Understanding ZFS: Compression


 
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Old 11-19-2008
Understanding ZFS: Compression

One of the most appealing features ZFS offers is built in compression capabilities. The tradeoffs are self evident, consume additional CPU but conserve disk space. If your running an OLTP database then compression probly isn't for you, however if you are doing bulk data archiving this could be a huge win.

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zdb(8)							  System Administration Commands						    zdb(8)

NAME
zdb - ZFS debugger SYNOPSIS
zdb pool DESCRIPTION
The zdb command is used by support engineers to diagnose failures and gather statistics. Since the ZFS file system is always consistent on disk and is self-repairing, zdb should only be run under the direction by a support engineer. If no arguments are specified, zdb, performs basic consistency checks on the pool and associated datasets, and report any problems detected. Any options supported by this command are internal to Sun and subject to change at any time. EXIT STATUS
The following exit values are returned: 0 The pool is consistent. 1 An error was detected. 2 Invalid command line options were specified. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWzfsu | +-----------------------------+-----------------------------+ |Interface Stability |Unstable | +-----------------------------+-----------------------------+ SEE ALSO
zfs(8), zpool(8), attributes(5) SunOS 5.11 31 Oct 2005 zdb(8)