java -Ddruid.metadata.storage.type=mysql \
-Ddruid.metadata.storage.connector.connectURI=jdbc\:mysql\://localhost\:3306/druid \
-Ddruid.metadata.storage.connector.user=<username> \
-Ddruid.metadata.storage.connector.password=<password> \
-Ddruid.extensions.loadList=[\"mysql-metadata-storage\",\"druid-s3-extensions\"] \
-Ddruid.storage.type=s3 -Ddruid.s3.accessKey=<accesskey> -Ddruid.s3.secretKey=<secret_key> \
-Ddruid.storage.bucket=<bucket> -Ddruid.storage.baseKey=<basekey>/<datasource> \
-Ddruid.storage.maxListingLength=1000 \
-classpath '/opt/druid/lib/*' io.druid.cli.Main tools insert-segment-to-db --workingDir "druid/segments/<datasource>"