This is an automated email from the ASF dual-hosted git repository. mck pushed a commit to branch asf-staging in repository https://gitbox.apache.org/repos/asf/cassandra-website.git
The following commit(s) were added to refs/heads/asf-staging by this push:
new 8ac1764 test
8ac1764 is described below
commit 8ac1764a9c22ebbb4a247fa46ae0a9e27e7691bf
Author: mck <[email protected]>
AuthorDate: Thu Apr 22 08:55:41 2021 +0200
test
---
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+<!DOCTYPE html>
+<html lang="en">
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btn--filled" href="/download/">Download Now</a></li>
+ </ul>
+
+ </div>
+ <div class="text-center flex flex-center
flex-column relative z2 ma-xlarge">
+ <h1 class="ma-large">Open Source NoSQL
Database</h1>
+ <h2>Manage massive amounts of data,
fast, without losing sleep</h2>
+ <div id="hero-ctas" class="flex
flex-center ma-large">
+ <a href="/cassandra-basics/"
class="btn btn--filled">Learn More</a>
+ <div class="mx-auto"></div>
+ <a href="/quickstart/"
class="btn btn--filled">Quickstart</a>
+ </div>
+ </div>
+ </header>
+ <section id="first-arrow" class="arrow">
+ <div class="w75 product-highlight mx-auto
pt-xlarge cf">
+ <div class="float50">
+ <p>Join the global Cassandra
community on April 28 as we celebrate the upcoming launch of the 4.0
release!</p>
+ </div>
+ <div class="float50">
+ <p><a class="btn btn--grad
ml-large" href="https://cassandra.apache.org/worldparty/";
target="_blank"><span>Learn More</span></a></p>
+ </div>
+
+ </div>
+ </section>
+ <section id="features" class="grad grad--two
flex-center relative" style="min-height:1300px">
+ <div class="inner text-center py-xxlarge z2">
+ <h2>What is Apache Cassandra?</h2>
+ <h3 class="pa-large">Apache Cassandra
is an open source NoSQL distributed database trusted by thousands of companies
for scalability and high availability without compromising performance. Linear
scalability and proven fault-tolerance on commodity hardware or cloud
infrastructure make it the perfect platform for mission-critical data.</h3>
+ <div id="feature-list" class="mx-auto">
+ <div class="flex
features-container flex-wrap flex-horz-center">
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/hybrid.png" alt=""></div>
+ <h4
class="ma-medium">Hybrid</h4>
+ <p>Masterless
architecture and low latency means Cassandra will withstand an entire data
center outage with no data loss—across public or private clouds and
on-premises.</p>
+ </div>
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/fault.png" alt=""></div>
+ <h4
class="ma-medium">Fault Tolerant</h4>
+ <p>Cassandra's
support for replicating across multiple datacenters is best-in-class, providing
lower latency for your users and the peace of mind of knowing that you can
survive regional outages. Failed nodes can be replaced with no downtime.</p>
+ </div>
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/scalable.png" alt=""></div>
+ <h4
class="ma-medium">Focus on Quality</h4>
+ <p>To ensure
reliability and stability, Cassandra is tested on clusters as large as 1,000
nodes and with hundreds of real world use cases and schemas tested with replay,
fuzz, property-based, fault-injection, and performance tests.
+ </p>
+ </div>
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/performant.png" alt=""></div>
+ <h4
class="ma-medium">Performant</h4>
+ <p>Cassandra <a
href="http://vldb.org/pvldb/vol5/p1724_tilmannrabl_vldb2012.pdf";>consistently
outperforms</a> popular NoSQL alternatives in benchmarks and real applications,
primarily because of fundamental architectural choices.</p>
+ </div>
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/control.png" alt=""></div>
+ <h4
class="ma-medium">You're In Control</h4>
+ <p>Choose
between synchronous or asynchronous replication for each update. Highly
available asynchronous operations are optimized with features like Hinted
Handoff and Read Repair.</p>
+ </div>
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/cloud_native.png" alt=""></div>
+ <h4
class="ma-medium">Security and Observability</h4>
+ <p>The audit
logging feature for operators tracks the DML, DDL, and DCL activity with
minimal impact to normal workload performance, while the fqltool allows the
capture and replay of production workloads for analysis.</p>
+ </div>
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/decentral.png" alt=""></div>
+ <h4
class="ma-medium">DISTRIBUTED</h4>
+ <p>Cassandra is
suitable for applications that can't afford to lose data, even when an entire
data center goes down. There are no single points of failure. There are no
network bottlenecks. Every node in the cluster is identical.</p>
+ </div>
+
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/scalable.png" alt=""></div>
+ <h4
class="ma-medium">Scalable</h4>
+ <p>Read and
write throughput both increase linearly as new machines are added, with no
downtime or interruption to applications.</p>
+ </div>
+ <div class="feature
text-center ma-small my-large pa-small z1">
+ <div
class="img-container"><img src="/img/icons/elastic.png" alt=""></div>
+ <h4
class="ma-medium">Elastic</h4>
+ <p>Cassandra
streams data between nodes during scaling operations such as adding a new node
or datacenter during peak traffic times. Zero Copy Streaming makes this up to
5x faster without vnodes for a more elastic architecture particularly in cloud
and Kubernetes environments.</p>
+ </div>
+ </div>
+ </div>
+ </div>
+ </section>
+ <section id="users" class="arrow">
+ <div class="inner text-center py-large">
+ <h2 class="py-small">Cassandra
Users</h2>
+ <p>Cassandra is used by thousands of companies with large
active data sets.</p>
+ <div id="companies">
+
+ </div>
+ <a class="btn btn--grad mt-xlarge"
href="/case-studies"><span>Read Case Studies</span></a>
+ </div>
+ </section>
+ <section class="quote grad flex flex-center py-large">
+ <div class="inner product-highlight flex
flex-distibute-items flex-vert-center z2">
+ <div class="col-2 text-right pa-large">
+ <img
src="img/companies/BBGEngineering_white.png" alt="">
+ </div>
+ <div class="col-2 pa-large">
+ <div class="flex
flex-horz-center flex-column">
+ <p>Since 2016,
application engineers at Bloomberg have turned to Cassandra because it’s easy
to use, easy to scale, and always available. We serve up more than 20 billion
requests per day on a nearly 1 PB dataset across a fleet of 1,700+ Cassandra
nodes.
