Loss of space after reorg of compressed index

Hi Oracle experts,
In 2008 we compressed indexes of ECC system as per sap note 1109743 and
obtained high compression ratio.
Now we have upgraded to oracle 11.2.0.2 and BRTOOLS 7.20 (10).
While using brtools to do table reorg/compression as per note 1431296
indexes loose compression factor.
                                                              before                     after        compression
GLFUNCA           PSAPGLFUNCA       41,574,400             11,468,800 enabled
GLFUNCA~0       PSAPSTABI             699,712                    5,555,648 enabled
GLFUNCA~1       PSAPSTABI             263,872                     2,112,384 enabled
GLFUNCA~2       PSAPSTABI             446,528                     3,531,072 enabled
GLFUNCA~3       PSAPSTABI          1,051,904                      5,047,872 enabled
I have tried uncompressing and compressing indexes again but cannot compress to
same factor, results are same using brtools or oracle command.
I have tested on coy of system where table GLFUNCA is uncompressed and indexes compressed.
reorg of indexes result in same bad compression factor.
key used for compression is same.
any advise, how to regain index compression factor or anyone having similar experirence.

Hello Daljit,
First time I heard about this kind of behavior. I already faced index with the same size after compress, but it happened because the number of colunm was wrong defined.
My suggestion:
1.Uncompress one index (rebuild without compress);
2.Identify number of column that should be compress;
3.Rebuild with compress nologging;
4.Active logging
Be aware all related below notes..
1289494 - FAQ Oracle compression
1109743 - Use of Index Key Compression for Oracle Databases
Regards,
Jairo Pedroza

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Space reusage after deletion in compressed table

Hi,
Some sources tell, that free space after DELETE in compressed table is not reused.
For example, this http://www.trivadis.com/uploads/tx_cabagdownloadarea/table_compression2_0411EN.pdf
Is it true?
Unfortunatly I cannot reproduce it.

Unfortunatly the question is still open.
In Oracle 9i space, freed after DELETE in compressed block, was not reused in subsequent inserts.
Isn't it?
I saw many evidences from other people. One link I gave above.
But in Oracle 10g I see another figures. After delete rows in compressed blocks, and subsequent insert into that block, block defragmented!
Please, if who know any documentation about change in this behavior, please post links.
p.s.
in 10g:
1. CTAS compress. Block is full.
2. after, deleted every 4 from 5 rows.
avsp=0x3b
tosp=0x99e
0x24:pri[0]     offs=0xeb0
0x26:pri[1]     offs=0xea8 -- deleted
0x28:pri[2]     offs=0xea0 -- deleted
0x2a:pri[3]     offs=0xe98 -- deleted
0x2c:pri[4]     offs=0xe90 -- deleted
0x2e:pri[5]     offs=0xe88 -- live
0x30:pri[6]     offs=0xe80 -- deleted
0x32:pri[7]     offs=0xe78 -- deleted
0x34:pri[8]     offs=0xe70 -- deleted
0x36:pri[9]     offs=0xe68 -- deleted
0x38:pri[10]     offs=0xe60 -- live
0x3a:pri[11]     offs=0xe58 -- deleted
0x3c:pri[12]     offs=0xe50 -- deleted
0x3e:pri[13]     offs=0xe48 -- deleted
0x40:pri[14]     offs=0xe40 -- deleted
0x42:pri[15]     offs=0xe38 -- live
0x44:pri[16]     offs=0xe30 -- deleted
0x46:pri[17]     offs=0xe28 -- deleted
0x48:pri[18]     offs=0xe20 -- deleted
0x4a:pri[19]     offs=0xe18 -- deleted
0x4c:pri[20]     offs=0xe10 -- live
...3. insert into table t select from ... where rownum < 1000;
Inserted rows were inserted in a several blocks. Total number of not empty blocks was not changed. Chains did not occure.
Block above looks as follow:
avsp=0x7d
tosp=0x7d
0x24:pri[0]     offs=0xeb0
0x26:pri[1]     offs=0x776 - new
0x28:pri[2]     offs=0x84b - new
0x2a:pri[3]     offs=0x920 - new
0x2c:pri[4]     offs=0x9f5 - new
0x2e:pri[5]     offs=0xea8 - old
0x30:pri[6]     offs=0xaca - new
0x32:pri[7]     offs=0xb9f - new
0x34:pri[8]     offs=0x34d - new
0x36:pri[9]     offs=0x422 - new
0x38:pri[10]     offs=0xea0 - old
0x3a:pri[11]     offs=0x4f7 - new
0x3c:pri[12]     offs=0x5cc - new
0x3e:pri[13]     offs=0x6a1 - new
0x40:pri[14]     sfll=16
0x42:pri[15]     offs=0xe98 - old
0x44:pri[16]     sfll=17
0x46:pri[17]     sfll=18
0x48:pri[18]     sfll=19
0x4a:pri[19]     sfll=21
0x4c:pri[20]     offs=0xe90 -- old
0x4e:pri[21]     sfll=22
0x50:pri[22]     sfll=23
0x52:pri[23]     sfll=24
0x54:pri[24]     sfll=26As we see, that old rows were defragmented, and repacked, and moved to the bottom of block.
New rows (inserted after compressing of table) fill remaining space.
So, deleted space was reused.

