Performance issue in first run
Hi Experts,
I am having one performance issue. In the first run of z program performance is very poor. but in the second run it is fast. Performance is getting affected at one select query on table FAGLFLEXA. There is no buffering selected at technical setting level for this. Please guide in this case.
Hello Swapnil,
Please turn on a SQL trace in ST05 when you experience performance issue again and ask your developer to tune up the z program.
Thanks,
Siva Kumar
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SELECT MAX (a.plate_index), MAX (a.plate_name), MAX (a.int_well_id),
MAX (a.row_index_alpha), MAX (a.column_index), MAX (a.is_valid),
MAX (a.well_type_id), MAX (a.read_index), MAX (a.run_id),
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MAX (a.dose), MAX (a.unit), MAX (a.int_plate_id), MAX (a.run_name)
FROM vw_well_data a
WHERE a.run_id = :app_run_id
GROUP BY a.int_well_id, a.read_index
Run the query :
SELECT Sql_FullText,(cpu_time/100000) "Cpu Time (s)",
(elapsed_time/1000000) "Elapsed time (s)",
fetches,buffer_gets,disk_reads,executions
FROM v$sqlarea
WHERE Parsing_Schema_Name ='SCHEMA';
With results :
SQL_FULLTEXT Cpu Time (s) Elapsed time (s) FETCHES BUFFER_GETS DISK_READS EXECUTIONS
query1 (RUN_ID=119) 22.15857 3.589822 1 2216 354 1
query2 (RUN_ID=120) 1885.16959 321.974332 3 7685410 368 3
Explain Plan for RUNID 119_
PLAN_TABLE_OUTPUT
Plan hash value: 3979963427
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 261 | 98397 | 434 (2)| 00:00:06 |
| 1 | HASH GROUP BY | | 261 | 98397 | 434 (2)| 00:00:06 |
| 2 | VIEW | VW_WELL_DATA | 261 | 98397 | 433 (2)| 00:00:06 |
| 3 | UNION-ALL | | | | | |
|* 4 | HASH JOIN | | 252 | 21168 | 312 (2)| 00:00:04 |
| 5 | NESTED LOOPS | | 249 | 15687 | 112 (2)| 00:00:02 |
|* 6 | HASH JOIN | | 249 | 14442 | 112 (2)| 00:00:02 |
| 7 | TABLE ACCESS BY INDEX ROWID | PLATE | 29 | 464 | 2 (0)| 00:00:01 |
|* 8 | INDEX RANGE SCAN | IDX_PLATE_RUN_ID | 29 | | 1 (0)| 00:00:01 |
| 9 | NESTED LOOPS | | 13286 | 544K| 109 (1)| 00:00:02 |
| 10 | TABLE ACCESS BY INDEX ROWID| RUN | 1 | 11 | 1 (0)| 00:00:01 |
|* 11 | INDEX UNIQUE SCAN | PK_RUN | 1 | | 0 (0)| 00:00:01 |
| 12 | TABLE ACCESS BY INDEX ROWID| WELL | 13286 | 402K| 108 (1)| 00:00:02 |
|* 13 | INDEX RANGE SCAN | IDX_WELL_RUN_ID | 13286 | | 46 (0)| 00:00:01 |
|* 14 | INDEX UNIQUE SCAN | PK_WELL_TYPE | 1 | 5 | 0 (0)| 00:00:01 |
| 15 | TABLE ACCESS BY INDEX ROWID | WELL_RAW_DATA | 26361 | 540K| 199 (2)| 00:00:03 |
|* 16 | INDEX RANGE SCAN | IDX_WELL_RAW_RUN_ID | 26361 | | 92 (2)| 00:00:02 |
| 17 | NESTED LOOPS | | 9 | 891 | 121 (2)| 00:00:02 |
