Donkey system is a fully automatic MySQL database change
It gives a great help both to the release of the business and the company’s automated operation and maintenance.
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I found a useful tool named sniffer to help us analyze network packages (this tool can capture packages on specific port)
I use sniffer to analyze mysql and redis packages (translate these packages to normal queries)
vc-redis-sniffer is a utility from VividCortex to monitor query activity and write results to a file. See --license for the terms governing your usage of this program. -binding="[::]:6379" This is a list of comma separated bind strings as seen in /proc/net/tcp -help="false" Show this usage message -license="false" Print the usage terms of this program -output="" Filepath to output queries to. Defaults to stdout if none specified. -show-database="false" Include a 'USE `database`' for every statement. Supersedes show-database-changes. -show-database-changes="false" …[Read more]
In the billing migration blogpost published a few
weeks ago, we explained the overall approach employed in
migrating our billing system to the cloud. In this post, the
database migration portion will be covered in detail. We hope
that our experiences will help you as you undertake your own
Have you ever wondered about the elements that need to come together and align to get a complicated database migration right? You might ask, “What makes it complicated?”
Think of any challenge in database migration and pretty much all of them were there in this migration:
- Different hardware between source and target
- OS flavours
- Migration across heterogeneous databases
- Multiple datacenters - Netflix data center (DC) and AWS cloud …
Uber Engineering explains the technical reasoning behind its switch in database technologies, from Postgres to MySQL.
The post Why Uber Engineering Switched from Postgres to MySQL appeared first on Uber Engineering Blog.
we use tcpcopy to make real traffic on our core systems. Many problems will be found in advance if we enlarge queries several times.
Read this PDF TCPCOPY
Sandisk (FusionIO) and Nexenta are working together to build this SDS solution.
Infiniflash is a very large SDS production, which manages for very large DW system who requires large storage space and also high IOPS.
We test infiniflash system ,read this Infiniflash_benchmark
Based on messages, we create mysql replication platforms , using async message to build strong distributed subscription system.
read this PDF : http://www.vmcd.org/docs/MySQL_async_message.pdf
The details and examples of Schemaless triggers, a key feature of the datastore that’s kept Uber Engineering scaling since October 2014. This is the third installment of a three-part series on Schemaless; the first part is a design overview and the second part is a discussion of architecture.
The post Using Triggers On Schemaless, Uber Engineering’s Datastore Using MySQL appeared first on Uber Engineering Blog.
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