Presto CLI can't run on ARM because the current Jansi lib version doesn't support ARM Issue:Unable to start presto-cli on ppc64le and ARM#17150 Fix:Enable ARM Support in Presto#18960(under review) Native Hadoop Lib Issue: Presto failed to load Hadoop native library#18031 No support for ...
目前Presto分为混合集群和高性能集群,如上图所示,混合集群共用HDFS集群,与离线Hadoop大集群混合部署,为了防止集群内大查询影响小查询, 而单独搭建集群会导致集群太多,维护成本太高,我们通过指定Label来做到物理集群隔离(详细后文会讲到)。而高性能集群,HDFS是单独部署的,且可以访问Druid,使Presto 具备查询实时数据和离线...
从报错信息看,应该是java.lang.ClassNotFoundException: Class com.hadoop.compression.lzo.LzoCodec not found导致Unable to create input format org.apache.hadoop.mapred.TextInputFormat 2. 解决办法 2.1 确认缺失的maven依赖 按照之前使用Flink jar任务实现ETL时的经验来看,ClassNotFoundException一般都是因为程序在...
具体表现为:Query 20150507_013905_00017_3b8jn failed: Encountered too many errors talking to a worker node. The node may have crashed or be under too much load. This is probably a transient issue, so please retry your query in a few minutes. select * from system.runtime.nodes;语句发现某...