|* 18 | HASH JOIN | | 9 | 846 | 121 (2)| 00:00:02 |
|* 19 | HASH JOIN | | 249 | 14442 | 112 (2)| 00:00:02 |
| 20 | TABLE ACCESS BY INDEX ROWID | PLATE | 29 | 464 | 2 (0)| 00:00:01 |
|* 21 | INDEX RANGE SCAN | IDX_PLATE_RUN_ID | 29 | | 1 (0)| 00:00:01 |
| 22 | NESTED LOOPS | | 13286 | 544K| 109 (1)| 00:00:02 |
| 23 | TABLE ACCESS BY INDEX ROWID| RUN | 1 | 11 | 1 (0)| 00:00:01 |
|* 24 | INDEX UNIQUE SCAN | PK_RUN | 1 | | 0 (0)| 00:00:01 |
| 25 | TABLE ACCESS BY INDEX ROWID| WELL | 13286 | 402K| 108 (1)| 00:00:02 |
|* 26 | INDEX RANGE SCAN | IDX_WELL_RUN_ID | 13286 | | 46 (0)| 00:00:01 |
| 27 | TABLE ACCESS BY INDEX ROWID | WELL_CALC_DATA | 490 | 17640 | 9 (0)| 00:00:01 |
|* 28 | INDEX RANGE SCAN | IDX_WELL_CALC_RUN_ID | 490 | | 4 (0)| 00:00:01 |
|* 29 | INDEX UNIQUE SCAN | PK_WELL_TYPE | 1 | 5 | 0 (0)| 00:00:01 |
Predicate Information (identified by operation id):
4 - access("WELL_RAW_DATA"."RUN_ID"="WELL"."RUN_ID" AND
"WELL"."INT_WELL_ID"="WELL_RAW_DATA"."INT_WELL_ID")
6 - access("PLATE"."RUN_ID"="WELL"."RUN_ID" AND "PLATE"."INT_PLATE_ID"="WELL"."INT_PLATE_ID")
8 - access("PLATE"."RUN_ID"=119)
11 - access("RUN"."RUN_ID"=119)
13 - access("WELL"."RUN_ID"=119)
14 - access("WELL"."WELL_TYPE_ID"="TSF_LAYOUT_WELL_TYPE"."WELL_TYPE_ID")
16 - access("WELL_RAW_DATA"."RUN_ID"=119)
18 - access("WELL"."RUN_ID"="WELL_CALC_DATA"."RUN_ID" AND
"WELL"."INT_WELL_ID"="WELL_CALC_DATA"."INT_WELL_ID")
19 - access("PLATE"."RUN_ID"="WELL"."RUN_ID" AND "PLATE"."INT_PLATE_ID"="WELL"."INT_PLATE_ID")
21 - access("PLATE"."RUN_ID"=119)
24 - access("RUN"."RUN_ID"=119)
26 - access("WELL"."RUN_ID"=119)
28 - access("WELL_CALC_DATA"."RUN_ID"=119)
29 - access("WELL"."WELL_TYPE_ID"="TSF_LAYOUT_WELL_TYPE"."WELL_TYPE_ID")
Explain Plan for RUNID 120_
PLAN_TABLE_OUTPUT
Plan hash value: 599334230
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 2 | 754 | 24 (5)| 00:00:01 |
| 1 | HASH GROUP BY | | 2 | 754 | 24 (5)| 00:00:01 |
| 2 | VIEW | VW_WELL_DATA | 2 | 754 | 23 (0)| 00:00:01 |
| 3 | UNION-ALL | | | | | |
|* 4 | TABLE ACCESS BY INDEX ROWID | WELL_RAW_DATA | 1 | 21 | 3 (0)| 00:00:01 |
| 5 | NESTED LOOPS | | 1 | 84 | 9 (0)| 00:00:01 |
| 6 | NESTED LOOPS | | 1 | 63 | 6 (0)| 00:00:01 |
| 7 | NESTED LOOPS | | 1 | 58 | 6 (0)| 00:00:01 |
| 8 | NESTED LOOPS | | 1 | 27 | 3 (0)| 00:00:01 |
| 9 | TABLE ACCESS BY INDEX ROWID| RUN | 1 | 11 | 1 (0)| 00:00:01 |
|* 10 | INDEX UNIQUE SCAN | PK_RUN | 1 | | 0 (0)| 00:00:01 |
| 11 | TABLE ACCESS BY INDEX ROWID| PLATE | 1 | 16 | 2 (0)| 00:00:01 |
|* 12 | INDEX RANGE SCAN | IDX_PLATE_RUN_ID | 1 | | 1 (0)| 00:00:01 |
|* 13 | TABLE ACCESS BY INDEX ROWID | WELL | 1 | 31 | 3 (0)| 00:00:01 |
