Re: Estimates taking a long time..

2006-05-29 Thread Paul Bijnens
On 2006-05-26 21:35, Matt Ingram wrote: what is the actual purpose of the estimates? is the estimate very crucial in amanda's operation ? I've tried the estimate calcsize but that still seems to be taking forever. Should I be safe trying estimate server, or could that screw things up ? Aman

Re: Estimates taking a long time..

2006-05-26 Thread Matt Ingram
what is the actual purpose of the estimates? is the estimate very crucial in amanda's operation ? I've tried the estimate calcsize but that still seems to be taking forever. Should I be safe trying estimate server, or could that screw things up ? If I do a flush or dump, and nothing gets wri

Re: Estimates taking a long time..

2006-05-26 Thread Jon LaBadie
On Fri, May 26, 2006 at 01:56:02PM -0400, Matt Ingram wrote: > here's the send sizesize log. To me it appears that it is just taking > that long to create the tar. ??? > > thanks for your response :). > tar has great performance issues with directories containing many small files. I think

Re: Estimates taking a long time..

2006-05-26 Thread Matt Ingram
here's the send sizesize log. To me it appears that it is just taking that long to create the tar. ??? thanks for your response :). sendsize: debug 1 pid 3316 ruid 37 euid 37: start at Fri May 26 00:25:00 2006 sendsize: version 2.4.4 sendsize[3318]: time 0.299: calculating for amname '/ho

Re: Estimates taking a long time..

2006-05-26 Thread Paddy Sreenivasan
On 5/26/06, Matt Ingram <[EMAIL PROTECTED]> wrote: One of our amanda clients takes an incredibly long time to do estimates (17000seconds on a level 0, which is about 210GB), and causes the server to return a estimate timeout error. Seems to be mainly when it tries to do a level 0 backup. the se

Estimates taking a long time..

2006-05-26 Thread Matt Ingram
One of our amanda clients takes an incredibly long time to do estimates (17000seconds on a level 0, which is about 210GB), and causes the server to return a estimate timeout error. Seems to be mainly when it tries to do a level 0 backup. the server that takes this amount of time is accessed t

Re: Estimates taking a long time.

2001-07-23 Thread John R. Jackson
>It uses it to schedule the level 0,1,2,3 dumps and when in the order a >particular filesystem will be backed up? If I understood your question correctly, yes. In (very) general terms, it gathers estimates for a full dump, the same level as last time and (sometimes) the next level. Then it uses

Re: Estimates taking a long time.

2001-07-23 Thread Colin Smith
On Fri, 20 Jul 2001, John R. Jackson wrote: > >... I noticed that the estimates are basically tar operations with > >all of the ouput going to /dev/null. That is what's taking the time. > >Not to get the file's size, but to move the date through that system > >pipe into /dev/null. > > Nope. Ta

Re: Estimates taking a long time.

2001-07-23 Thread Colin Smith
On Fri, 20 Jul 2001, John R. Jackson wrote: > >My question is this. Why run a separate estimate at all? Why not just > >monitor the last couple of backups and extrapolate? > > That's been suggested before, but nobody has had the time to work on it. > It should probably be a dumptype option. I'm

Re: Estimates taking a long time.

2001-07-23 Thread Colin Smith
On 21 Jul 2001, Marc SCHAEFER wrote: > Colin Smith <[EMAIL PROTECTED]> wrote: > > > I'm running backups on 3 Linux systems, one of the systems is a Cobalt > > Qube. All the backups are done using GNU tar. It works OK but the > > try remounting those fs noatime during estimates: > >mount /

Re: Estimates taking a long time.

2001-07-21 Thread Marc SCHAEFER
Colin Smith <[EMAIL PROTECTED]> wrote: > I'm running backups on 3 Linux systems, one of the systems is a Cobalt > Qube. All the backups are done using GNU tar. It works OK but the try remounting those fs noatime during estimates: mount / -o remount,noatime

Re: Estimates taking a long time.

2001-07-20 Thread Bernhard R. Erdmann
> I was just going to write about this. I have just turned on gnutar > backups. I noticed that the estimates are basically tar operations with > all of the ouput going to /dev/null. That is what's taking the time. > Not to get the file's size, but to move the date through that system > pipe int

Re: Estimates taking a long time.

2001-07-20 Thread Bernhard R. Erdmann
> I was just going to write about this. I have just turned on gnutar > backups. I noticed that the estimates are basically tar operations with > all of the ouput going to /dev/null. That is what's taking the time. > Not to get the file's size, but to move the date through that system > pipe int

Re: Estimates taking a long time.

2001-07-20 Thread John R. Jackson
>... I noticed that the estimates are basically tar operations with >all of the ouput going to /dev/null. That is what's taking the time. >Not to get the file's size, but to move the date through that system >pipe into /dev/null. Nope. Tar knows it is writing to /dev/null and optimizes out the

Re: Estimates taking a long time.

2001-07-20 Thread Jason Brooks
Wow! I was just going to write about this. I have just turned on gnutar backups. I noticed that the estimates are basically tar operations with all of the ouput going to /dev/null. That is what's taking the time. Not to get the file's size, but to move the date through that system pipe into

Re: Estimates taking a long time.

2001-07-20 Thread John R. Jackson
>My question is this. Why run a separate estimate at all? Why not just >monitor the last couple of backups and extrapolate? That's been suggested before, but nobody has had the time to work on it. It should probably be a dumptype option. I'm perfectly happy with the way estimates are done on my

Estimates taking a long time.

2001-07-20 Thread Colin Smith
I'm running backups on 3 Linux systems, one of the systems is a Cobalt Qube. All the backups are done using GNU tar. It works OK but the estimation time on the backups is nasty. I think I'll turn off the estimation and just run full dumps every day. The Qube is the slow system with the problem be