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WOS ROS differences

Write Optimized Store (WOS) Deprecation – What You Need to Know

Sumeet Keswani, Vertica Product Technology Engineer
March 23, 2020

In Vertica 10.0, WOS (Write Optimized Store) will be deprecated. In this blog, we introduce the historical justification for WOS and its purpose, why we believe that it's no longer needed, and our justification for deprecating it. We'll go over the data and the testing we performed that gives us the confidence to ensure that...

Announcing Vertica 9.3 Instructor-Led Training Courses

Drea Brandford, Technical Consultant
November 21, 2019

Just in time for the release of version 9.3, Vertica is pleased to announce the release of two updated instructor-led training courses: Vertica 9.3 Essentials and Vertica 9.3 Descriptive Analytics. A description of each course follows: Vertica 9.3 Essentials This 4-day course explores the capabilities of the Vertica platform solution in Enterprise mode, and prepares...

Announcing Vertica Eon 9.x Essentials Course

Herb Collins, Technical Consultant
November 13, 2019

We have just released a new instructor-led course: Vertica Eon 9.x Essentials Course code: VT120EON This course provides live instructions on Vertica Eon v9.3, accompanied by comprehensive hands-on labs. Running on a public cloud platform, Vertica Eon Essentials allows users to directly connect with the Vertica Eon database and the Management Console to interact with...
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1 – What are Complex Data Types?

Waqas Dhillon, Product Manager - Machine Learning, Vertica
October 28, 2019

Co-authored by James Clampffer, Deepak Majeti. - First in a series A lot of projects require querying ORC or Parquet files, or other data that may have internal types that are a bit more complex than usual. It’s a little hard to explain what we mean when we say, “complex.” So, this is the first in...
Create Read Update Delete in red 3D letters surrounded by 3D ones and zeroes

Vertica 9.3 Supports UPDATE and DELETE Operations on Tables Having Live Aggregate Projections!

Jim Knicely, Vertica Field Chief Technologist
October 17, 2019

A live aggregate projection contains columns with values that are aggregated from columns in its anchor table. When you load data into the table, Vertica aggregates the data before loading it into the live aggregate projection. On subsequent loads (for example, through INSERT or COPY) Vertica recalculates aggregations with the new data and updates the...
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Announcing Vertica Version 9.3 – Ride the Winds of Change

Paige Roberts, Vertica Open Source Relations Manager
October 16, 2019

The winds of change have been blowing strong. This week, Vertica version 9.3 made its big splash. Vertica has a tendency to pack a lot of features even into minor releases, and this is not a minor release. Rather than dive deep, I’m going to skim the surface of the ocean of new features. Eon...
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Announcing Vertica Version 9.2.1 – Take Analytics Efficiency to the Next Level

Paige Roberts, Vertica Open Source Relations Manager
May 10, 2019

This week, some very cool things have gone into the newest version of the Vertica Analytics Platform that make your analytics fly and save on your AWS budget. The theme for this release is Improving Vertica in Eon Mode Integration with Amazon S3, and there are a whole bunch of new features designed to do...

What’s New in Vertica 9.2?

Soniya Shah, Information Developer
December 5, 2018

The latest version of Vertica was released earlier this month and with it comes a host of new features. In Vertica 9.2, we introduced several new features including: Eon Mode Updates Management Console changes Performance improvements Upgrade and installation changes Voltage SecureData updates Management Console Changes These Management Console updates only affect users on AWS....
Programmer

Before Upgrading: Identify and Remove Unsupported Projections

Phil Molea, Sr. Information Developer, Vertica
October 30, 2018

With Vertica 9.1 and 9.2, Vertica has removed support for the following projections: Vertica 9.1: Projection buddies with different SELECT and ORDER BY clauses. All projection buddies must specify columns in the same order. The Vertica database regards projections with non-compliant buddies as unsafe. Vertica 9.2: Pre-join and range segmentation projections. If a table's only...

Setting the Table-Level Active Partition Count: Quick Tip

Phil Molea, Sr. Information Developer, Vertica
August 30, 2018

Jim Knicely authored this tip. The Tuple Mover assumes that all loads and updates to a partitioned table are targeted to one or more partitions that it identifies as active. In general, the partitions with the largest partition keys—typically, the most recently created partitions—are regarded as active. As the partition ages, it commonly transitions to...

What’s New in Management Console 9.1

Linda
August 24, 2018

This blog post was authored by Lisa Donaghue. In Vertica 9.1, Management Console (MC) introduces improved monitoring for external tables and HCatalog data, and the ability to revive Eon Mode databases in a new cluster. MC also includes management and monitoring capabilities for databases running in Eon Mode, a database mode previously in beta. Eon...

Setting the Max Memory Available by Query: Quick Tip

Phil Molea, Sr. Information Developer, Vertica
August 21, 2018

Jim Knicely authored this tip. Vertica 9.1.1 introduces the new Resource Pool parameter MAXQUERYMEMORYSIZE. Its value represents the maximum amount of memory the pool can allocate at runtime to process a query. If the query requires more memory than this setting, Vertica stops execution and returns an error. dbadmin=> CREATE RESOURCE POOL limited_by_query MAXQUERYMEMORYSIZE '1K';...