原文:Where are Riak Post-Commit Hooks run?
我试图利用Rik s Post-Commit Hooks来评估如何建立一个分布式的、递增的基于地图的指数,但想知道Rik是否把后Hooks说出来。 是......
原文:What is the optimised way to get a count of keys in a riak bucket?
我有一个配备3台服务器的里亚克组。 我可以看一下借机确定这一组群目前使用多少磁盘空间,但我也想发现目前有多少件物品。
原文:Difference and relationship between slots, map tasks, data splits, Mapper
I have gone thru few hadoop info books and papers. A Slot is a map/reduce computation unit at a node. it may be map or reduce slot. As far as, i know split is a group of blocks of files in HDFS which ...
原文:pig puzzle: re-writing an involved reducer as a simple pig script?
设有记号,每个都有一个时间段,按用户名称分类。 每个用户名小组 我想所有奶牛(旧账户、其他账户)。
原文:How to customize Writable class in Hadoop?
我不想执行令人敬畏的阶级,但是,如果在我的班子里有nes的物体,如名单等,我对如何执行令人敬畏的阶级没有任何想法。 是否有任何机构帮助我? 感谢
原文:How to map/reduce two MongoDB collections
我是新的,可以绘制/减少并试图用地图收集以下数据,从而减少我(低)应用逻辑:
原文:cygwin hadoop map-reduce problem
我正在找寻图/引示例,以研究cy:http://www.michael-noll.com/tutorials/even-mapreduce-program-in-python/
原文:Sort and shuffle optimization in Hadoop MapReduce
I m looking for a research/implementation based project on Hadoop and I came across the list posted on the wiki page - http://wiki.apache.org/hadoop/ProjectSuggestions. But, this page was last updated ...
原文:Hadoop: How to find out the partition_Id in reduce step using Context object
Hadoop AP ver。 0.20 和超过背景标语的是“工作合同”。
原文:Bundling jars when submitting map/reduce jobs via Pig?
I m试图将Hadoop、Pig和Casandra合并起来,以便能够通过简单的Pig查询,就Casses储存的数据开展工作。 问题在于,我不得不做一些工作来创造实际工作的地图/绘画。
原文:What s the best way to count unique visitors with Hadoop?
简言之,如果您的记录单像这样看待,那么,在绘制地图上的最佳方式是计算独一无二的访客。
原文:Using Hadoop, are my reducers guaranteed to get all the records with the same key?
在很多文本档案中,我用Hive 实际本应不按要求开展工作。 在减小步骤中,它选择了最近每个关键人物的记录。
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