[HACKERS] Debugging PostgreSQL with GDB

2008-04-01 Thread Manolo SupaMA
Hi. I have problems on how to debug PostgreSQL on Linux using GDB. I made some changes to src/backend/utils/sort/tuplesort.c but it hangs while performing run formation (where my changes are). I configured it using ./configure --prefix="/usr/local/pgsql/8.3/" CFLAGS="-O0 -DTRACE_SORT" --enable-d

Re: [HACKERS] CVS problems

2008-03-18 Thread Manolo
Alvaro Herrera wrote: Manolo SupaMA escribió: Hi. Yesterday I downloaded source code from CVS following developer.postgresql.org/docs/postgres/cvs.html First of all it had problems downloading files, INSTALL text file has not been downloaded, for example. Today that web page isn't

[HACKERS] CVS problems

2008-03-18 Thread Manolo SupaMA
oblems I'm getting during make make check I won't annoy with those problems until I'm sure I downloaded correctly souces from CVS. In case it's just a problem of mine can you please suggest some alternatives? Regards, Manolo.

Re: [HACKERS] Avoid scanning on tape

2008-02-11 Thread Manolo _
Thanks for your reply. I need to read all the run in order to move it to another tape. I suppose the only way to make it is reading the run tuple by tuple and writing them into the destination tape. Regards, Manolo. > To: [EMAIL PROTECTED] > CC:

[HACKERS] Avoid scanning on tape

2008-02-11 Thread Manolo _
es on disk. Is there an efficient way to access to those tuples avoiding scanning a specific run from the last tuple till the first one? Thanks for your attention. Regards, Manolo. _ Express yourself instantly with MSN Messenger! Down

[HACKERS] Implementing Sorting Refinements

2008-01-01 Thread Manolo _
s interested in sorting improvements so it could be a good thing to know if I should consider any conventions or paramethers in order to possibly create that merge plan. DEVELOPMENT CONTEXT I preferred to use the "last stable release" at the moment, that is 8.2. Any co

[HACKERS] tuplesort.c

2007-12-13 Thread Manolo _
ifying) - reduceing the actual heap size in order to build the current run (instead of trying to make each run as long as possible!) If we think about it on large amount of data... this could save some disk latency time. Isn't it worth? Regards, Manolo. --

[HACKERS] Compiling PG on linux

2007-12-06 Thread Manolo _
I'm trying to compile PG on Ubuntu in order to hack tuplesort.c code I just downloaded and unpacked the source code and red README and INSTALL files. I'm going to ./configure --enable-debug --enable-cassert --enable-depend then I would make make install Can I improve something adding some mis