|* 14 | INDEX RANGE SCAN | IDX_WELL_RUN_ID | 59 | | 2 (0)| 00:00:01 |
|* 15 | INDEX UNIQUE SCAN | PK_WELL_TYPE | 1 | 5 | 0 (0)| 00:00:01 |
|* 16 | INDEX RANGE SCAN | IDX_WELL_RAW_DATA_WELL_ID | 2 | | 2 (0)| 00:00:01 |
|* 17 | TABLE ACCESS BY INDEX ROWID | WELL_CALC_DATA | 1 | 36 | 8 (0)| 00:00:01 |
| 18 | NESTED LOOPS | | 1 | 99 | 14 (0)| 00:00:01 |
| 19 | NESTED LOOPS | | 1 | 63 | 6 (0)| 00:00:01 |
| 20 | NESTED LOOPS | | 1 | 58 | 6 (0)| 00:00:01 |
| 21 | NESTED LOOPS | | 1 | 27 | 3 (0)| 00:00:01 |
| 22 | TABLE ACCESS BY INDEX ROWID| RUN | 1 | 11 | 1 (0)| 00:00:01 |
|* 23 | INDEX UNIQUE SCAN | PK_RUN | 1 | | 0 (0)| 00:00:01 |
| 24 | TABLE ACCESS BY INDEX ROWID| PLATE | 1 | 16 | 2 (0)| 00:00:01 |
|* 25 | INDEX RANGE SCAN | IDX_PLATE_RUN_ID | 1 | | 1 (0)| 00:00:01 |
|* 26 | TABLE ACCESS BY INDEX ROWID | WELL | 1 | 31 | 3 (0)| 00:00:01 |
|* 27 | INDEX RANGE SCAN | IDX_WELL_RUN_ID | 59 | | 2 (0)| 00:00:01 |
|* 28 | INDEX UNIQUE SCAN | PK_WELL_TYPE | 1 | 5 | 0 (0)| 00:00:01 |
|* 29 | INDEX RANGE SCAN | IDX_WELL_CALC_RUN_ID | 486 | | 3 (0)| 00:00:01 |
Predicate Information (identified by operation id):
4 - filter("WELL_RAW_DATA"."RUN_ID"=120)
10 - access("RUN"."RUN_ID"=120)
12 - access("PLATE"."RUN_ID"=120)
13 - filter("PLATE"."INT_PLATE_ID"="WELL"."INT_PLATE_ID")
14 - access("WELL"."RUN_ID"=120)
15 - access("WELL"."WELL_TYPE_ID"="TSF_LAYOUT_WELL_TYPE"."WELL_TYPE_ID")
16 - access("WELL"."INT_WELL_ID"="WELL_RAW_DATA"."INT_WELL_ID")
17 - filter("WELL"."INT_WELL_ID"="WELL_CALC_DATA"."INT_WELL_ID")
23 - access("RUN"."RUN_ID"=120)
25 - access("PLATE"."RUN_ID"=120)
26 - filter("PLATE"."INT_PLATE_ID"="WELL"."INT_PLATE_ID")
27 - access("WELL"."RUN_ID"=120)
28 - access("WELL"."WELL_TYPE_ID"="TSF_LAYOUT_WELL_TYPE"."WELL_TYPE_ID")
29 - access("WELL_CALC_DATA"."RUN_ID"=120)I need some advice to understand the issue and to improve the performance.
Thanks,
GrégoryHello,
Thanks for your response.
Stats are computed recently with DBMS_STATS package (case 2) and we have histogramm on 'RUN_ID' columns.
I tried to use the deprecated "analyze" method (case 1) and obtained better results!
DECLARE
-- Get tables used in the view vw_well_data --
CURSOR c1
IS
SELECT table_name, last_analyzed
FROM user_tables
WHERE table_name LIKE 'WELL%';
BEGIN
FOR r1 IN c1
LOOP
-- Case 1 : Analyze method : Perf is good --
EXECUTE IMMEDIATE 'analyze table '
|| r1.table_name
|| ' compute statistics ';
-- Case 2 : DBMS_STATS --
DBMS_STATS.gather_table_stats ('SCHEMA', r1.table_name);
END LOOP;
END;The explain plans are the same as before
Any explanations, suggestions ?
