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Troubleshooting on Zeppelin with keberized cluster

We’ve updated Zeppelin from 0.7.0 to 0.7.1, still work with kerberized hadoop cluster, we use some interpreters in zeppelin, not all. And I wanna write some troubleshooting records with this awe[...]

Use kerberized Hive in Zeppelin

We deployed Apache Zeppelin 0.7.0 for the Kerberos secured Hadoop cluster, and my dear colleague cannot use it correctly, so I have to find out why he can’t use anything in Zeppelin, except shel[...]

Troubleshooting kerberized hive issues

Today, my colleagues want to use hive in zeppelin, it’s the first time to use hive in this new kerberized cluster, and unfortunately there was an authenticate issue of using hive. So I have to d[...]

Deploy shadowsocks

Since I live in China, the Great Fire Wall is almost blocked every thing on this planet, so I have to find lots of ladders to over the wall to find some useful things. Freegate, Lvdou, and shadow sock[...]

Dr.Elephant mysql connection error

This is the first time I try to use english to write my blog, so don’t jeer at the mistake of my grammar and spelling. Because of multi threaded drelephant will cause JobHistoryServer’s Lo[...]

试用时间序列数据库InfluxDB

Hadoop集群监控需要使用时间序列数据库,今天花了半天时间调研使用了一下最近比较火的InfluxDB,发现还真是不错,记录一下学习心得。 Influx是用Go语言写的,专为时间序列数据持久化所开发的,由于使用Go语言,所以各平台基本都支持。类似的时间序列数据库还有OpenTSDB,Prometheus等。 (更多…) [...]

Hadoop监控分析工具Dr.Elephant

公司基础架构这边想提取慢作业和获悉资源浪费的情况,所以装个dr elephant看看。LinkIn开源的系统,可以对基于yarn的mr和spark作业进行性能分析和调优建议。 DRE大部分基于java开发,spark监控部分使用scala开发,使用play堆栈式框架。这是一个类似Python里面Django的框架,基于java?scala?没太细了解,直接下来就能用,需要java1.8以上。 (更[...]

Apache Bigtop与卖书求生

快一年没写博客了,终于回来了,最近因公司业务需要,要基于cdh发行版打包自定义patch的rpm,于是又搞起了bigtop,就是那个hadoop编译打包rpm和deb的工具,由于国内基本没有相关的资料和文档,所以觉得有必要把阅读bigtop源码和修改的思路分享一下。 (更多…) [...]

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