547 posts
OmniFocus is the most powerful "Getting Things Done" tool for managing tasks and affairs on iOS and Mac, helping you organize your work and life logically. This Mac productivity tool helps you capture and manage tasks and ideas to get things done.
The IETF announced that TLS 1.0 (RFC 2246) and TLS 1.1 (RFC 4346) are formally deprecated. These versions lack support for current and recommended cryptographic algorithms and mechanisms.
ZooKeeper is a distributed, open-source coordination service for distributed applications, an open-source implementation of Google's Chubby, and a key component of Hadoop and HBase. It accepts watchers' registrations and notifies them when data changes — think of it as ZooKeeper = filesystem + notification mechanism.
Firefox announced that Firefox 87 introduces a stricter, more privacy-preserving default referrer policy. From now on, Firefox will trim path and query string information from the Referer header by default, preventing sites from accidentally leaking sensitive user data.
The previous tutorial introduced how MapReduce executes and sketched out InputFormat. Now it's time to talk about Shuffle. The data processing that happens after the Map method and before the Reduce method is called Shuffle.
In the previous post we got hands-on with MapReduce by writing some code. The MapReduce workflow looks roughly like this.
Last session we went through using MapReduce from code, where we met Writable classes for the first time. This section covers roughly what they're for.
Last post gave us a general idea of what MapReduce is. In this one we'll implement WordCount in code and get a feel for how MapReduce actually works.
Earlier posts introduced HDFS. Now let's dip into the other core Hadoop component: MapReduce.
On March 18, 2021, GitLab — the world's second-largest open source software company — announced that JiHu Information Technology (Hubei) Co., Ltd. has officially registered in Wuhan, China.