Thanks,
Gregory -
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Guys,
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<Type>ProcessFull</Type>
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{[Measures].members}
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GO
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Best Regards, Arka Mitra. -
Performance issue in browsing SSAS cube using Excel for first time after cube refresh
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https://social.msdn.microsoft.com/Forums/en-US/a1e424a2-f102-4165-a597-f464cf03ebb5/cache-and-performance-issue-in-browsing-ssas-cube-using-excel-for-first-time?forum=sqlanalysisservices
As that thread is marked as answer, but my issue is not resolved, I am creating a new thread.
I am facing a cache and performance issue for the first time when I try to open a SSAS cube connection using Excel (using Data tab -> From Other Sources --> From Analysis Services) after daily cube refresh. In end users system (8 GB RAM but around
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select [HIERARCHY_UNIQUE_NAME]
from $system.mdschema_hierarchies
where CUBE_NAME = 'YourCubeName'
select [LEVEL_UNIQUE_NAME]
from $system.mdschema_levels
where CUBE_NAME = 'YourCubeName'
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http://artisconsulting.com/Blogs/GregGalloway -
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I've spent the last 30 minutes trying to find answers through the search with no luck, so sorry if I missed something.
I recently switched to FIOS from RCN cable in New York. I've gone through trying to setup my DVR and am running into issues and was hoping for some answers.
1. I setup two programs to record at 8PM, I was watching another channel at the time and only half paying attention. Around 8:02 I noticed a message had popped up asking if I would like to switch channels to start recording. I was expecting it to force it to switch like my old DVR, but in this case it didn't switch and I missed the first two minutes of one of the shows. I typically leave my DVR on all day and just turn off the TV, this dual show handling will cause issues with that if I forget to turn off the DVR. Is there a setting I can change that will force the DVR to choose one of the recording channels?
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Some general principles.
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Non-series recordings. With Fios you have no directly available options for these. With RCN and most other DVRs, you can change the start and end times for individual episodes, including individual episodes that are also in a series. With Fios, your workarounds are to create a series with options for a single program, then delete the series later; change the series options if the program is already in a series, then undo the changes you made to the series options later; or schedule recordings of the preceding and/or following shows as needed.
And now, to the unwanted repeats.
First, make sure your series options for the specific series in question--and not just the series default options--include "First Run Only". If not, fix that and SAVE. Then check you results by viewing the current options using the Series Manager app under the DVR menu.
Second, and most annoying, the Guide can have repeat programs on your channel tagged as "New". It happens. Set the series option "Air Time" to "Selected Time". To make this work correctly, you must have set up the original series recording after selecting the program in the Guide at the exact time of a first run showing (11pm, in your case), and not on a repeat entry in the Guide. Then, even it The Daily Show is tagged as New for repeat showings, these will be ignored.
Third, another channel may air reruns of the program in your series recording, and the first showing of a rerun episode on the other channel may be tagged as "New". These can be ignored in your series if you set the series option "Channel" to "Selected Channel". Related to this, if there is both an SD and HD channel broadcasting you series program, you will record them both if the series option "Duplicates" is set to "Yes". However, when the Channel option is set to "Selected Channel", the Duplicates Option is always effectively "No", regardless of what shows up on the options screen.
As for you missing two minutes, I have sereral instances in which two programs start recording at the same time. To the best of my recollection, whenever the warning message has appeared, ignoring it has not caused a loss of recording time. You might have an older software version. Newest is v.1.8. Look at Menu--Settings--System Info. Or, I might not have noticed the loss of minutes. I regularly see up to a minute of previous programming at the start of a recording, or a few missing seconds at the beginning or end of a recording. There are a lot of possibilities for that, but the DVR clock being incorrect is not one of them. With RCN, the DVR clocks occasionally drifted off by as much as a minute and a half. -
Performance issue - application running on front
Hi, I have a Strange performance issue:
- when I launch my app from flash builder without touching anything, it is slow,
- when I launch it from flash builder and immediately open another window and keep it in front of it, it is really fast
it is a windowed application, full screen, displaying multiple objects moving around
had anyone already had the issue?
thanks,
YAnnFor monitoring Azure using SCOM 2012R2, you can refer below link
http://blogs.technet.com/b/dcaro/archive/2012/05/02/how-to-monitor-your-windows-azure-application-with-system-center-2012.aspx
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question, please click "Mark As Answer"Mai Ali | My blog:
Technical | Twitter:
Mai Ali -
RE: Case 59063: performance issues w/ C TLIB and Forte3M
Hi James,
Could you give me a call, I am at my desk.
