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Crash-only design

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Sat, 09/24/2011 - 13:05
yojimbo87
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Joined: 08/18/2011
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Hi folks!

I would like to ask if Couchbase Server 2.0 has similar crash-only design like CouchDB has - server does not go through a shut down process, it’s simply terminated, and also if there is no need for data recovery process.

Thanks for your time and answers.

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Tue, 09/27/2011 - 15:54
perry
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Joined: 10/11/2010
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Yes, it has a similar design...though not exactly the same.

The actual database on disk is crash-only, but we have a shutdown process to ensure that data still held in RAM gets written to disk (when a graceful shutdown/service stop happens). When starting back up, the server needs to load this data back into RAM before serving to the application. We're currently working on ways to speed this up as it can take quite a long time in certain situations.

Perry

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