Showing entries 1 to 2
Displaying posts with tag: unstructured data (reset)
Aug
30
2017
Nested Data Structures in ClickHouse
Posted by MySQL Performance Blog on Wed 30 Aug 2017 18:21 UTC
Tags:

In this blog post, we’ll look at nested data structures in ClickHouse and how this can be used with PMM to look at queries.

Nested structures are not common in Relational Database Management Systems. Usually, it’s just flat tables. Sometimes it would be convenient to store unstructured information in structured databases.

We are working to adapt ClickHouse as a long term storage for Percona Monitoring and Management (PMM), and particularly to store detailed information about queries. One of the problems we are trying to solve is to count the different errors that cause a particular query to fail.

For example, for date 2017-08-17 the query: 

"SELECT foo FROM bar WHERE …
[Read more]
Oct
06
2011
Got open source cloud storage? Red Hat buys Gluster
Posted by The 451 Group on Thu 06 Oct 2011 01:15 UTC
Tags:

Red Hat’s $136m acquisition of open source storage vendor Gluster marks Red Hat’s biggest buy since JBoss and starts the fourth quarter with a very intersting deal. The acquisition is definitely good for Red Hat since it bolsters its Cloud Forms IaaS and OpenShift PaaS technology and strategy with storage, which is often the starting point for enterprise and service provider cloud computing deployments. The acquisition also gives Red Hat another weapon in its fight against VMware, Microsoft and others, including OpenStack, of which Gluster is a member (more on that further down). The deal is also good for Gluster given the sizeable price Red Hat is paying for the provider of open source, software-based, scale-out storage for unstructured data and also as validation of both open source and software in today’s IT and cloud computing storage.

…

[Read more]
Showing entries 1 to 2