[Bug 8740] New: compress ("-z") should be ignored if both src and dst are local
samba-bugs at samba.org
samba-bugs at samba.org
Thu Feb 2 10:33:38 MST 2012
https://bugzilla.samba.org/show_bug.cgi?id=8740
Summary: compress ("-z") should be ignored if both src and dst
are local
Product: rsync
Version: 3.1.0
Platform: All
OS/Version: All
Status: NEW
Severity: trivial
Priority: P5
Component: core
AssignedTo: wayned at samba.org
ReportedBy: mailinglists35 at gmail.com
QAContact: rsync-qa at samba.org
I once read the manual and remembered my favorite combination of parameters,
which includes "-z"
A couple of days ago I manually started a rsync copy between a local source and
a local destination. Today after screen -x I discovered the rsync is still
running and taking 95% of the cpu. After a bit of wtf'ing around I finally
carefully looked at rsync parameters and noticed my "-z" parameter.
Stopping rsync and restarting without compression brought disk traffic back to
expected.
Truth is I never expected compression to be enabled when copying from local to
local: why would rsync activate compression if both source and destinations are
local, anyway?
A default behaviour to match this expectation would probably save others.
Thanks.
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