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Re: [perfsonar-user] Performance Problem : perfsonar-java-rrd-ma 3.2


Chronological Thread 
  • From: "P.Heiligers" <>
  • To: Szymon Trocha <>
  • Cc: perfSONAR users list <>, DFN-NOC <>
  • Subject: Re: [perfsonar-user] Performance Problem : perfsonar-java-rrd-ma 3.2
  • Date: Wed, 04 Nov 2009 11:51:52 -0100

Hello Szymon, Piotr, Ralph,.....

The the queryintervall yesterday was for a period of a bit more than a day. Reading your replies, i shortend the
query intervall down to a bit more than an hour.
I do than a "load metadata" and afterwards "load metrics". This is what fails from perfsonarUI.
This time there was no exist database error, i can't say if accessing exist per web yesterday would have worked.
The delay went again up to 6minutes. Utilisation data for interface numbers 737-743, they are the last ones,
are displayed. All other interface entries are empty. Btw, we didn't have this problem with 200+ interfaces.
What can also be noticed is that the load on box rises from 1.5 up to 5


This might be useful, looking at the exist database through the WEB Interf. shows:

Pool : running : 10 available : 0 max: 20

Find attached, pool and buffer data from exist db



This is a part from the last logging in perfsonar.log:


regards, Peter




2009-11-04 12:29:13,253 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:13,253 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333751] is [06]min [41]secs [557]milisec
2009-11-04 12:29:13,384 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:13,384 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333751] is [06]min [41]secs [680]milisec
2009-11-04 12:29:13,445 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:13,445 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [42]secs [484]milisec
2009-11-04 12:29:14,246 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:14,246 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [43]secs [527]milisec
2009-11-04 12:29:16,434 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:16,434 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333752] is [06]min [43]secs [824]milisec
2009-11-04 12:29:17,094 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:17,094 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [46]secs [205]milisec
2009-11-04 12:29:17,577 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:17,578 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333751] is [06]min [45]secs [826]milisec
2009-11-04 12:29:18,453 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:18,453 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [47]secs [823]milisec
2009-11-04 12:29:19,567 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:19,567 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333752] is [06]min [47]secs [315]milisec
2009-11-04 12:29:19,958 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:19,958 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:19,958 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333751] is [06]min [48]secs [853]milisec
2009-11-04 12:29:19,958 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333751] is [06]min [48]secs [407]milisec
2009-11-04 12:29:20,192 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response 2009-11-04 12:29:20,193 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [49]secs [369]milisec
2009-11-04 12:29:21,483 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:21,484 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [50]secs [619]milisec
2009-11-04 12:29:21,991 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:21,992 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333751] is [06]min [49]secs [787]milisec
2009-11-04 12:29:22,226 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:22,226 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [51]secs [231]milisec
2009-11-04 12:29:22,390 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:22,390 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [51]secs [551]milisec
2009-11-04 12:29:22,479 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:22,479 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333751] is [06]min [50]secs [862]milisec
2009-11-04 12:29:23,320 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:23,320 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[message1257333750] is [06]min [52]secs [341]milisec
2009-11-04 12:29:39,475 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:39,476 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bee8ac38:431c] is [06]min[03]secs [362]milisec
2009-11-04 12:29:42,401 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:29:42,401 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:-7a73] is [02]min [44]secs [755]milisec
2009-11-04 12:29:44,144 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request
2009-11-04 12:30:00,512 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:30:00,512 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:-3b95] is [00]min [16]secs [368]milisec
2009-11-04 12:30:07,003 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request
2009-11-04 12:30:24,844 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:30:24,845 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:-2f14] is [00]min [17]secs [841]milisec
2009-11-04 12:30:28,405 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request
2009-11-04 12:30:46,651 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:30:46,651 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:-2293] is [00]min [18]secs [246]milisec
2009-11-04 12:30:52,434 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request
2009-11-04 12:31:09,999 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:31:09,999 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:-1612] is [00]min [17]secs [565]milisec
2009-11-04 12:31:11,729 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request
2009-11-04 12:31:28,250 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:31:28,251 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:-991] is [00]min[16]secs [522]milisec
2009-11-04 12:31:30,625 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request
2009-11-04 12:31:47,875 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:31:47,876 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:2f0] is [00]min [17]secs [250]milisec
2009-11-04 12:31:49,783 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request
2009-11-04 12:32:06,697 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service sent a successful response
2009-11-04 12:32:06,697 %GEANT2-JAVA-RRD-MA.INFO% Execution Time of message type=[SetupDataRequest] id=[localhost.1c25217d:124bef24b0d:f71] is [00]min [16]secs [914]milisec
2009-11-04 12:32:08,318 %GEANT2-JAVA-RRD-MA.INFO% RequestHandler: Service received a request




Szymon Trocha wrote:
P.Heiligers pisze:
Dear all,

my name is Peter from DFN-NOC Stuttgart, we have a perfsonar RRDMA 3.2 installation running on a Intel Xeon
machine with debian linux.

Installed is:

ii perfsonar-java-rrd-ma 3.2 perfSONAR Round Robin Database

We are experiencing timeouts and long delays from PerfsonarUI and other tools used by colleagues , accessing the RRDMA.
Our RRDMA contains 740 interfaces right now. The Log data shown are in response to a PerfsonarUI metrics query. As you see, requests are serviced after more than 6 minutes. Almost any application is timed out than.
What is happening here, any idea ? A problem with the exist database ? As one finds this in the log:

2009-11-03 18:52:58,640 %GEANT2-JAVA-RRD-MA.ERROR% MetadataConfigurationStorageManager.executeQuery: Connection to xml database failed: org.perfsonar.base.exceptions.PerfSONARException: [error.common.storage.xmldb.query]: Can't perform XQuery: java.lang.NullPointerException

Are there simply too many interfaces in the system ?

Hi Peter,

The above error seems to indicate failed connection to eXist. Does it work if you try to connect directly via browser?

P.S. I know you didn't get the e-mail from the ML. You could use next time I remember some problems in the past with the other adddress.

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