4.0.0 greptimedb-ingester io.greptime 0.5.0 ingester-example 8 8 UTF-8 ${project.groupId} ingester-all ${project.version} org.apache.logging.log4j log4j-api compile org.apache.logging.log4j log4j-core compile org.apache.logging.log4j log4j-slf4j-impl compile mysql mysql-connector-java 8.0.33