[Orca-users] HELP: Can't get Orca to correctly read in non-orcallator related data

[Sean O'Neill]

Long email ... sorry.

I've done this before for Weblogic SNMP data and I can't figure out why 
this stuff isn't working this time.

I'm pulling in java garbage collection info from some Weblogic logs.  I've 
got the data laid out as follows:

timestamp   MNGCCount  MNTotMinNGC   MNProcTimeLeft   MN%Lost
1039537260        1  5.405599  54.59440  9.009331
1039543380        1  4.680467  55.31953  7.800778
1039574040        1  6.515461  53.48453  10.85910
<snip>
1042209840        1  9.844697  50.15530  16.40782
1042209900        1  9.074269  50.92573  15.12378
1042209960        2  22.36275  37.63724  37.27126
1042210020        1  9.309143  50.69085  15.51523
1042210080        1  9.341319  50.65868  15.56886
1042210140        2  22.22149  37.77850  37.03583

The timestamp column isn't individual probes.  Each row represents a 
accumulation of data for each specific minute.  But there are gaps in the 
data.  There are periods where FGCs don't occur for long periods of 
time.  At the end of my data, FGCs occur every minute.

My gcallator.cfg file looks basically just like my orcallator.cfg except 
I've modified it specifically for the above data columns.  Both .cfg files 
are tuned for 60 second data intervals.  Sample of one section of 
gcallator.cfg:

plot {
title                   %g Full GC Count
source                  gcallator
data                    MNGCCount
legend                  Full GC Count / minute
y_legend                Number of Full GCs
data_min                0
}

Then I run orca as follows:

# /usr/local/orca/bin/orca -once -verbose /usr/local/orca/lib/gcallator.cfg
Orca version 0.264 using RRDs version 1.000381 at Sat Jan 11 10:54:49 2003.
/usr/local/orca/bin/orca: warning: cannot open state file 
`/home/soneill/gc/orca/rrd/gcallator/orca.state' for reading: No such file 
or directory
Creating orca.gif.
Creating rrdtool.gif.
Finding files and setting up data structures at Sat Jan 11 10:54:49 2003.
/usr/local/orca/bin/orca: making directory 
`/home/soneill/gc/orca/rrd/gcallator/gcallator_certification-app01'.
/usr/bin/ps: not found  <<< I'm running on this FreeBSD. Ignore this. >>>
Current running time is 0:00 minutes.
Loading new data from group gcallator for certification-app01.
   Read  3363 data points from 
`/home/soneill/gc/orca/gcallator/certification-app01/gcmndata-000'.
Flushing new data and updating PNGs from certification-app01.
   Creating RRD 
`/home/soneill/gc/orca/rrd/gcallator/gcallator_certification-app01/gauge_MNGCCount.rrd'.
   Creating RRD 
`/home/soneill/gc/orca/rrd/gcallator/gcallator_certification-app01/gauge_MNTotMinNGC.rrd'.
   Creating RRD 
`/home/soneill/gc/orca/rrd/gcallator/gcallator_certification-app01/gauge_MN_pct_Lost.rrd'.
Saving state into `/home/soneill/gc/orca/rrd/gcallator/orca.state'.
Updating PNGs.
Creating HTML files in `/misc/solaris-local/apache2/docroot/gc/'.
/usr/bin/ps: not found
Current running time is 0:08 minutes.
Orca has completed.

Its says it read over 3000 rows of data - kewl - but the graphs are 
empty.  This is a rrdtool info of one of the rrd files:

$ rrdinfo info gauge_MNGCCount.rrd
ksh93: rrdinfo: not found
$ rrdtool info gauge_MNGCCount.rrd
filename = "gauge_MNGCCount.rrd"
rrd_version = "0001"
step = 60
last_update = 1072920180
ds[Orca19990222].type = "GAUGE"
ds[Orca19990222].minimal_heartbeat = 120
ds[Orca19990222].min = 0.0000000000e+00
ds[Orca19990222].max = NaN
ds[Orca19990222].last_ds = "UNKN"
ds[Orca19990222].value = 0.0000000000e+00
ds[Orca19990222].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 12000
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
rra[1].cf = "AVERAGE"
rra[1].rows = 1488
rra[1].pdp_per_row = 30
rra[1].xff = 5.0000000000e-01
rra[1].cdp_prep[0].value = NaN
rra[1].cdp_prep[0].unknown_datapoints = 23
rra[2].cf = "AVERAGE"
rra[2].rows = 1200
rra[2].pdp_per_row = 120
rra[2].xff = 5.0000000000e-01
rra[2].cdp_prep[0].value = NaN
rra[2].cdp_prep[0].unknown_datapoints = 83
rra[3].cf = "AVERAGE"
rra[3].rows = 1098
rra[3].pdp_per_row = 1440
rra[3].xff = 5.0000000000e-01
rra[3].cdp_prep[0].value = NaN
rra[3].cdp_prep[0].unknown_datapoints = 83

Why would RRD flag my data as "unknown" - I haven't beaten up the RRD site 
yet - I know RTFM - hoping someone here has a quick answer.

Without showing everything I have (making a longer email), does anyone have 
any ideas why this is happening ?  Could the "data cap" situation I 
described above be contributing - can't RRD handle gaps in data correctly - 
I think it can ?


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Sean O'Neill