> -----Original Message----- > From: [email protected] [mailto:rsyslog- > [email protected]] On Behalf Of Aaron Nichols > Sent: Wednesday, October 21, 2009 4:25 PM > To: rsyslog-users > Subject: Re: [rsyslog] Enabling > $ActionFileEnableSynccausedmassiveincreaseinwrite volume (bytes/sec) to > NAS -cansomeone helpshed light? > > On Wed, Oct 21, 2009 at 7:22 AM, Rainer Gerhards > <[email protected]>wrote: > > > That indeed sounds odd. Are you sure the $ActionFileEnableSync is in > front > > of > > all write statements? On some systems, write statements may be > included via > > files and if these are in front of the directive, those would be > unaffected > > by it... > > > > We do also use includes but in this case $ActionFileEnableSync was at > the > top of the included file with all write statements below it. I will > also > note that the write volume changed significantly with two different > config > changes. To uber-simplify my original email: > > "normal" volume - $ActionFileEnableSync off & all actions include "-" > in > front : 2-3mbps ~30 iops > $ActionFileEnableSync off & all actions exclude "-" in front : 5mbps > (~100% > increase) (iops unknown) > $ActionFileEnableSync on & all actions exclude "-" in front : 9mbps > (~300-400% increase) ~900 iops > > I am using a mix of static and dynamic filename actions and some > actions use > format templates as well. I suppose there could be one of those > combinations > which is not honoring the global $ActionFileEnableSync configuration.
I may be overlooking something here, but the check is very straightforward and I don't see why some should be affected but others not. This is the file (and spot) in question: http://git.adiscon.com/?p=rsyslog.git;a=blob;f=tools/omfile.c;h=bb12b4b61dacb 84167b9b0d17e49a597342dddc0;hb=07b076ddcfed4ea9b447d0be574d1dcdb799bc2f#l623 Do a search for "bEnableSync" to see all occurences. But the debug log will show... Rainer > Again, > I need to do some testing because at this point I'm just making guesses > without much information. > > Thanks, > Aaron > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com _______________________________________________ rsyslog mailing list http://lists.adiscon.net/mailman/listinfo/rsyslog http://www.rsyslog.com
