yarn 13 airflow 7 others 26 ambari 16 clickhouse 40 ClickHouse 2 deepagent 14 flink 23 dolphinScheduler 2 greenplum 7 hadoop 4 mapreduce 2 sqoop 2 flume 1 hbase 14 hdfs 9 hive 22 hudi 15 java 31 kafka 11 langchain 9 langgraph 15 mcp 7 zookeeper 2 phoenix 11 prometheus 6 python 18 rag 9 redis 16 Scala 16 spark 58