Original Post From Justin Kestelyn
At Cloudera, we put great pride into drinking our own champagne. That pride extends to our support team, in particular.
Cloudera Manager, our end-to-end management platform for CDH (Cloudera’s open-source, enterprise-ready distribution of Apache Hadoop and related projects), has a feature that allows subscription customers to send a snapshot of their cluster to us. When these cluster snapshots come to us from customers, they end up in a CDH cluster at Cloudera where various forms of data processing and aggregation can be performed.
Today, the system provides real-time support via an application we call CSI. When a support employee looks at a ticket, they can use CSI to examine the customer’s latest snapshot and see cluster stats such as version information, number of nodes in service, which services are used, and so on. CSI also visualizes different aggregations and groupings, such as versions, which allows us to detect misconfigured clusters, or issues caused during upgrade or installation.
The system collects a lot of information, including:
The information is parsed, aggregated, and stored in Apache HBase, which provides real-time information to the CSI application. Custom analytic queries are available to support employees upon request via JIRA.
In the near future, however, this data will move to Cloudera Impala (the new real-time query engine for Hadoop, in beta at the time of this writing) over HDFS for analytic use cases, at which point the support organization will use a BI tool to do self-service queries. For example, we could explore questions like:
The end result? Better support, better products, and happier customers. Now, that’s what I call a good vintage.
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