I had meetings all day and couldn't respond to your calls earlier.
-----Original Message-----
From: James Min [mailto:jminbrio.forte.com]
Sent: Thursday, March 30, 2000 2:50 PM
To: Sharma, Sandeep; Pyatetskiy, Alexander
Cc: sophiaforte.com; kenlforte.com; Tenerelli, Mike
Subject: Re: Case 59063: performance issues w/ C TLIB and Forte 3M
Hello,
I just want to reiterate that we are very committed to working on
this issue, and that our goal is to find out the root of the problem. But
first I'd like to narrow down the avenues by process of elimination.
Open Cursor is something that is commonly used in today's RDBMS. I
know that you must test your query in ISQL using some kind of execute
immediate, but Sybase should be able to handle an open cursor. I was
wondering if your Sybase expert commented on the fact that the server is
not responding to commonly used command like 'open cursor'. According to
our developer, we are merely following the API from Sybase, and open cursor
is not something that particularly slows down a query for several minutes
(except maybe the very first time). The logs show that Forte is waiting for
a status from the DB server. Actually, using prepared statements and open
cursor ends up being more efficient in the long run.
Some questions:
1) Have you tried to do a prepared statement with open cursor in your ISQL
session? If so, did it have the same slowness?
2) How big is the table you are querying? How many rows are there? How many
are returned?
3) When there is a hang in Forte, is there disk-spinning or CPU usage in
the database server side? On the Forte side? Absolutely no activity at all?
We actually have a Sybase set-up here, and if you wish, we could test out
your database and Forte PEX here. Since your queries seems to be running
off of only one table, this might be the best option, as we could look at
everything here, in house. To do this:
a) BCP out the data into a flat file. (character format to make it portable)
b) we need a script to create the table and indexes.
c) the Forte PEX file of the app to test this out.
d) the SQL staement that you issue in ISQL for comparison.
If the situation warrants, we can give a concrete example of
possible errors/bugs to a developer. Dial-in is still an option, but to be
able to look at the TOOL code, database setup, etc. without the limitations
of dial-up may be faster and more efficient. Please let me know if you can
provide this, as well as the answers to the above questions, or if you have
any questions.
Regards,
At 08:05 AM 3/30/00 -0500, Sharma, Sandeep wrote:
James, Ken:
FYI, see attached response from our Sybase expert, Dani Sasmita. She has
already tried what you suggested and results are enclosed.
++
Sandeep
-----Original Message-----
From: SASMITA, DANIAR
Sent: Wednesday, March 29, 2000 6:43 PM
To: Pyatetskiy, Alexander
Cc: Sharma, Sandeep; Tenerelli, Mike
Subject: Re: FW: Case 59063: Select using LIKE has performance
issues
w/ CTLIB and Forte 3M
We did that trick already.
When it is hanging, I can see what is doing.
It is doing OPEN CURSOR. But not clear the exact statement of the cursor
it is trying to open.
When we run the query directly to Sybase, not using Forte, it is clearly
not opening any cursor.
And running it directly to Sybase many times, the response is always
consistently fast.
It is just when the query runs from Forte to Sybase, it opens a cursor.
But again, in the Forte code, Alex is not using any cursor.
In trying to capture the query,we even tried to audit any statementcoming
to Sybase. Same thing, just open cursor. No cursor declaration anywhere.==============================================
James Min
Technical Support Engineer - Forte Tools
Sun Microsystems, Inc.
1800 Harrison St., 17th Fl.
Oakland, CA 94612
james.minsun.com
510.869.2056
==============================================
Support Hotline: 510-451-5400
CUSTOMERS open a NEW CASE with Technical Support:
http://www.forte.com/support/case_entry.html
CUSTOMERS view your cases and enter follow-up transactions:
http://www.forte.com/support/view_calls.htmlEarthlink wrote:
Contrary to my understanding, the <font face="courier">with_pipeline</font> procedure runs 6 time slower than the legacy <font face="courier">no_pipeline</font> procedure. Am I missing something? Well, we're missing a lot here.