Reclaim disk space after delete an index

Hi ,
I have deleted unused indexes from a history table to reclaim the disk space was allocated for these indexes , yet the size on the disk is the same , any steps I can follow to achieve this would be greatly appreciated..
indexes size is 70 GB
table size is 45 GB , # of rows is above 200 Million
Thanks in advance

in order to reclaim space after your big delete. Don't shrink your data files unless you have no other choice.
The space will automatically go back to SQL server. You don't have to do anything.
The database size will be the same plus the growth of your log file due to logging the transactions. However, internally, SQL server knows that it still has that space to play with.
Other wise you can go for update the statistics and rebuild indexes . but I think it would be the part of your normal weekend nightly maintenance plan
Please click "Propose
As Answer" if a post solves your problem, or "Vote
As Helpful" if a post has been useful to you

SQL index of facttable disappears after full optimize + compress db

Hello all,
I have a customer that is using Outlooksoft 4.2sp3 for more then a year now. Every weekend a full optimize + compress database is running.
Since 4 weeks, the SQL index of the fact table is disappeared after a full optimize+compress. They use a custom index and have about 95.000.000 records in the facttable.
Does anyone have a clue why this index is deleted and perhaps a solution?
Kind Regards,
Alwin Berkhout
Edited by: Alwin Berkhout on Apr 20, 2008 9:50 PM

Joost, Sorin,
I have created server extensions for the database that has these problems. Now for the first time since 5 weeks, after the optimize, the indexes are still there (or automatically recreated).
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The code I used to display carton dimension in Packing List is:
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Hi
Normally the (C) after the variable to use to compress the variable but looks like it is not working because you have multiple variables that you are printing and because of the size of the variables you might be getting the spaces.
I am not sure if this can be done in the script itself but you can do it using subroutines in script.
In the form you need to call a perform like below:
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Okay, all, this may sound weird. All I want to do in CS4 is have an extra 4 pt of space after a particular paragraph style. Specifically, my paragraph style, Body Text, already has "space after" specified at 3 pt. Fine. But, for example, when I have three paragraphs of just this style, I want the three paragraphs separated by an additional 4 pt of space. (There is no consistency in documents when this situation occurs.)
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Kenneth C. Benson wrote:
Maybe I'm really missing your meaning here. When I override a style setting to get more space below, I add space below the *paragraph*. I don't adjust anything about the last line. This is no different in Framemaker. In Framemaker, you can add space above or below a paragraph, either as part of a style (what FM calls a "format") or as a style override. You don't "adjust the last line of a paragraph" in either program.
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If the issue is to make inter-paragraph spacing work non-additively
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HTH
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Peter Gold
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The website is not live yet, everything is stored locally so heres the code: -
HTML: -
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="website_style.css" />
<title>My Website</title>
<script src="SpryAssets/SpryMenuBar.js" type="text/javascript"></script>
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@charset "utf-8";
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Spry Menu CSS: -
@charset "UTF-8";
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Sorry I did this without looking:
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The ! means that iPhoto has lost the link to the actual images
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Option 1
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Repair Database. If that doesn't help, then try again, this time using Rebuild Database.
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DSO activation problem after creating the secondary indexes

Hi,
I am facing the problem with DSO activation after creating the secondary indexes.
Compared with Info Cubes there is no functionality available which allows dropping and recreating a secondary index before/after the data activation.
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hi,
in BI if you are using the dso for reporting then you can simply chk the settings of dso for SID generation.
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I should start by saying that I'm a web designer and therefore extremely used to using CSS for type setting to the point that I now become frustrated when going back to the print world
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Hi supportneeder
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Try this link:
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I'm sorry but I posted this by mistake. The topic is duplicated, but the other one has the subject corrected and has duke dollars assigned.

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Hi, I have some problem with the"space after" function.
As you can see in this image, the firts line, the headline, should send the next text, 10 points bellow.
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