kudu写入压力大时报错 19/05/18 16:53:12 INFO AsyncKuduClient: Invalidating location fd52e4f930bc45458a8f29ed118785e3(server002:7050) for tablet 4259921cdcca4776b37771659a8cafb3: Service unavailable: Soft memory limit exceeded (at 106.05% of capacity). See htt…

本地运行spark报错 18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.18/12/18 12:56:55 WARN Utils: Service 'sparkDr…

Hive或spark中执行sql字符常量包含;时会报错,比如 select instr('abc;abc', ';'); 报错 NoViableAltException(-1@[147:1: selectExpression : ( expression | tableAllColumns );]) 需要将;改为ascii select instr('abc\073abc', '\073');…

前言 之前也分享过很多工作中踩坑的经验: 一个线上问题的思考:Eureka注册中心集群如何实现客户端请求负载及故障转移? [原创]经验分享:一个Content-Length引发的血案(almost....) 今天再来分享工作中一个真实的案例: 商品评价列表页,显示每条用户的评价详情,为了保护用户隐私,要求显示用户昵称时只能显示第一位和最后一位,其他的用※代替. 例如输入:,输出:*** 看似一个平淡无奇的需求,我也没有太在意.服务端将用户的评论信息存储到db中,评价列表接口就是将数据库中该商品的…

flume kudu sink运行一段时间报错: 19/05/05 10:15:56 WARN client.ConnectToCluster: Error receiving a response from: master:7051 org.apache.kudu.client.RecoverableException: [Peer master-master:7051] Connection disconnected at org.apache.kudu.client.TabletClien…

一 对比 存储空间对比: 查询性能对比: 二 设计方案 将数据拆分为:历史数据(hdfs+parquet+snappy)+ 近期数据(kudu),可以兼具各种优点: 1)整体低于10%的磁盘占用: 2)更少的查询耗时: 3)近期数据实时更新: 4)近期数据可修改: 5)kudu集群重启时间降低90%: 6)impala并行scan:scan kudu + scan hdfs: 三 改造方案 利用视图 create view v_table asselect * from parquet_tabl…

kudu安装后运行不正常,master中找不到任何tserver,查看tserver日志发现有很多报错: Failed to heartbeat to master:7051: Invalid argument: Failed to ping master at master:7051: Client connection negotiation failed: client connection to master:7051: unable to find SASL plugin: PLAIN…

kudu的副本数量是在表上设置,可以通过命令查看 # sudo -u kudu kudu cluster ksck $master ... Summary by table Name | RF | Status | Total Tablets | Healthy | Recovering | Under-replicated | Unavailable ----------------------------------------------------------+----+--------…

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 "date -d @1558779043" if you are using GNU date *** PC: @ 0x7ff0d6cf9207 __GI_raise *** SIGABRT (@…

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.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424…