Like:
- a database version
- how did you test
- what data do you have, how is it distributed, indexed
and so on.
If you want to find out what's going on then use a TRACE with wait events.
All nessecary steps are explained in these threads:
HOW TO: Post a SQL statement tuning request - template posting
http://oracle-randolf.blogspot.com/2009/02/basic-sql-statement-performance.html
Another nice one is RUNSTATS:
http://asktom.oracle.com/pls/asktom/ASKTOM.download_file?p_file=6551378329289980701 -
Performance issues with Homesharing?
I have a Time Capsule as the base station for my wireless network, then 2 Airport Express setup to extend the network around the house, an iMac i7 as the main iTunes Library and couple of iPads, and a couple of Apple TVs. Everything has the latest software, but I have several performance issues with Home sharing. I've done several tests making sure nothing is taking additional bandwidth, so here are the list of issues:
1) With nothing else running, trying playing a movie via home sharing in an iPad 2 which is located on my iMac, it stops and I have to keep pressing the play button over and over again. I typically see that the iPad tries to download part of the movie first and then starts playing so that it deals with the bandwidth, but in many cases it doesn't.
2) When trying to play any iTunes content (movies, music, photos, etc) from my Apple TV I can see my computer library, but when I go in on any of the menus, it says there's no content. I have to reboot the Apple TV and then problem fixed. I's just annoying that I have to reboot.
3) When watching a Netflix movie on my iPad and with Airplay I send the sound to some speakers via Airplay through an Airport Express. At time I lose the connection to the speakers.
I've complained about Wifi's instability, but here I tried to keep everything with Apples products to avoid any compatibility issues and stay within N wireless technology, which I understood it was much more stable.
Has anyone some suggestions?Hi,
you should analyze the db after you have loaded the tables.
Do you use sequences to generate PKs? Do you have a lot of indexex and/or triggers on the tables?
If yes:
make sure your sequence caches (alter sequence s cache 10000)
Drop all unneeded indexes while loading and disable trigger if possible.
How big is your Redo Log Buffer? When loading a large amount of data it may be an option to enlarge this buffer.
Do you have more then one DBWR Process? Writing parallel can speed up things when a checkpoint is needed.
Is it possible using a direct load? Or do you already direct load?
Dim -
Performance issues with FDK in large XML documents
In my current project with FrameMaker 8 I'm experiencing severe performance issues with some FDK API calls.
The documents are about 3-8 MBytes in size. Fortmatted they cover 150-250 pages.
When importing such an XML document I do some extensive "post-processing" using FDK. This processing happens in Sr_EventHandler() during the SR_EVT_END_READER event. I noticed that some FDK functions calls which modify the document's structure, like F_ApiSetAttribute() or F_ApiNewElementInHierarchy(), take several seconds, for the larger documents even minutes, to complete one single function call. I tried to move some of these calls to earlier events, mostly to SR_EVT_END_ELEM. There the calls work without a delay. Unfortunately I can't rewrite the FDK client to move all the calls that are lagging to earlier events.
Does anybody have a clue why such delays happen, and possibly can make a suggestion, how to solve this issue? Thank you in advance.
PS: I already thought of splitting such a document in smaller pieces by using the FrameMaker book function. But I don't think, the structure of the documents will permit such an automatic split, and it definitely isn't an option to change the document structure (the project is about migrating documents from Interleaf to XML with the constraint of keeping the document layout identical).FP_ApplyFormatRules sounds really good--I'll give it a try on Monday. Wonder how I could miss it, as I already tried FP_Reformatting and FP_Displaying at no avail?! By the way, what is actually meant with FP_Reformatting (when I used it I assumed it would do exactly what FP_ApplyFormatRules sounds to do), or is that one another of Lynne's well-kept secrets?
