memory for Oracle DB
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2 changes: 1 addition & 1 deletion OracleDatabase/SingleInstance/dockerfiles/19.3.0/dbca.rsp.tmpl
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Expand Up @@ -201,4 +201,4 @@ automaticMemoryManagement=FALSE
# Default value :
# Mandatory : NO
#-----------------------------------------------------------------------------
totalMemory=2048
totalMemory=###ORACLE_MEM###