October 2008 - users-list

[MonetDB-users] Books CDs
by CHARTS LICENSING 11 Aug '24

11 Aug '24

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[MonetDB-users] XQuery API and XLink/XUpdate support
by Alexandra Mart�nez 27 Jun '24

27 Jun '24

Hello all, I was wondering if there is any documentation about the API for XQuery (i.e., how to write xqueries from a Java program). Also, I am interested in using some features of XLink and XUpdate on top of my XML database. Is support for any of these in progress? Thanks in advance, Alexandra ______________________________________________________ Click here to donate to the Hurricane Katrina relief effort. http://store.yahoo.com/redcross-donate3/

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[MonetDB-users] Proofreading your professional documents
by Richard Hounslow 24 Feb '24

24 Feb '24

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[MonetDB-users] MonetDB server thread architecture
by xxiao 28 Oct '08

28 Oct '08

Hi, does anyone know whether there is any doc on how the server is implemented in Pthreads, such as how many threads are forked and what job each different thread is responsible for? Thanks a lot. -- View this message in context: http://www.nabble.com/MonetDB-server-thread-architecture-tp20134440p2013444… Sent from the monetdb-users mailing list archive at Nabble.com.

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[MonetDB-users] How to print a BAT with MIL?
by Chaojing Yang 26 Oct '08

26 Oct '08

Dear all, I'm using MonetDB/XQuery. After i have added a few XML-files into MonetDB, i want to check out how their BATs looks like. /MonetDB>ls(); #---------------------------------------------------------------------------------------------------------------------------------# # name htype ttype count heat dirty status kind refcnt lrefcnt # # str str str lng int str str str int int # #---------------------------------------------------------------------------------------------------------------------------------# [ "1000000001_attr_own", "void", "oid", 5, 0, "clean", "disk", "pers", 0, 2 ] [ "1000000001_attr_prop", "void", "oid", 5, 0, "clean", "disk", "pers", 0, 2 ] [ "1000000001_attr_qn", "void", "oid", 5, 0, "clean", "disk", "pers", 0, 2 ] [ "1000000001_frag_root", "oid", "oid", 1, 0, "clean", "disk", "pers", 0, 1 ] [ "1000000001_map_pid", "void", "oid", 1, 0, "clean", "disk", "pers", 0, 2 ] [ "1000000001_nid_rid", "void", "oid", 25, 0, "clean", "disk", "pers", 0, 2 ] [ "1000000001_prop_com", "void", "str", 0, 0, "clean", "disk", "pers", 0, 2 ] [ "1000000001_prop_ins", "void", "str", 0, 0, "clean", "disk", "pers", 0, 2 ]/ *I get a list of BAT-data summary. But i cann't figure out how to use print functions from buildin module as listed:* / / 231 .COMMAND print(ANY value) = CMDprint_val; 232 "Print a MIL value between square brackets." 233 234 .COMMAND print(BAT[ANY::1,ANY], ...BAT[ANY::1,ANY]...) = CMDprint_table; 235 "BATs are printed with '#' for legend lines, and the BUNs on seperate 236 lines between brackets, containing each to comma separated values 237 (head and tail). 238 If multiple BATs are passed for printing, print() performs an implicit 239 natural join, producing a multiattribute table." 240 241 .COMMAND print(INT order, BAT[ANY::1,ANY], ...BAT[ANY::1,ANY]...) 242 = CMDprint_otable; 243 "The same as normal table print, but enforces to use the order of 244 BAT number [1..argc] to do the printing." 245 246 .COMMAND table(BAT[any::1,any], ...BAT[any::1,any]...) = print_table_default; 247 "Print an n-ary table. Like print(n-ary) but does not print oid column" 248 249 .COMMAND table(INT order, BAT[any::1,any], ...BAT[any::1,any]...) = print_table; 250 "Print an n-ary table. Use the ordering of param [1..argc]" 251 252 .COMMAND multitable(BAT[any,bat]) = CMDprint_multitable; 253 "Print an n-ary table contained within a BAT of BATs" 254 255 .COMMAND printf(str format, ...) = print_format; 256 "Print a formatted string on the standard client output." 257 258 .COMMAND sprintf(str format, ...) : str = print_str; 259 "Print a formatted string on the standard client output." 260 261 262 .END builtin; One single example may help me out of this trap. Best regards, Chaojing ------------------------------------------------------------------------------------------------------------------------------------------ Email: chaojing.yang(a)gmail.com Blog: http://goethe-ist-taoist.blogspot.com/ §1 Ich widerspreche der Nutzung oder Übermittlung meiner Daten für Werbezwecke oder sowie andere unbefugte Verwendungszwecke. (§ 28 Abs. 4 BDSG=Bundesdatenschutzgesetz). §2 Durch die Datenübertragung bzw. Kommunikation per E-Mail liegt ein Verstoß gegen das BDSG vor, da ihre Daten insoweit nicht ausreichend geschützt sind. Ich bitte Sie daher, mir schriftlich zu bestätigen, dass Sie mit dem Verstoß gegen das BDSG einverstanden sind und keine Schadensersatzanspräche bzw. Unterlassungsanspräche mir gegenüber geltend machen. §3 Der Inhalt dieser Nachricht ist vertraulich und nur für den oben angegebenen Empfänger bestimmt.

