Hadoop data retrieval speed
I am new to Hadoop. I am interested in knowing the speed of fetching data in Hadoop and the tools that can be used for fetching data.
Hadoop and Object Reuse, Why?
In Hadoop, objects passed to reducers are reused. This is extremely surprising and hard to track down if you’re not expecting it. Furthermore, the original tracker for this “feature” doesn’t offer any evidence that this change actually improved performance (unless I missed it).
Hadoop and Object Reuse, Why?
In Hadoop, objects passed to reducers are reused. This is extremely surprising and hard to track down if you’re not expecting it. Furthermore, the original tracker for this “feature” doesn’t offer any evidence that this change actually improved performance (unless I missed it).
Improve communication between controller and trackers in a Twitter fetcher tool using RabbitMQ or Apache Flume
I’ve been working for a time with some researches developing a tool to fetch tweets from Twitter and process them in some way. The first prototype “worked” but became a pain as we used sockets to connect different components. The architecture was similar to this: