Map Layer makes map slow

I have a java mapviewer application. Within the map, I have 2 layers reading off the same point dataset Addresses, both of which are added to the map as dynamic layers, although each is rendered differently and becomes visible at different scales. There are ~50,000 points in the layer, so it's not a large dataset, although spatially, it spans the US. The problem is that the 2nd theme where we use the Addresses dataset, Addresses by Type, whose theme is created using a more complex query and has more complex symbols, really slows down the map -- making the map generation go from ~5 seconds to ~2 minutes - in our production environment. The time it takes to generate this one layer has increased over time, at first the maps were generated in an acceptable amount of time, slowly becoming slower to generate until this point. We can pinpoint this layer as the problem, because when we remove the layer from the map in the application, the maps go back to being rendered in ~5 seconds. The Addresses dataset is continually being updated - existing data is modified, both tabular and spatial, and new locations are added. In our test/dev environment, everything works great, which makes this problem even harder to solve.
The addresses spatial dataset is stored in a separate database on a separate server than the rest of the data, MapViewer, and the java application. However, when we re-boot the server with the application, Mapviewer, and all data but the addresses, the map goes back to generating in an acceptable amount of time, including the Addresses by Type layer. The server with the Address data on it has not been rebooted/restarted. This tells me that the issue isn't with the data, but something with MapViewer. Is there a cache or temp directory that needs to periodically be cleared/deleted with MapViewer? Or any other ideas on how to solve this issue?
We are using MapViewer 10.1.3 and running on a windows server.
Thanks for your help.

Its better to post Mapviewer questions on the [Mapviewer forum |http://forums.oracle.com/forums/forum.jspa?forumID=727].
I'm not too sure about Mapviewer caches - I haven't really used it much. Have you tried creating a materialised view for the Addresses by type? Would seem to make sense since you say it uses a more complex query. Having said that, I think I'd start by making sure that the complex query is well tuned. Make sure you've got the right indexes on it. Maybe post the query here and we'll see if we spot anything obvious.

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Hello,
Has anybody any idea why following statement is slow when selecting the
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SELECT S.OWNER,
S.SYNONYM_NAME,
UCOL.COLUMN_NAME,
UCOL.DATA_TYPE,
UCOL.DATA_TYPE,
UCOL.DATA_LENGTH,
COLUMN_ID
FROM ALL_SYNONYMS S,
ALL_TAB_COLUMNS UCOL
WHERE S.TABLE_OWNER = UCOL.OWNER
AND S.TABLE_NAME = UCOL.TABLE_NAME
and S.owner = 'REPORTING_TEST'
and S.SYNONYM_NAME = 'OV_COMMERCIAL_ENTITY_JN'
Replace the owner and table name with one of your own.
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Yes it's true that Oracle caches data but I did run both statements several times within the same session. Run statement 1, run statement 2, add 2nd column and run again, take column away and run again, etc. Always the results were the same. The query with duplicate columns ran in seconds, the one without in milliseconds.
If it tells you anything, below both explain plans. The main difference that I noticed is the full table scan on USER$ for the first query. The second one (although a more elaborate execution plan) seems to use indexes more.
Don't spend too much time on this. I've found a workaround where I create temporary tables for ALL_SYNONYMS and ALL_TAB_COLUMNS and re-direct the public synonyms to point at those. After I've done what I wanted to do with BusinessObjects, I restore the original public synonyms. Next thing I'll try is rebuilding my database from scratch and see if the problem is still there.
Apologies if the listings come out in variable font (how do you paste fixed font?).
=== SQL1 ====================================================
EXPLAIN PLAN FOR
SELECT UCOL.COLUMN_NAME,
UCOL.DATA_TYPE,
UCOL.DATA_TYPE
FROM ALL_SYNONYMS S,
ALL_TAB_COLUMNS UCOL
WHERE S.TABLE_OWNER = UCOL.OWNER
AND S.TABLE_NAME = UCOL.TABLE_NAME
AND S.owner = 'REPORTING_TEST'
AND S.SYNONYM_NAME = 'OV_COMMERCIAL_ENTITY_JN'
Explained.
Elapsed: 00:00:00.04
SQL> @E:\Oracle\Product\10.2.0\db_1\RDBMS\ADMIN\utlxpls.sql
Plan hash value: 1692851197
| Id | Operation | Name |
| 0 | SELECT STATEMENT | |
| 1 | NESTED LOOPS | |
| 2 | NESTED LOOPS | |
| 3 | NESTED LOOPS | |
| 4 | TABLE ACCESS BY INDEX ROWID | USER$ |
|* 5 | INDEX UNIQUE SCAN | I_USER1 |
| 6 | VIEW | ALL_TAB_COLUMNS |
|* 7 | FILTER | |
| 8 | NESTED LOOPS OUTER | |
| 9 | NESTED LOOPS OUTER | |
| 10 | NESTED LOOPS OUTER | |
| 11 | NESTED LOOPS OUTER | |
| 12 | NESTED LOOPS | |
| 13 | NESTED LOOPS | |
| 14 | TABLE ACCESS FULL | USER$ |
| 15 | TABLE ACCESS BY INDEX ROWID| OBJ$ |
|* 16 | INDEX RANGE SCAN | I_OBJ2 |
|* 17 | TABLE ACCESS CLUSTER | COL$ |
|* 18 | INDEX UNIQUE SCAN | I_OBJ# |
|* 19 | TABLE ACCESS CLUSTER | COLTYPE$ |
|* 20 | INDEX RANGE SCAN | I_HH_OBJ#_INTCOL# |
|* 21 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 22 | INDEX RANGE SCAN | I_OBJ3 |
| 23 | TABLE ACCESS CLUSTER | USER$ |
|* 24 | INDEX UNIQUE SCAN | I_USER# |
|* 25 | TABLE ACCESS CLUSTER | TAB$ |
|* 26 | INDEX UNIQUE SCAN | I_OBJ# |
| 27 | NESTED LOOPS | |
| 28 | FIXED TABLE FULL | X$KZSRO |
|* 29 | INDEX RANGE SCAN | I_OBJAUTH2 |
|* 30 | FIXED TABLE FULL | X$KZSPR |
|* 31 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 32 | INDEX RANGE SCAN | I_OBJ2 |
|* 33 | TABLE ACCESS BY INDEX ROWID | SYN$ |
|* 34 | INDEX UNIQUE SCAN | I_SYN1 |
Predicate Information (identified by operation id):
5 - access("U"."NAME"='REPORTING_TEST')
7 - filter(("O"."TYPE#"=3 OR "O"."TYPE#"=4 OR "O"."TYPE#"=2 AND NOT
EXISTS (SELECT 0 FROM "SYS"."TAB$" "T" WHERE "T"."OBJ#"=:B1 AND
(BITAND("T"."PROPERTY",512)=512 OR BITAND("T"."PROPERTY",8192)=8192)))
AND ("O"."OWNER#"=USERENV('SCHEMAID') OR EXISTS (SELECT 0 FROM
"SYS"."OBJAUTH$" "OBJAUTH$",SYS."X$KZSRO" "X$KZSRO" WHERE "OBJ#"=:B2
AND "GRANTEE#"="KZSROROL") OR EXISTS (SELECT 0 FROM SYS."X$KZSPR"
"X$KZSPR" WHERE "INST_ID"=USERENV('INSTANCE') AND ((-"KZSPRPRV")=(-45)
OR (-"KZSPRPRV")=(-47) OR (-"KZSPRPRV")=(-48) OR (-"KZSPRPRV")=(-49) OR
(-"KZSPRPRV")=(-50)))))
16 - access("O"."OWNER#"="U"."USER#")
17 - filter(DECODE("C"."PROPERTY",0,'NO',DECODE(BITAND("C"."PROPERTY",
32),32,'YES','NO'))='NO')
18 - access("O"."OBJ#"="C"."OBJ#")
19 - filter("C"."INTCOL#"="AC"."INTCOL#"(+))
20 - access("C"."OBJ#"="H"."OBJ#"(+) AND
"C"."INTCOL#"="H"."INTCOL#"(+))
21 - filter("OT"."TYPE#"(+)=13)
22 - access("AC"."TOID"="OT"."OID$"(+))
24 - access("OT"."OWNER#"="UT"."USER#"(+))
25 - filter(BITAND("T"."PROPERTY",512)=512 OR
BITAND("T"."PROPERTY",8192)=8192)
26 - access("T"."OBJ#"=:B1)
29 - access("GRANTEE#"="KZSROROL" AND "OBJ#"=:B1)
30 - filter("INST_ID"=USERENV('INSTANCE') AND ((-"KZSPRPRV")=(-45) OR
(-"KZSPRPRV")=(-47) OR (-"KZSPRPRV")=(-48) OR (-"KZSPRPRV")=(-49) OR
(-"KZSPRPRV")=(-50)))
31 - filter("O"."TYPE#"=5)
32 - access("O"."OWNER#"="U"."USER#" AND
"O"."NAME"='OV_COMMERCIAL_ENTITY_JN')
33 - filter("S"."NAME"="UCOL"."TABLE_NAME" AND
"S"."OWNER"="UCOL"."OWNER")
34 - access("O"."OBJ#"="S"."OBJ#")
Note
- rule based optimizer used (consider using cbo)
=== SQL2 ====================================================
EXPLAIN PLAN FOR
SELECT UCOL.COLUMN_NAME,
UCOL.DATA_TYPE
FROM ALL_SYNONYMS S,
ALL_TAB_COLUMNS UCOL
WHERE S.TABLE_OWNER = UCOL.OWNER
AND S.TABLE_NAME = UCOL.TABLE_NAME
AND S.owner = 'REPORTING_TEST'
AND S.SYNONYM_NAME = 'OV_COMMERCIAL_ENTITY_JN'
Explained.
SQL>
SQL> @E:\Oracle\Product\10.2.0\db_1\RDBMS\ADMIN\utlxpls.sql
Plan hash value: 3285788911
| Id | Operation | Name |
| 0 | SELECT STATEMENT | |
| 1 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 2 | INDEX UNIQUE SCAN | I_OBJ1 |
| 3 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 4 | INDEX UNIQUE SCAN | I_OBJ1 |
| 5 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 6 | INDEX UNIQUE SCAN | I_OBJ1 |
| 7 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 8 | INDEX UNIQUE SCAN | I_OBJ1 |
| 9 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 10 | INDEX UNIQUE SCAN | I_OBJ1 |
|* 11 | FILTER | |
| 12 | NESTED LOOPS OUTER | |
| 13 | NESTED LOOPS OUTER | |
| 14 | NESTED LOOPS OUTER | |
| 15 | NESTED LOOPS OUTER | |
| 16 | NESTED LOOPS | |
| 17 | NESTED LOOPS | |
| 18 | NESTED LOOPS | |
| 19 | NESTED LOOPS | |
| 20 | NESTED LOOPS | |
| 21 | TABLE ACCESS BY INDEX ROWID| USER$ |
|* 22 | INDEX UNIQUE SCAN | I_USER1 |
|* 23 | TABLE ACCESS BY INDEX ROWID| OBJ$ |
|* 24 | INDEX RANGE SCAN | I_OBJ2 |
| 25 | TABLE ACCESS BY INDEX ROWID | SYN$ |
|* 26 | INDEX UNIQUE SCAN | I_SYN1 |
| 27 | TABLE ACCESS BY INDEX ROWID | USER$ |
|* 28 | INDEX UNIQUE SCAN | I_USER1 |
| 29 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 30 | INDEX RANGE SCAN | I_OBJ2 |
|* 31 | TABLE ACCESS CLUSTER | COL$ |
|* 32 | INDEX UNIQUE SCAN | I_OBJ# |
|* 33 | TABLE ACCESS CLUSTER | COLTYPE$ |
|* 34 | INDEX RANGE SCAN | I_HH_OBJ#_INTCOL# |
|* 35 | TABLE ACCESS BY INDEX ROWID | OBJ$ |
|* 36 | INDEX RANGE SCAN | I_OBJ3 |
| 37 | TABLE ACCESS CLUSTER | USER$ |
|* 38 | INDEX UNIQUE SCAN | I_USER# |
|* 39 | TABLE ACCESS CLUSTER | TAB$ |
|* 40 | INDEX UNIQUE SCAN | I_OBJ# |
| 41 | NESTED LOOPS | |
| 42 | FIXED TABLE FULL | X$KZSRO |
|* 43 | INDEX RANGE SCAN | I_OBJAUTH2 |
|* 44 | FIXED TABLE FULL | X$KZSPR |
Predicate Information (identified by operation id):
2 - access("O"."OBJ#"=:B1)
4 - access("O"."OBJ#"=:B1)
6 - access("O"."OBJ#"=:B1)
8 - access("O"."OBJ#"=:B1)
10 - access("O"."OBJ#"=:B1)
11 - filter(("O"."TYPE#"=3 OR "O"."TYPE#"=4 OR "O"."TYPE#"=2 AND NOT
EXISTS (SELECT 0 FROM "SYS"."TAB$" "T" WHERE "T"."OBJ#"=:B1 AND
(BITAND("T"."PROPERTY",512)=512 OR BITAND("T"."PROPERTY",8192)=8192)))
AND ("O"."OWNER#"=USERENV('SCHEMAID') OR EXISTS (SELECT 0 FROM
"SYS"."OBJAUTH$" "OBJAUTH$",SYS."X$KZSRO" "X$KZSRO" WHERE "OBJ#"=:B2
AND "GRANTEE#"="KZSROROL") OR EXISTS (SELECT 0 FROM SYS."X$KZSPR"
"X$KZSPR" WHERE "INST_ID"=USERENV('INSTANCE') AND ((-"KZSPRPRV")=(-45)
OR (-"KZSPRPRV")=(-47) OR (-"KZSPRPRV")=(-48) OR (-"KZSPRPRV")=(-49) OR
(-"KZSPRPRV")=(-50)))))
22 - access("U"."NAME"='REPORTING_TEST')
23 - filter("O"."TYPE#"=5)
24 - access("O"."OWNER#"="U"."USER#" AND
"O"."NAME"='OV_COMMERCIAL_ENTITY_JN')
26 - access("O"."OBJ#"="S"."OBJ#")
28 - access("S"."OWNER"="U"."NAME")
30 - access("O"."OWNER#"="U"."USER#" AND "S"."NAME"="O"."NAME")
31 - filter(DECODE("C"."PROPERTY",0,'NO',DECODE(BITAND("C"."PROPERTY",
32),32,'YES','NO'))='NO')
32 - access("O"."OBJ#"="C"."OBJ#")
33 - filter("C"."INTCOL#"="AC"."INTCOL#"(+))
34 - access("C"."OBJ#"="H"."OBJ#"(+) AND
"C"."INTCOL#"="H"."INTCOL#"(+))
35 - filter("OT"."TYPE#"(+)=13)
36 - access("AC"."TOID"="OT"."OID$"(+))
38 - access("OT"."OWNER#"="UT"."USER#"(+))
39 - filter(BITAND("T"."PROPERTY",512)=512 OR
BITAND("T"."PROPERTY",8192)=8192)
40 - access("T"."OBJ#"=:B1)
43 - access("GRANTEE#"="KZSROROL" AND "OBJ#"=:B1)
44 - filter("INST_ID"=USERENV('INSTANCE') AND ((-"KZSPRPRV")=(-45) OR
(-"KZSPRPRV")=(-47) OR (-"KZSPRPRV")=(-48) OR (-"KZSPRPRV")=(-49) OR
(-"KZSPRPRV")=(-50)))
Note
- rule based optimizer used (consider using cbo)

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hh

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I know you did not ask, but you may want to consider any of the following that you have not already tried before you have your iSight serviced.
If you have changed anything recently, have you considered Possible hardware or software conflicts.
I see you have previously posted about problems with your Firewire. Does your iSight show as a Firewire device in your System Profiler? Do other Firewire devices work when connected to the same port on your PowerBook?
If your iSight works when connected to a different Mac but you do not see iSight in System Profiler when your iSight is connected to your PowerBook, you may have connection, cable, Firewire, or other problems with your Mac. In this case, try Apple's suggestions in What to do if your computer won't recognize a FireWire device.
Jim
15" PowerBook 1.67 GHz Mac OS X (10.4.10) G5 DP 1.8 External iSight

How can Logic make tracks slow down like an old record slowing down?

If anyone skilled know this, I need to get my entire tracks to " slows down" as a record that just loosing the motor....I have audio tracks and some spectronics /ESX24 also in the set.
I need to make this goes down and efter 1 second to speed up again...
I am working in 48Khz and Logic 9.1.1 and 5.1 sorround.
Maybe I am missing something easy, or maybe it is are harder to get.....
Hopefully a "mastermind" can help me out!
Message was edited by: Host (to clarify subject)

Danke, thank you....!!
I was messing around with flex and felt it was not really obvious to make it there.....
I will do this!
Thanks for helping me out here!

Map Layer makes map slow

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