+ <strong class="white">
– Isaac Reath, Software Engineering Team Lead, NoSQL Infrastructure at
Bloomberg</strong></p>
+ </div>
+ </div>
+ </div>
+ </section>
+ <section id="community" class="arrow flex flex-center">
+ <div class="inner text-center py-large">
+ <h2 class="py-small">Community
Spotlight</h2>
+ <p class="w50 mx-auto">Here’s what the
Cassandra community has been doing to advance the world’s premier open source
NoSQL database.</p>
+ <div class="cf text-left ma-large
pa-large" >
+ <div class="float50 left">
+ <p><strong>Improving
Apache Cassandra’s Front Door and Backpressure</strong></p>
+ <p class="my-small">As
part of CASSANDRA-15013, we have improved Cassandra’s ability to handle high
throughput workloads, while having enough safeguards in place to protect itself
from potentially going out of memory. In order to better explain the change we
have made, let us understand at a high level, on how an incoming request is
processed by Cassandra before the fix, followed by what we changed, and the new
relevant configuration knobs available.</p>
+ <a class="btn btn--alt
my-small"
href="https://cassandra.apache.org/blog/2020/09/03/improving-resiliency.html";>Read
More</a>
+ </div>
+ <div class="float50 flex
flex-center right pa-medium">
+ <img
src="https://cassandra.apache.org/img/blog-post-improving-resiliency/image1.png";>
+ </div>
+ </div>
+ <div class="cf text-left ma-large
pa-large">
+ <div class="float50 right">
+ <p><strong>Cassandra
Changelog Blog #6</strong></p>
+ <p class="my-small">The
Cassandra Changelog blog is our monthly roundup of key activities and knowledge
to keep the community informed. This month includes an update on the 4.0 rc-1
release, welcoming a new committer, the Cassandra World Party, Google Summer of
Code (GSoC), and more.
+ </p>
+ <a class="btn btn--alt
my-small"
href="https://cassandra.apache.org/blog/2021/04/12/cass-changelog_6.html";>Read
More</a>
+ </div>
+ <div class="float50 flex
flex-center pa-medium">
+ <img
src="img/blog/changelog_rectangle.jpg">
+ </div>
+ </div>
+ <div class="cf text-left ma-large
pa-large">
+ <div class="float50">
+ <p><strong>Cassandra
Kubernetes SIG March Meeting</strong></p>
+ <p
class="my-small">Recent updates to the community-based operator by the
Kubernetes SIG have seen the specification for seeds now supporting hostnames
and separate seeds for separate data centers. Currently, the SIG is discussing
whether cass-operator should have CRDs for keyspaces and roles, how to
accomplish pod-specific configurations, and whether CRDs should represent
Schema.</p>
+ <a class="btn btn--alt
my-small" href="https://www.youtube.com/watch?v=82o_tr9UPgQ";
target="_blank">Watch Recording</a>
+ </div>
+ <div class="float50 flex
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+ <img
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+ </div>
+ </div>
+ </div>
+ </section>
+ <footer class="grad grad--two flex-center pb-xlarge">
+ <div class="inner text-center z2 relative">
+ <h2 class="white py-small">Get started
with Cassandra, fast.</h2>
+ <a href="/quickstart/" class="btn
btn--filled ma-medium">Quickstart Guide</a>
+ </div>
+ <div class="inner flex flex-distribute-items
mt-xlarge z2 relative">
+ <div class="col-2">
+ <div class="logo
mb-medium"><img src="/img/logo-white.svg" alt=""></div>
+ <p>Apache Cassandra powers
mission-critical deployments with improved performance and unparalleled levels
of scale in the cloud.</p>
+ </div>
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+ <ul class="columns-2">
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+
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