what is cassandra

Use of trademarks without permission is strictly prohibited. In my free time I like to say that I'm Movie Fanatic, Music Lover and bringing the best from México (Mexihtli) to the rest of the world and in the process photographing it ;) It is also a fully distributed DB, meaning that there is no master DB (unlike Oracle or MySQL) so this allows this database to have no point of failure. She is the deuteragonist of Tangled: Before Ever After and the tritagonist its follow-up series. Facebook uses the latter to power their Inbox Search feature. Now, the label Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!Learn a new word every day. The story of Cassandra comes from Greek mythology and is both tragic and ironic, as such myths tend to be. See more. Cassandra is highly scalable and you can increase performance just by adding a new rack.

Facebook uses the latter to power their Inbox Search feature. He was amazed and displeased when she refused his romantic advances, and he became vengeful. This means all the nodes can be cheaper, commodity servers. Cassandra is the tetartagonist of the Tangled franchise. Cassandra è una figura della mitologia greca. As some of you may know, in my current role at Pythian I am tackling OSDB, and Cassandra is on my radar. He cursed Cassandra with a gift of prophecy with an especially cruel twist: he guaranteed that while she would always be right, no one would ever believe her predictions. One of Cassandra’s many benefits is that it’s an open source DB with deep developer support. Other brands, product and company names on this website may be trademarks or registered trademarks of Pythian or of third parties. Delivered to your inbox! She caught the eye of the god Apollo, who was accustomed to getting what he wanted. It was released as an open source project on Google Code and then incubated at Apache, nowadays, Cassandra is considered a Top-Level-Project.

One of the things I have been trying to do is learn what Cassandra is, so in this post, I’m going to share a bit of what I have been able to learn.Cassandra, in layman’s terms, is a NoSQL database developed in JavaOne. In the next post, I will go over the architecture concepts of what a Seed node is, the purpose of the Snitch and topologies, the Coordinator node, replication factors, etc.André Araújo, a great friend of mine and previous Pythianite, wrote about his © Copyright 2020 Pythian Group Inc. ® ALL RIGHTS RESERVED.PYTHIAN®, LOVE YOUR DATA®, and ADMINISCOPE® are trademarks and registered trademarks owned by Pythian in North America and certain other countries, and are valuable assets of our company. Cassandra foretold the fall of Troy and other disastrous happenings, though she was ignored. How to use Cassandra in a sentence. Currently I am an Oracle ACE ; Speaker at Oracle Open World, Oracle Developers Day, OTN Tour Latin America and APAC region and IOUG Collaborate ; Co-President of ORAMEX (Mexico Oracle User Group); At the moment I am an Oracle Project Engineer at Pythian.

Currently there are 2 versions of Cassandra: It was released as an open source project on Google Code and then incubated at Apache, nowadays, Cassandra is considered a Top-Level-Project. First of all, there is no “master” that needs to be super-sized to handle orchestrating and managing data. Did You Know?

It also touts being linearly scalable, meaning that if you have 2 nodes and a throughput of 100,000 transactions per second, and you added 2 more nodes, you would now get 200,000 transactions per second, and so forth.Cassandra is based on 2 core technologies, Google’s Big Table and Amazon’s Dynamo. Currently there are 2 versions of Cassandra:Since Cassandra is a distributed system, it follows the CAP Theorem, which is awesomely explained here, and it states that, in a distributed system, you can only have Cassandra stores data according to the column family data model where:Also we need to understand the basic architecture of Cassandra, which has the following key structures:Hopefully this will help you understand the basic Cassandra concepts. Cassandra definition is - a daughter of Priam endowed with the gift of prophecy but fated never to be believed. Cassandra was the daughter of Priam, the king of Troy. Cassandra definition, a daughter of Priam and Hecuba, a prophet cursed by Apollo so that her prophecies, though true, were fated never to be believed. She is the biological daughter of Mother Gothel who was abandoned as a child when Gothel kidnapped Princess Rapunzel and hid away from the world. Cassandra is based on 2 core technologies, Google’s Big Table and Amazon’s Dynamo. Cassandra is best for heavy write systems .For example, data is logged for each request based on hits in web analytics, by type of browser, traffic sources, position, character, technology, tools, etc. È ricordata da Omero, Apollodoro, Virgilio e Igino.Gemella di Eleno, figlia di Ecuba e di Priamo re di Troia, fu sacerdotessa nel tempio di Apollo da cui ebbe la facoltà della preveggenza, prevedeva terribili sventure ed era pertanto invisa a molti.

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