Thank's for all the helpful suggestions, guys. On Friday I already had my first improvements in a test version of my client: I did some (not all necessary) structural changes using XSLT pre-processing, and processing went down from 8 hours(!) to 1 hour--Yeappie! I was also playing with the idea of writing a wrapper to F_ApiNewElementInHierarchy() which actually pastes an appropriate element created in a small flow on the reference pages at the intended insertion location. But now, with FP_ApplyFormatRules on the horizon, I'm quite confident to get even the complicated stuff under control, which cannot be handled by the XSLT pre-processing, as it is based on the actual formatting of the document at run-time and cannot be anticipated in pre-processing.
--Franz -
MacBook Pro performance issues w/2nd monitor and FCP7
I have this MacBook Pro bought brand-new in January 2010:
Model Name: MacBook Pro
Model Identifier: MacBookPro5,2
Processor Name: Intel Core 2 Duo
Processor Speed: 3.06 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 6 MB
Memory: 8 GB
Bus Speed: 1.07 GHz
and until today had never attached a second monitor to it. Today I hooked up my Samsung 24" to do some dual screen editing in Final Cut 7.0.3. I was unable to play back my video at full speed in the second monitor, and after a few seconds of skippy playback I'd get that error message about unable to play back video at full speed and to check my RT settings. I was using a Mini DisplayPort to DVI adapter. My computer has no issues playing the video in the laptop's monitor at any resolution and any quality settings (I've never changed the RT settings or anything else in the menu ever but I tried every combination this time). I then tried using my TV as a 2nd monitor with an HDMI adapter. Same performance issues. I then tried my friend's newer 13" MBP 8,1 and it performed flawlessly with the same project & footage. I feel like my $3,000 computer should outperform a $1,200 one even if mine is a year and a half older. Any advice?
ChrisWow, you posted this perfectly to coincide with an identical problem, albeit using Logic Pro 9.1.5 rather than FCP.
Last week, I purchased a 23" external monitor to use alongside my "flagship" 2011 15" hi-res, 2.3 i7 Macbook Pro with 8Gb of RAM.
It is connected via a mini-DVI to D-sub analog (not that that should matter?) and all appeared fine.
The first issue I had was with my MBP's fan now running CONSTANTLY, when I have the second monitor attached. Even when the machine is completely idle.
When using the machine to record audio, this is a fairly hefty problem and not something I had anticipated - indeed why would I anticipate such a thing?
What is far, far worse though is that over the last few days I have had repeated problems with performance drop-outs and errors in Logic and I have trying to fathom out why. Realising that the only major system change made, was the above monitor connection, I ran some tests.
I restarted my MBP, no other apps were running and with my new 23" monitor attached acting as main display with MBP built in display on as secondary
I loaded up a fairly demanding Logic project which was hitting 40% to 60% CPU usage when using the built in MBP display last week
I ran activity monitor and had CPU usage history open
The above project now repeatedly overloads and playback halts in a given 8 bar section - with CPU at 80% most of the time
I disconnected the external display, no shut down, I just let the machine switch to the built in 15".
Started the same project, the same 8 bar section and hey presto - CPU usage back down to 40% to 60%
The above was reflected in the CPU usage history with the graph showing CPU use down by about a half, when running this Logic project WITHOUT the external display.
There is a very useful benchmark Logic project that has been used as a test by many users to gauge Logic performance on given Apple hardware.
The project has about 100 tracks pre-configured with CPU intensive plugins, designed to tax the CPU.
The idea is that you load up the project with tracks muted, press play and then unmute the tracks steadily until Logic us unable to play contiunously because of a system performance error.
On my MBP, with the external monitor NOT attached, I can play back around 50 of the audio tracks in this benchmark project.
With the monitor attached, I can get about 22 tracks playing.... which is actually a far worse a performance drop (-50% I think!?) than with the first example!
I did also try with just the external monitor attached and not the MBP display and performance was about 10% better than with dual monitors - so still extremely poor, to say the least.
This machine is the flagship MBP and has a dedicated AMD Radeon HD6750 GPU which should take care of most if not ALL graphics processing - I mean it's capable of running some pretty demanding games!
Putting aside the issue of constant fan noise, there is no reason AT ALL, why using an external monitor should tax the i7 CPU this way - it's not as though Logic is graphically demanding... far from it.
I am on 10.6.8, Logic 9.1.5, all apps up to date via "Software Update".
I will of course, be contacting Apple...
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