Thinking in BigData

摘要： kudu rebalance命令报错 terminate called after throwing an instance of 'std::regex_error' what(): regex_error *** Aborted at 1558779043 (unix time) try "da 阅读全文

摘要： 从impala中创建kudu表之后，如果想从hive或spark sql直接读取，会报错： Caused by: java.lang.ClassNotFoundException: com.cloudera.kudu.hive.KuduStorageHandler at java.net.URLCl 阅读全文

摘要： kudu并没有命令可以直接查看每个table占用的空间，可以从cloudera manager上间接查看 CM is scrapping and aggregating the /metrics pages from the tablet server instances for each tabl 阅读全文

摘要： kudu写入压力大时报错 19/05/18 16:53:12 INFO AsyncKuduClient: Invalidating location fd52e4f930bc45458a8f29ed118785e3(server002:7050) for tablet 4259921cdcca477 阅读全文

摘要： 启动进程后查看日志（stdout和stderr） 1 nohup+tail # nohup $cmd > /path/to/file 2>&1 & # tail -f /path/to/file append # nohup $cmd >> /path/to/file 2>&1 & 2 tee # 阅读全文

摘要： 1 下载 https://www.mongodb.com/download-center/community 比如： https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-4.0.9.tgz 2 连接 # cd $MONGODB_HOME# bi 阅读全文

摘要： spark2.4.3+kudu1.9 1 批量读 val df = spark.read.format("kudu") .options(Map("kudu.master" -> "master:7051", "kudu.table" -> "impala::test_db.test_table") 阅读全文

摘要： hue启动coordinator时报错，页面返回undefinied错误框： 后台日志报错： runcpserver.log [13/May/2019 04:34:55 -0700] middleware INFO Processing exception: 'NoneType' object ha 阅读全文

摘要： /opt/cloudera/parcels/CDH/lib/hue/apps/beeswax/src/beeswax/conf.py # Deprecated DOWNLOAD_CELL_LIMIT = Config( key='download_cell_limit', default=10000 阅读全文

摘要： spark-2.4.2kudu-1.7.0 开始尝试 1）自己手工将jar加到classpath spark-2.4.2-bin-hadoop2.6+kudu-spark2_2.11-1.7.0-cdh5.16.1.jar # bin/spark-shell scala> val df = spar 阅读全文