Bugs item #2528563, was opened at 2009-01-22 14:32
Message generated for change (Comment added) made by stmane
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Category: PF general
Group: Pathfinder "stable"
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Andreas Meinl (andreasmeinl)
Assigned to: Nobody/Anonymous (nobody)
Summary: Server crashes
Initial Comment:
During the import of some xml files, the server crashed with the error message
"MonetDB>!FATAL: GDKmallocmax: failed for 252933552 bytes".
After that the server crashes repeatedly for example executing the very simple
xquery "count(collection("test"))".
The output of mclient, where I execute the xquery, is everytime more or less
the same:
xquery>count(collection("test"))
more><>
#GDKmalloc(210756272) fail => BBPtrim(enter) usage[mem=639556716,vm=1117388800]
#GDKmalloc(210756272) fail => BBPtrim(ready) usage[mem=413709780,vm=1096351744]
#GDKmallocmax: recovery ok. Continuing..
15831
MAPI = mone...@localhost:50000
QUERY = count(collection("test"))
ERROR = !ERROR: BBPdecref: 1000000163_rid_level does not have pointer fixes.
xquery>count(collection("test"))
more><>
15831
MAPI = mone...@localhost:50000
QUERY = count(collection("test"))
ERROR = !ERROR: BBPdecref: 1000000163_rid_level does not have pointer fixes.
!ERROR: BBPdecref: 1000000163_attr_qn does not have pointer fixes.
!ERROR: BBPdecref: 1000000163_attr_prop does not have pointer fixes.
xquery>count(collection("test"))
more><>
MAPI = mone...@localhost:50000
ACTION= read_line
QUERY = count(collection("test"))
ERROR = Connection terminated
The environment I use is Windows XP Professional x86 and MonetDB/XQuery server
and client, 32 bit, windows installer, version 20081216.
----------------------------------------------------------------------
>Comment By: Stefan Manegold (stmane)
Date: 2009-01-22 15:00
Message:
Hm, this look as if your Mserver fails to allocate an extra ~200 MB,
probably running out of available address spcae on your 32-bit system (or
at least not finding a consecutive free 200 MB address range due to
excessive memory/address space fragmentation on Windows).
The first question is, why these 200 MB are required, or differently:
How many documents did you (sucessfully) load into how many collections,
and how large are the individual documents and the collections you're
using?
How much physical and virtual memory does your machine have?
Stefan
----------------------------------------------------------------------
Comment By: Ying Zhang (yingying)
Date: 2009-01-22 14:49
Message:
Hello Andreas,
Would you please provide us some more information:
- How large is your memory? How many memory is still available when you
start monet?
- How many files are you trying to add? How large is each document, or
how large are they in total?
- Is it possible to provide us your complete set of documents, in a
compressed form, as attachment or via a URL?
- How do you exactly add the documents? which command do you use?
- How often does the crash happen (always or sometimes)?
Regards,
Jennie
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