---
title: "This week's database news, issue 40"
publication: "DB Weekly"
issue: 40
published_at: "2014-11-28"
canonical_url: "https://dbweekly.com/issues/40"
---

This week's database news, issue 40

This week's database news, supported by Rackspace[Read this e-mail on the Web](http://dbweekly.com/issues/40)

DB WeeklyIssue 40 — November 28, 2014

Supported by [![\](http://dbweekly.com/images/rackspacetrans.png)](http://rackspace.com/?utm_source=dbweekly&utm_medium=email)

[Using a Graph Database to Ensure a Routable Road Network](https://vimeo.com/110711119?utm_source=dbweekly&utm_medium=email)Pieter CailliauAt GraphConnect 2014, Pieter Cailliau, a developer at GPS device company TomTom, gave a talk about how road networks are represented in graph databases and how these can be used to produce useful routes.


[twemproxy: A Fast, Light-Weight Proxy for memcached and Redis](https://github.com/twitter/twemproxy?utm_source=dbweekly&utm_medium=email)Twitter, Inc.A fast and lightweight proxy for the memcached and Redis protocols built primarily to reduce the connection count on backend caching servers.


[Redis Performance Metrics - Latency is King](http://engineering.objectrocket.com/2014/11/04/thoughts-redis-performance/?cm_mmc=data-_-redis-_-contentawareness-_-dbweekly-blog)RackspaceSponsoredThere are essentially two performance metrics you are primarily concerned with when using Redis: how many commands per second can I execute and how long do they take. Read more about avoiding Redis performance slowdowns.

[![Rackspace\](http://s3.amazonaws.com/nlga/uploads/item/image/30156/i.png)](http://engineering.objectrocket.com/2014/11/04/thoughts-redis-performance/?cm_mmc=data-_-redis-_-contentawareness-_-dbweekly-blog)


[MongoDB vs SQL](http://www.mongodb.com/blog/post/mongodb-vs-sql-day-1-2?utm_source=dbweekly&utm_medium=email)Buzz MoschettiThe first in a series of posts where the differences between building a SQL-backed app vs a MongoDB-backed app will be analyzed. Note the potential bias, however.


[Medians in SQL](https://www.periscope.io/blog/medians-in-sql.html?utm_source=dbweekly&utm_medium=email)PeriscopeSQL makes basic sum, averages, and other mathematical operations easy, but certain ones like medians or 95/99th percentiles can be tougher. Here’s a great post showing the tools available to help get medians and others.


[DeepSort: Scalable Sorting with High Efficiency [PDF\]](http://sortbenchmark.org/DeepSort2014.pdf?utm_source=dbweekly&utm_medium=email)Li and LeeA paper looking at record breaking data sorting, up to 3.7TB per minute across 400 nodes.


[Introduction to IndexedDB: The In-Browser Database](http://www.codemag.com/Article/1411041?utm_source=dbweekly&utm_medium=email)Craig ShoemakerIndexedDB is an in-browser document database supported by most recent browsers (but polyfills are available). This article presents an extensive introduction.


[New OSS Tool Links Postgres and MySQL](http://blogs.enterprisedb.com/2014/11/13/new-os-tool-links-postgres-and-mysql/?utm_source=dbweekly&utm_medium=email)EnterpriseDBHave instances of both Postgres and MySQL and want to connect data between both? Here’s a tool to help with that.


Jobs

In brief

Curated by [Peter Cooper](http://twitter.com/peterc) and published by [Cooper Press](https://cooperpress.com/) for [Rackspace](http://www.rackspace.com/?utm_source=dbweekly&utm_medium=email).
Send feedback by simply replying to this mail.
Want to sponsor an issue? See our [media kit.](https://cooperpress.com/mediakit2014q4.pdf)
Want to post a job? E-mail us or [use our self-serve system.](https://cooperpress.com/jobs)

[Unsubscribe](*|UNSUB|*) : [Change email address](*|UPDATE_PROFILE|*) : [Read this issue on the Web](http://dbweekly.com/issues/40)

© Cooper Press Ltd. Office 30, Lincoln Way, Louth, LN11 0LS, UK
[Email policy](https://cooperpress.com/spam.html) [Privacy policy](https://cooperpress.com/privacy.html)