[Xymon] RRD files are too big

[Jeremy Laidman]

Forgot to cc the list.

On Wed., 28 Mar. 2018, 10:50 am Jeremy Laidman, <jeremy at laidman.org> wrote:

> I see the same thing.
>
> Run "rrdtool info /path/to/file.rrd | grep cf" on both old and new RRD
> files. I'm guessing you will see many more consolidation functions in the
> newer RRD files. This may be due to an enhanced rrddefinitions.cfg file in
> the Terabithia package, apparently extended for the 4.3.13 release. The
> additional CFs are related to Holt-Winters prediction (HWPREDICT).
>
> I suspect you could copy in the previous rrddefinitions.cfg file, delete
> an RRD file, and it'll get created without the extra CFs, and much smaller.
>
> It may be possible to export, edit, import so as to not lose data.
>
> J
>
>
> On 28 March 2018 at 08:35, Mills,David (HHSC Contractor) <
> David.Mills at hhsc.state.tx.us> wrote:
>
>> Hey, Folks…
>>
>>
>>
>> I posted on this issue a few months ago (cf
>> http://lists.xymon.com/archive/2017-November/045048.html),  but still
>> need help.
>>
>>
>>
>> I migrated / upgraded from Xymon 4.3.3 on a Solaris 10 host to a Linux
>> host (RHEL 6) using the Terbithia binaries (4.3.28), and things have been
>> doing well for the most part. Unfortunately the new RRD files are massively
>> bigger than the original ones on the old server, causing a lot of space
>> issues on the file system.
>>
>>
>>
>> The old RRD files took up around 38KB each (avg.) but the new ones are
>> fairly uniform at 400+KB each.
>>
>>
>>
>> Can anyone please tell me how to get those big files down-sized back to
>> something much closer to the old sizes? Or, perhaps, someone can point me
>> at the parameters Xymon uses that determine the RRD file sizes?
>>
>>
>>
>> FWIW, this is a representative listing of one host’s RRD files:
>>
>>
>>
>> 16:33:08 lwmp043:[xymon]/xymon-data/rrd> ls twiu003/
>>
>> total 13M
>>
>> drwxr-xr-x    2 xymon xymon 4.0K Feb 26 12:14 ./
>>
>> drwxr-xr-x 6284 xymon xymon 204K Mar 22 07:39 ../
>>
>> -rw-r--r--    1 xymon xymon 213K Mar 27 15:57 clock.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 15:52 disk,dev,odm.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:36 disk,dev,vx,dmp.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:31 disk,dev,vx,rdmp.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 16:12 disk,dpool.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 15:41 disk,etc,dfs,sharetab.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 15:57 disk,etc,svc,volatile.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:31 disk,export.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 16:17 disk,export,zones,cit032.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 15:01 disk,export,zones,clt031.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:41 disk,export,zones.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 15:16 disk,root.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:46 disk,tmp.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:56 disk,var.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:56 ifstat.aggr2.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 15:01 ifstat.aggr3.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:31 ifstat.e1000g3.rrd
>>
>> -rw-r--r--    1 xymon xymon 423K Mar 27 14:31 ifstat.nxge0.rrd
>>
>> -rw-r--r--    1 xymon xymon 213K Mar 27 15:01 la.rrd
>>
>> -rw-r--r--    1 xymon xymon 213K Mar 27 15:11 memory.real.rrd
>>
>> -rw-r--r--    1 xymon xymon 213K Mar 27 14:36 memory.swap.rrd
>>
>> -rw-r--r--    1 xymon xymon 3.3M Mar 27 16:17 netstat.rrd
>>
>> -rw-r--r--    1 xymon xymon 213K Mar 27 14:51 procs.rrd
>>
>> -rw-r--r--    1 xymon xymon 844K Mar 27 15:53 sar.rrd
>>
>> -rw-r--r--    1 xymon xymon 213K Mar 27 15:56 tcp.conn.rrd
>>
>> -rw-r--r--    1 xymon xymon 213K Mar 27 15:26 users.rrd
>>
>>
>>
>> TIA!
>>
>>
>>
>> david
>>
>>
>>
>> ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~
>>
>> David Mills
>> Systems Administrator
>> *Northrop Grumman*
>> (512) 595-1238 (mobile)
>>
>>
>>
>> _______________________________________________
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>> Xymon at xymon.com
>> http://lists.xymon.com/mailman/listinfo/xymon
>>
>>
>
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