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From Ryan Rawson <ryano...@gmail.com>
Subject Re: HBase crashed: FATAL HMaster: Shutting down HBase cluster: file system not available
Date Wed, 07 Oct 2009 19:47:48 GMT
Let me also stress this point, no way can the namenode swap. The zookeeper
processes also require a highly responsive io channel (think dedicated or
non loaded disk).

If the regionservers start to swap you also risk serious problems.

You wouldn't force oracle or mysql to swap, so don't force hbase and hdfs to
swap!

On Oct 7, 2009 11:27 AM, "Andrew Purtell" <apurtell@apache.org> wrote:

You can't allow swapping.

- Andy ________________________________ From: Lucas Nazário dos Santos
<nazario.lucas@gmail....
Sent: Wed, October 7, 2009 10:05:44 AM
Subject: Re: HBase crashed: FATAL HMaster: Shutting down HBase cluster: file
 system not available

There was an exception in the namenode log by the time HBase crashed (see
bellow). Anyway, machine...

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