Oracle 8.0.5 on Linux ( The nightmare ) 
Author Message
 Oracle 8.0.5 on Linux ( The nightmare )

Hi,

 I just got out of a huge nightmare (Oracle 8.0.5 on Linux !)
Want to share a couple of insights I got from the exercise.

The Application is a message forwarder which uses a table to
store messages incase they cant be sent immediately.It is written in
pro c .

Here's the bug parade.

1. Oracle 8.0.5 does not support pthread applications . So had to
put a mutex lock so that only one thread at a time can access the db.

2. Glibc :
Oracle 'recommends' a glibcpatch - (the compilation wont happen
otherwise)
The glibc patch stops the fflush(stdin) from working. So you have to
go in a loop to remove the chars from the keyboard.

3. Memory Leaks :
An open and close of a cursor leaks 24K. (like it ?) This is if it is
running
as a separate process.

4. File Descriptor leaks :
If the process is threaded, we get file descriptor leaks. A small prog
two threads, one opening and closing a cursor, the other trying to get a
file handle. Give it 10 minutes, the second thread cant get file handles
at all !

5. Precompiler probs :
Half the syntax as shown in http://www.***.com/ gives assertions.

I'm out of oracle, into Sybase right now and am trying to run the same
benchmark tests. Will tell you what happens with sybase.

Anand.

Sent via Deja.com http://www.***.com/
Before you buy.



Wed, 18 Jun 1902 08:00:00 GMT
 
 [ 1 post ] 

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