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[MonetDB-users] Using MonetDB on Windows X64
by Daniel Murray 24 Oct '08

24 Oct '08

Hi all, I am trying to use MonetDB on a 32bit Windows XP SP2, but am having a lot of trouble given the size of my tables. Is there any experience in regards to using MOnetDB on a "virtual" server set up on Windows 2003 Server and configuring it with "X64" inlieu of a true "64bit". Thanks you in advance for your support. Daniel Murray G.

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[MonetDB-users] Use cases for monetdb
by steve 24 Oct '08

24 Oct '08

What are the use cases for monetdb?

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[MonetDB-users] MonetDB5 Server crashes and shuts-down
by Daniel Murray 21 Oct '08

21 Oct '08

Hi All, I am working with Windows XP SP2 (32-bit), with 2Gb RAM; am using Java 1.5. I downloaded MonetDB5-SQL-Installer-i386-20080624.msi; Squirell has been update to use monetdb-1.8-jdbc.jar. I am trying to upload data from MySQL to MonetDB5, using the MonetDB Bulk Loader that comes with Pentaho Kettle 3.1. I am using a MySQL table with a little over 9 millon rows & 7 columns (2 BIGINT, 2 INT and 3 FLOAT, consequently I understand no encoding issues are involved). After a number of failed transformation attempts to load my data to MonetDB, on all attempts the Monetdb Server is suddenly shutting down after some 20,000 records are processed. When trying to review the data -that I understand to be in MonetDB- using Squirell, the following server console screen out is shown (I had to modify the .config file to "gdk_debug=1") and as likewise, the MonetDB Server shuts down: ***console output start*** C:\MONETDB\CWI\MonetDB5>MSQLServer.bat # MonetDB server v5.6.0, based on kernel v1.24.0 # Serving database 'demo' # Compiled for i686-pc-win32/32bit with 32bit OIDs dynamically linked # Copyright (c) 1993-2008 CWI, all rights reserved # Visit http://monetdb.cwi.nl/ for further information #warning: please don't forget to set your vault key! #(see C:\MONETDB\CWI\MonetDB5\etc\monetdb5.conf) # Listening for connection requests on mapi:monetdb://127.0.0.1:50000/ # MonetDB/SQL module v2.24.0 loaded >!01 ERROR: MT_mmap: MapViewOfFileEx(150c, 1, 0, 0, 196885248, 0) failed !01 OS: Espacio de almacenamiento insuficiente para procesar este comando. #01 #GDKmmap(196885248) fail => BBPtrim(enter) usage[mem=4583848,vm=1158283264] #01 #mallinfo.arena = 5927701 #01 #mallinfo.ordblks = 61996 #01 #mallinfo.smblks = 383 #01 #mallinfo.hblkhd = 0 #01 #mallinfo.hblks = 0 #01 #mallinfo.usmblks = 1768421 #01 #mallinfo.fsmblks = 345928 #01 #mallinfo.uordblks = 3811784 #01 #mallinfo.fordblks = 1568 #01 #BBPTRIM_ENTER: memsize=4583848,vmsize=1158283264 #01 #BBPTRIM: memtarget=0 vmtarget=1073741824 #01 #TRIMSCAN: mem=0 vm=1, start=1, limit=1 #01 #TRIMSCAN: 92596* 0=tmp_2143 (#20500000) #01 #TRIMSCAN: 92598* 1=tmp_2144 (#20510000) #01 #TRIMSCAN: 92599* 2=tmp_2145 (#20510000) #01 #TRIMSCAN: 92600* 3=tmp_2146 (#20510000) #01 #TRIMSCAN: 92601* 4=tmp_2147 (#20510000) #01 #TRIMSCAN: 