Thanks that clears it all up!!! On Tue, Mar 26, 2013 at 4:51 PM, Ken Cornetet <[email protected]>wrote:
> Multithreaded isn’t going to help. Think about what is going on during an > archive and compress verses an archive only operation.**** > > ** ** > > When you are compressing and archiving, the file data is read in a single > thread (very low CPU needed), then divided up into chunks. These chunks can > then be dispatched to multiple threads for compression, then another thread > can collect the compressed chunks and write then in the correct order to > the output. Since compression requires lots of CPU, multiple threads can > give you big gains. Plus, your reader and writer threads can overlap > operation with the compression threads effectively eliminating IO time from > the equation. **** > > ** ** > > With archiving only, there isn’t any work to divvy up for multiple threads > to operate on. You have to read data, and write it in order. The limit is > going to be how fast your IO subsystem can read data and write it back out. > **** > > ** ** > > *From:* justino garcia [mailto:[email protected]] > *Sent:* Tuesday, March 26, 2013 4:27 PM > > *To:* NT System Admin Issues > *Subject:* Re: Multithreaded tarbal or tar app for windows**** > > ** ** > > Yes faster operations. Trying to tar a 600 gig of data for legal...**** > > On Tue, Mar 26, 2013 at 4:15 PM, Ken Cornetet <[email protected]> > wrote:**** > > What are you trying to accomplish? Faster operation? Tar is going to be > limited by how fast you can get data in and out. The cpu needed for a > straight tar operation is miniscule. **** > > **** > > *From:* justino garcia [mailto:[email protected]] > *Sent:* Tuesday, March 26, 2013 4:08 PM > *To:* NT System Admin Issues > *Subject:* Multithreaded tarbal or tar app for windows**** > > **** > > Hi,**** > > I am trying to tar (archive) a lot of files Long list.**** > > I tried 7-zip but it won't do multi threading for tar only bzip and .7zip. > **** > > **** > > Anyone have a good suggestion?**** > > **** > > Regards,**** > > **** > > Justino Garcia**** > > **** > > -- > Justin > IT-TECH **** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > > > **** > > ** ** > > -- > Justin > IT-TECH **** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > -- Justin IT-TECH ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
