[rrd-users] Rrd Resize Generated a very Big File on MAX OS X (10.5)

[Xiu Yan Zhang]

Rows=66400 and step=60

Look to me no problem with GROW but SHRINK.   SHRINK any number of rows will create a big resize.rrd.

See below as well - the output from rrdtool info.

Jeffrey ( sorry for the big previous email.  I removed the log in this reply)

-------


rrd_version = "0003"
step = 60
last_update = 1224136140
ds[Delta].type = "GAUGE"
ds[Delta].minimal_heartbeat = 7200
ds[Delta].min = NaN
ds[Delta].max = NaN
ds[Delta].last_ds = "0"
ds[Delta].value = 0.0000000000e+00
ds[Delta].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 66400
rra[0].cur_row = 1594
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0


On 10/15/08 10:27 PM, "Tobias Oetiker" <tobi at oetiker.ch> wrote:

Hi Xiu,

question, how many rows does your RRA 0 have ?

cheers
tobi

Yesterday Xiu Yan Zhang wrote:

> Tobias , I trid rrdtool 1.3.4 with macport. Same behavior for resizing as I stated in the initial email.
>
> Then I recompiling it by disabling mmap per your recommendation.  And I m still getting 4GB rrd file for the 2MB orginal file if resized.
>
> Plus, I m getting the following error this time
>
> /usr/local/rrdtool-1.3.4/bin/rrdtool resize $YstDATA/Rrd/YstRrd_DbInst4_SortsDisk.rrd 0 SHRINK 60000
> rrdtool(72564) malloc: *** error for object 0x809940: double free
> *** set a breakpoint in malloc_error_break to debug
>
>
> The attached is the complete log for me to recompile with disable-mmap, make and make install.
> Pls advice. Appreciated.
>
( see previous email)
>
>
>
>
>
> On 10/14/08 10:58 PM, "Tobias Oetiker" <tobi at oetiker.ch> wrote:
>
> Yesterday Xiu Yan Zhang wrote:
>
> > Hi Tobi thanks for your reply.  I downloaded rrdtool with " port rrdtool ".
> >
> > Questions -
> >
> > - How to get rrdtool 1.3.4 ?
> >
> > - How to compile ?
>
> you can find some hints in
>
> http://oss.oetiker.ch/rrdtool/doc/rrdbuild.en.html
>
> cheers
> tobi
>
> >
> > Pls point me where I should read .
> >
> > Thanks
> >
> > Jeffrey
> >
> >
> > On 10/14/08 10:34 PM, "Tobias Oetiker" <tobi at oetiker.ch> wrote:
> >
> > Hi Jeffrey,
> >
> > there are two things:
> >
> > a) the latest stable release is 1.3.4 please try this
> >
> > b) try compiling with --diable-mmap
> >
> > cheers
> > tobi
> >
> >
> >
> > Yesterday Xiu Yan Zhang wrote:
> >
> > > Hi
> > > I m encountering the following issue and need your insight
> > >
> > > (1) MAC OS X 10.5
> > > (2) RRD 1.3.3
> > > (3) for a rrd file with 2M, when I GROW or SHRINK the file with any number of rows, I finally get a resize.rrd with 4GB file size.
> > >
> > > Questions : is there any bug involved ?  How to fix it?
> > >
> > > Thanks for your help.
> > >
> > > Jeffrey
> > >
> >
> > --
> > Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> > http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
> >
> > _______________________________________________
> > rrd-users mailing list
> > rrd-users at lists.oetiker.ch
> > https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
> >
> >
>
> --
> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
>
>

--
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900

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