92602* 5=tmp_2151 (#20500000) #01 #TRIMSCAN: end at 1 (size=1197) #01 #TRIMSELECT: dirty = 0 #01 #TRIMSELECT: candidate=tmp_2143 BAT*=454e700 #01 # (cnt=20500000, mode=4096, refs=0, wait=0, parent=0,0, lastused= 92598,92596,-2147391052) #01 #TRIMSELECT: delete tmp_2143 from trimlist (has been touched since last scan ) #01 #TRIMSELECT: candidate=tmp_2144 BAT*=454e7f8 #01 # (cnt=20510000, mode=4096, refs=0, wait=0, parent=0,0, lastused= 92599,92598,-2147391050) #01 #TRIMSELECT: delete tmp_2144 from trimlist (has been touched since last scan ) #01 #TRIMSELECT: candidate=tmp_2145 BAT*=454e8f0 #01 # (cnt=20510000, mode=4096, refs=0, wait=0, parent=0,0, lastused= 92600,92599,-2147391049) #01 #TRIMSELECT: delete tmp_2145 from trimlist (has been touched since last scan ) #01 #TRIMSELECT: candidate=tmp_2146 BAT*=454e9e8 #01 # (cnt=20510000, mode=4096, refs=0, wait=0, parent=0,0, lastused= 92601,92600,-2147391048) #01 #TRIMSELECT: delete tmp_2146 from trimlist (has been touched since last scan ) #01 #TRIMSELECT: candidate=tmp_2147 BAT*=454eae0 #01 # (cnt=20510000, mode=4096, refs=0, wait=0, parent=0,0, lastused= 92602,92601,-2147391047) #01 #TRIMSELECT: delete tmp_2147 from trimlist (has been touched since last scan ) #01 #TRIMSELECT: candidate=tmp_2151 BAT*=454ecd0 #01 # (cnt=20500000, mode=4096, refs=0, wait=0, parent=0,0, lastused= 92596,92602,-2147391046) #01 #TRIMSELECT: keep tmp_2151 [82035748,82035520] bytes [82035748,82035520] dir ty target(mem=0 vm=1073741824) #01 #TRIMSELECT: end #01 #TRIMSELECT: dirty = 1 #01 #TRIMSELECT: candidate=tmp_2151 BAT*=454ecd0 #01 # (cnt=20500000, mode=4096, refs=0, wait=0, parent=0,0, lastused= 92596,92602,-2147391046) #01 #TRIMSELECT: unload tmp_2151 [82035748,82035520] bytes [82035748,82035520] d irty #01 #TRIMSELECT: end #01 #BBPTRIM: lastused batid name #01 #BBPTRIM: -2147391046 1129 tmp_2151 #01 #BBPTRIM_EXIT: memsize=114688,vmsize=1076232192 #01 #GDKmmap(196885248) fail => BBPtrim(ready) usage[mem=4583792,vm=1076232192] #01 #mallinfo.arena = 5927717 #01 #mallinfo.ordblks = 61993 #01 #mallinfo.smblks = 384 #01 #mallinfo.hblkhd = 0 #01 #mallinfo.hblks = 0 #01 #mallinfo.usmblks = 1768421 #01 #mallinfo.fsmblks = 346232 #01 #mallinfo.uordblks = 3811728 #01 #mallinfo.fordblks = 1336 !01 ERROR: MT_mmap: MapViewOfFileEx(1510, 1, 0, 0, 196885248, 0) failed !01 OS: Espacio de almacenamiento insuficiente para procesar este comando. !01 ERROR: GDKload: cannot mmap(): name=21\2150, ext=tail !01 OS: Espacio de almacenamiento insuficiente para procesar este comando. !01 ERROR: GDKload failed: name=21\2150, ext=tail ***console output ends*** Furthermore, I have tried to find the folders holding \var\MonetDB5\dbfarm with no luck. Ie, they are not in the MonetDB folders that are installed when using the Windows Installer referenced above. I would very much appreciate any asisstance you can provide, as my interest is to actively use MonetDb in my DW / BI projects. Kind Regards, Daniel Murray

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[MonetDB-users] (no subject)
by Richard Wesley 20 Oct '08

