Updating module dependencies arch

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Your cluster’s operation can hiccup because of any of a myriad set of reasons from bugs in HBase itself through misconfigurations — misconfiguration of HBase but also operating system misconfigurations — through to hardware problems whether it be a bug in your network card drivers or an underprovisioned RAM bus (to mention two recent examples of hardware issues that manifested as "HBase is slow").You will also need to do a recalibration if up to this your computing has been bound to a single box.The basic Linux monitoring commands such as In the previous example, the HUP signal was sent to the process.

To protect existing HBase installations from new vulnerabilities, please do not use JIRA to report security-related bugs.

Instead, send your report to the mailing list [email protected], which allows anyone to send messages, but restricts who can read them.

Someone on that list will contact you to follow up on your report.

By default, unless you configure the This procedure assumes that you have configured Hadoop and HDFS on your local system and/or a remote system, and that they are running and available. The guide on Setting up a Single Node Cluster in the Hadoop documentation is a good starting point.

In reality, you need a fully-distributed configuration to fully test HBase and to use it in real-world scenarios.

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