MIN/MAX Optimization and Asynchronous Global Index Maintenance
Feed: Striving for Optimal Performance. In this short post I would like to point out a non-obvious issue that one of my customers recently hit. On the one hand, it’s a typical case where the query...
View ArticleMySQL Functional Index and use cases.
Feed: Planet MySQL; Author: MyDBOPS; MySQL has introduced the concept of functional index in MySQL 8.0.13. It is one of the much needed feature for query optimisation , we have seen about histogram in...
View ArticleClik here to view.
Loading ongoing data lake changes with AWS DMS and AWS Glue
Feed: AWS Big Data Blog. Building a data lake on Amazon S3 provides an organization with countless benefits. It allows you to access diverse data sources, determine unique relationships, build AI/ML...
View ArticleClik here to view.
Sharma-ji, his ‘beta’, and his 140: Luck, talent and covering our Bayes-es in...
Feed: Big Data Made Simple. Author: Chinmoy Rajurkar. “India beat Pakistan after ruthless Rohit Sharma sets insurmountable target at Cricket World Cup” — The Telegraph “India vs Pakistan: Rohit...
View ArticleClik here to view.
Handling Large Data Volumes with MySQL and MariaDB
Feed: Planet MySQL; Author: Severalnines; Most databases grow in size over time. The growth is not always fast enough to impact the performance of the database, but there are definitely cases where...
View Articlegroupdata2 version 1.1.0 released on CRAN
Feed: R-bloggers. Author: Ludvig Olsen. (This article was first published on R, and kindly contributed to R-bloggers) A few days ago, I released a new version of my R package, groupdata2, on CRAN....
View ArticleKirk Roybal: Partitioning enhancements in PostgreSQL 12
Feed: Planet PostgreSQL. Declarative partitioning got some attention in the PostgreSQL 12 release, with some very handy features. There has been some pretty dramatic improvement in partition selection...
View ArticleClik here to view.
Diagnostic Data Processing on Cloudera Altus
Feed: Cloud – Cloudera Engineering Blog. Author: Shelby Khan. Fig 1 – Architecture Introduction Many of Cloudera’s customers set up Cloudera Manager to collect their clusters’ diagnostic data on a...
View ArticleClik here to view.
How to Enjoy Hybrid Partitioning with Teradata Columnar
Feed: Teradata Blog. Hybrids are nothing new. One of my favorite fruits, the nectarine, is a hybrid between a peach and a plum. Hybrid tea roses, one of the most recognized and popular variety of cut...
View ArticleThe MySQL 8.0.17 Maintenance Release is Generally Available
Feed: Planet MySQL; Author: Geir Hoydalsvik; The MySQL Development team is very happy to announce that MySQL 8.0.17 is now available for download at dev.mysql.com. In addition to bug fixes there are a...
View ArticleClik here to view.
MySQL Optimizer: Naughty Aberrations on Queries Combining WHERE, ORDER BY and...
Feed: Planet MySQL; Author: Jean-François Gagné; Jean-François Gagné | July 29, 2019 | Posted In: MySQL Sometimes, the MySQL Optimizer chooses a wrong plan, and a query that should execute in less...
View ArticleClik here to view.
Forrester 2019 Enterprise BI Platform Wave™ Evaluations — Research Update
Feed: Planet big data. Author: Boris Evelson. Forrester has just published 2019 refreshes of our enterprise business intelligence (BI) platform Wave evaluations. As the BI market and the technology...
View ArticleClik here to view.
Load ongoing data lake changes with AWS DMS and AWS Glue
Feed: AWS Big Data Blog. Building a data lake on Amazon S3 provides an organization with countless benefits. It allows you to access diverse data sources, determine unique relationships, build AI/ML...
View ArticleSven Klemm: OrderedAppend: An optimization for range partitioning
Feed: Planet PostgreSQL. With this feature, we’ve seen up to 100x performance improvements for certain queries. In our previous post on implementing constraint exclusion, we discussed how TimescaleDB...
View ArticleClik here to view.
How to Format an External Hard Drive the Easy Way in 2019
Feed: Cloudwards. Author: Jacob Roach; If you’ve run into issues with your hard drive, formatting is one of the first steps you should take to troubleshoot it. Formatting allows you to overwrite all...
View ArticleClik here to view.
How to Solve an External Hard Drive Not Showing Up in 2019
Feed: Cloudwards. Author: Jacob Roach; No matter how extensively we test our best external hard drives for errors, some units will have problems. It’s the nature of the beast, unfortunately, and though...
View ArticleClik here to view.
Fun with Bugs #87 – On MySQL Bug Reports I am Subscribed to, Part XXI
Feed: Planet MySQL; Author: Valeriy Kravchuk; After a 3 months long break I’d like to continue reviewing MySQL bug reports that I am subscribed to. This issue is devoted to bug reports I’ve considered...
View ArticleClik here to view.
Auto-Scaling Clusters with Hazelcast Cloud
Feed: Blog – Hazelcast. Author: Enes Akar. As cloud technologies evolve, applications require less human intervention and maintenance. “Serverless” is a term that implies that users should have nothing...
View ArticleClik here to view.
Build, secure, and manage data lakes with AWS Lake Formation
Feed: AWS Big Data Blog. A data lake is a centralized store of a variety of data types for analysis by multiple analytics approaches and groups. Many organizations are moving their data into a data...
View ArticleAWS Lake Formation is now generally available
Feed: Recent Announcements. However, setting up and managing data lakes today involves a lot of manual, complicated, and time-consuming tasks. This work includes loading data from diverse sources,...
View Article