20 Oct '08

Hi All - I am trying to evaluate MonetDB on Windows by loading up some large data sets. I'm not having much luck and I'm hoping someone can help me out. The first set of problems revolve around the ODBC driver. It seems to not be able to report errors or even return the results of queries reliably. Most errors come back as a generic error message although we occasionally run into strange messages involving UTF-16 conversions when no string columns are involved (e.g. a count distinct of a numeric column). We are using the July 2008 version from the web site. Are these known issues and is there a more recent build we could try? This is not in production yet, we are simply trying to evaluate the system. I have managed to work around the ODBC problems very slowly and have got to a point where I can load small data sets. But when I then try to do a large insert using the COPY FROM syntax, my client got a "connection terminated" error. When I take the COPY FROM statement and paste it into the client, the MonetDB server crashes. The only log files I can find have a few (mostly unprintable) characters in them. Restarting the server and trying again produces the same problem. The insert query is COPY 6568253 RECORDS INTO "Airlines"."_2005_On_Time_Performance" FROM 'C:\\DOCUME~1\\hawkfish\\LOCALS~1\\Temp\\1\\7A.tmp\\table.tbl' USING DELIMITERS '\t', '\n', '\''; Is there some limit on the COPY INTO syntax? Is there some log file somewhere that could point me in the right direction? TIA, ________________________________________________________ Richard Wesley Senior Software Developer Tableau Software Visit: http://www.trytableau.com/now.html

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[MonetDB-users] MonetDB with Pentaho and Kettle
by Tom Barber 17 Oct '08

17 Oct '08

Hi Guys, As of 3.1 Kettle now has a connector built in for Monet so I thought I'd give it another go after not getting too far earlier in the year. Anyway I have it up and running on a Quad Core Xeon box running Centos x86_64 and it seems pretty happy, but when I try to copy sizable amounts of data into it, kettle stops with an error: 2008/10/17 12:29:22 - Table output.0 - Prepared statement : INSERT INTO voc.d_budgets3 (entity_anl_code, trad_code, Cost, Sales, CostMTD, SalesMTD) VALUES ( ?, ?, ?, ?, ?, ?) 2008/10/17 12:29:27 - Table output.0 - ERROR (version 3.1.0, build 826 from 2008/09/30 11:32:36) : Because of an error, this step can't continue: 2008/10/17 12:29:27 - Table output.0 - ERROR (version 3.1.0, build 826 from 2008/09/30 11:32:36) : org.pentaho.di.core.exception.KettleException: 2008/10/17 12:29:27 - Table output.0 - ERROR (version 3.1.0, build 826 from 2008/09/30 11:32:36) : Error inserting row into table [d_budgets3] with values: [19], [A09], [0], [0], [0], [0] 2008/10/17 12:29:27 - Table output.0 - ERROR (version 3.1.0, build 826 from 2008/09/30 11:32:36) : 2008/10/17 12:29:27 - Table output.0 - ERROR (version 3.1.0, build 826 from 2008/09/30 11:32:36) : Error inserting/updating row 2008/10/17 12:29:27 - Table output.0 - ERROR (version 3.1.0, build 826 from 2008/09/30 11:32:36) : current transaction is aborted (please ROLLBACK) But to my untrained eye the data looks fine(coming from a mysql database) and I don't know where to start debugging this or what settings I could change. The monet table is 2 Strings, 2 Int, 2 Big Num and it always inputs a load of data before stopping. What can I look at to resolve the issues? otherwise, rocking database and keep up the good work. Thanks Tom CONFIDENTIALITY NOTICE This e-mail is confidential and may also be privileged. Please notify us immediately if you are not the intended recipient. You should not copy it, forward it or use it for any purpose or disclose the contents to any person. If you have received this e-mail in error, please notify us as soon as possible and destroy your copy. Unless otherwise expressly stated, this e-mail is not intended to constitute a business letter, order form or other offer or invitation to you, nor does this e-mail form the basis of any contract. Contracts may not be concluded by e-mail and any contract or agreement attached is subject to contract and shall not and is not intended to create a legally binding relationship. This e-mail is sent by or on behalf of Encon Limited or the relevant subsidiary undertaking of Encon Limited with which you are dealing. Encon Limited is registered in England and Wales with company number 3411533 registered office at The Wolseley Center, Harrison Way, Leamington Spa, CV31 3HH, United Kingdom. VAT No 362 0233 93. Encon Ireland is registered in Ireland with company number 262605 registered office at Wolseley Ireland Moydrum Road, Athlone, Co Westmeath. Save a Tree ! - Please think before you print.

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