@@ -71,17 +71,20 @@ if is_service_enabled g-api; then

     # only 1G we can not upload volume to image.

     # Increase Swift disk size up to 2G

     SWIFT_LOOPBACK_DISK_SIZE_DEFAULT=2G

+    SWIFT_MAX_FILE_SIZE_DEFAULT=1073741824 # 1G

 else

     # DevStack will create a loop-back disk formatted as XFS to store the

     # swift data. Set ``SWIFT_LOOPBACK_DISK_SIZE`` to the disk size in

     # kilobytes.

     # Default is 1 gigabyte.

     SWIFT_LOOPBACK_DISK_SIZE_DEFAULT=1G

+    SWIFT_MAX_FILE_SIZE_DEFAULT=536870912 # 512M

 fi

 # if tempest enabled the default size is 6 Gigabyte.

 if is_service_enabled tempest; then

     SWIFT_LOOPBACK_DISK_SIZE_DEFAULT=${SWIFT_LOOPBACK_DISK_SIZE:-6G}

+    SWIFT_MAX_FILE_SIZE_DEFAULT=5368709122 # Swift default 5G

 fi

 SWIFT_LOOPBACK_DISK_SIZE=${SWIFT_LOOPBACK_DISK_SIZE:-$SWIFT_LOOPBACK_DISK_SIZE_DEFAULT}

@@ -127,6 +130,10 @@ SWIFT_LOG_TOKEN_LENGTH=${SWIFT_LOG_TOKEN_LENGTH:-12}

 # Swift API

 SWIFT_MAX_HEADER_SIZE=${SWIFT_MAX_HEADER_SIZE:-16384}

+# Set ``SWIFT_MAX_FILE_SIZE`` to configure the maximum file size in Swift API

+# Default 500MB because the loopback file used for swift could be 1 or 2 GB

+SWIFT_MAX_FILE_SIZE=${SWIFT_MAX_FILE_SIZE:-$SWIFT_MAX_FILE_SIZE_DEFAULT}

+

 # Set ``OBJECT_PORT_BASE``, ``CONTAINER_PORT_BASE``, ``ACCOUNT_PORT_BASE``

 # Port bases used in port number calculation for the service "nodes"

 # The specified port number will be used, the additional ports calculated by

@@ -462,6 +469,7 @@ EOF

     cp ${SWIFT_DIR}/etc/swift.conf-sample ${SWIFT_CONF_DIR}/swift.conf

     iniset ${SWIFT_CONF_DIR}/swift.conf swift-hash swift_hash_path_suffix ${SWIFT_HASH}

     iniset ${SWIFT_CONF_DIR}/swift.conf swift-constraints max_header_size ${SWIFT_MAX_HEADER_SIZE}

+    iniset ${SWIFT_CONF_DIR}/swift.conf swift-constraints max_file_size ${SWIFT_MAX_FILE_SIZE}

     local node_number

     for node_number in ${SWIFT_REPLICAS_SEQ}; do