Re: datafiles space allocation algorithm
- From: "Sinardy Xing" <oracle.rdbms@xxxxxxxxx>
- To: ax.mount@xxxxxxxxx
- Date: Fri, 6 Oct 2006 17:16:24 +0800
random with if available statement infront
On 10/6/06, amonte <ax.mount@xxxxxxxxx> wrote:
Hi
Suppose we have 4 datafiles in a tablespace, when we load data into this
tablespace how will Oracle assign the space? I thought it would use
round-robin like but it does not.
Before load I had datafiles which looked like this:
TABLESPACE_NAME
FILE_NAME BYTES
------------------------------
------------------------------------------------ ----------
PM_IND_T01
/u02/oradata/vmw1020/PM_IND_T01_SIMP001.dbf 16
PM_IND_T01
/u02/oradata/vmw1020/PM_IND_T01_SIMP002.dbf 16
After load it shows this:
TABLESPACE_NAME
FILE_NAME BYTES
------------------------------
------------------------------------------------------------ ----------
PM_IND_T01
/u02/oradata/vmw1020/PM_IND_T01_SIMP001.dbf 272
PM_IND_T01
/u02/oradata/vmw1020/PM_IND_T01_SIMP002.dbf 1984
How does this work?
Thanks
Alex
--
regards,
Sinardy
- References:
- datafiles space allocation algorithm
- From: amonte
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- » RE: datafiles space allocation algorithm
Hi
Suppose we have 4 datafiles in a tablespace, when we load data into this tablespace how will Oracle assign the space? I thought it would use round-robin like but it does not.
Before load I had datafiles which looked like this:
TABLESPACE_NAME FILE_NAME BYTES ------------------------------ ------------------------------------------------ ---------- PM_IND_T01 /u02/oradata/vmw1020/PM_IND_T01_SIMP001.dbf 16 PM_IND_T01 /u02/oradata/vmw1020/PM_IND_T01_SIMP002.dbf 16
After load it shows this:
TABLESPACE_NAME FILE_NAME BYTES ------------------------------ ------------------------------------------------------------ ---------- PM_IND_T01 /u02/oradata/vmw1020/PM_IND_T01_SIMP001.dbf 272 PM_IND_T01 /u02/oradata/vmw1020/PM_IND_T01_SIMP002.dbf 1984
How does this work?
Thanks
Alex
- datafiles space allocation algorithm
- From: amonte