From 183f51fe5830c562aef4c64e5c7d1a47127bbaa6 Mon Sep 17 00:00:00 2001 From: Gian Merlino Date: Tue, 14 Jul 2015 10:49:24 -0700 Subject: [PATCH] Clearer language around external dependencies in tutorials. --- docs/content/tutorials/tutorial-a-first-look-at-druid.md | 6 +++--- docs/content/tutorials/tutorial-the-druid-cluster.md | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/docs/content/tutorials/tutorial-a-first-look-at-druid.md b/docs/content/tutorials/tutorial-a-first-look-at-druid.md index 2a88be0189c..0436dbeadff 100644 --- a/docs/content/tutorials/tutorial-a-first-look-at-druid.md +++ b/docs/content/tutorials/tutorial-a-first-look-at-druid.md @@ -77,9 +77,9 @@ You should see a bunch of files: ## External Dependencies Druid requires 3 external dependencies. -* A "deep storage" that acts as a backup data repository. -* A "metadata storage" such as MySQL to hold configuration and metadata information. Druid uses [Apache Derby](http://db.apache.org/derby/) by default. -* [Apache Zookeeper](http://zookeeper.apache.org/) for coordination among different pieces of the cluster. For this tutorial, we only need the zookeeper dependency. +* A "deep storage" that acts as a data repository. This is generally distributed storage like HDFS or S3. For prototyping or experimentation on a single machine, Druid can use the local filesystem. +* A "metadata storage" to hold configuration and metadata information. This is generally a small, shared database like MySQL or Postgres. For prototyping or experimentation on a single machine, Druid can use a local instance of [Apache Derby](http://db.apache.org/derby/). +* [Apache Zookeeper](http://zookeeper.apache.org/) for coordination among different pieces of the cluster. #### Set up Zookeeper diff --git a/docs/content/tutorials/tutorial-the-druid-cluster.md b/docs/content/tutorials/tutorial-the-druid-cluster.md index 724353adca4..f0c5b76c63d 100644 --- a/docs/content/tutorials/tutorial-the-druid-cluster.md +++ b/docs/content/tutorials/tutorial-the-druid-cluster.md @@ -24,9 +24,9 @@ cd druid-0.7.1 ## External Dependencies Druid requires 3 external dependencies. -* A "deep storage" that acts as a backup data repository. -* A "metadata storage" such as MySQL to hold configuration and metadata information. Druid uses [Apache Derby](http://db.apache.org/derby/) by default. -* [Apache Zookeeper](http://zookeeper.apache.org/) for coordination among different pieces of the cluster. For this tutorial, we only need the zookeeper dependency. +* A "deep storage" that acts as a data repository. This is generally distributed storage like HDFS or S3. For prototyping or experimentation on a single machine, Druid can use the local filesystem. +* A "metadata storage" to hold configuration and metadata information. This is generally a small, shared database like MySQL or Postgres. For prototyping or experimentation on a single machine, Druid can use a local instance of [Apache Derby](http://db.apache.org/derby/). +* [Apache Zookeeper](http://zookeeper.apache.org/) for coordination among different pieces of the cluster. For deep storage, we will use the local disk in this tutorial, but for production, HDFS and S3 are popular options. For the metadata storage, Derby is used, but for production Mysql or PostgreSQL etc should be used.