Slow response time for JSP pages under iAS 6.0 SP4

Hi,
I got an application deployed on iplanet app server 6.0 SP4 on solaris
2.8. Using a single kjs engine and lite sessions. kjs memory size is
min 256 and max 256 megs. but verbose:gc shows memory is 98% free.
when i restart the app server, all JSP pages are really rendered fast.
After a while (1 or 2 days), the time to service the same request to
JSP pages is getting much longer (even with JSP pages having only
static content in them). CPU is idle ... It just takes time. KXS log
shows requet is taking like 2-4 seconds instead of about 150 milli
secs when the engine is just restarted.
Now if i call a servlet (which do not dispath to a JSP), the response
time is ok! Memory is ok. It looks like its related to JSP pages
only.
Anyone having an idea what the problem could be? One conig param is
the JSP page cache in iASAT. Default value is 10. What is a correct
setting for production? I have 4 different web app deployed in the
same server instance.
Tanks a lot for your input
Andre Paradis

Andre,
I have found the answer to my problem and perhaps yours. It seems that I18N (internationalization) in SP4 may have a performance bug in it.
My soak tests show that with i18N checked in the iAS Admin Tool, testing the fortune cookie sample application with light load (1 request / sec) resulted in a kxs response time initially of 15ms, however this response time increased by roughly 1% per request (i.e after 100 requests the response time had more than doubled).
Switching I18N off yielded a steady 7ms kxs response time from the fortune cookie application.
I would add that I turned I18N on AFTER the installation procedure.
Is this a known issue in SP4? Is there a patch?
regards,
Owen

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"Error","jrpp-50","08/15/11","09:14:17",,"Invalid CFML construct found on line 42 at column 35.ColdFusion was looking at the following text:=The CFML compiler was processing:<ul><li>An expression that began on line 42, column 8. The expression might be missing an ending #, for example, #expr instead of #expr#.<li>A cfset tag beginning on line 42, column 2.</ul> The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\clinpub\L2\ess\page4a.cfm, line: 42 "
"Error","jrpp-78","08/15/11","09:56:53","TEAMS_database","Variable MYPERIOD is undefined. The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\monthly_entry.cfm, line: 220 "
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"Error","jrpp-89","08/15/11","10:13:20","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\monthlyentry1a.cfm, line: 418 "
"Error","jrpp-88","08/15/11","10:13:52","TEAMS_database","Error Executing Database Query.Timed out trying to establish connection The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\login.cfm, line: 77 "
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"Error","jrpp-92","08/15/11","10:16:25","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\login.cfm, line: 77 "
"Error","jrpp-84","08/15/11","10:18:11","impager","Error Executing Database Query.Timed out trying to establish connection The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\clinical\pagers\impager\pagerlist.cfm, line: 620 "
"Error","jrpp-89","08/15/11","10:19:37","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\entry_2011_1.cfm, line: 233 "
"Error","jrpp-80","08/15/11","10:22:19","TEAMS_database","Error Executing Database Query.Timed out trying to establish connection The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\entry_2011_1.cfm, line: 154 "
"Error","jrpp-92","08/15/11","10:23:24","TEAMS_database","Error Executing Database Query.Timed out trying to establish connection The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\login.cfm, line: 84 "
"Error","jrpp-96","08/15/11","10:24:12","TEAMS_database","The request has exceeded the allowable time limit Tag: cfoutput The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\entry_2011_2.cfm, line: 157 "
"Error","jrpp-95","08/15/11","10:24:12","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\entry_2011_1.cfm, line: 233 "
"Error","jrpp-14","08/15/11","10:31:03","TEAMS_database","Error Executing Database Query.Timed out trying to establish connection The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\monthlyentry1a.cfm, line: 9 "
"Error","jrpp-2","08/15/11","10:31:33","TEAMS_database","Error Executing Database Query.Timed out trying to establish connection The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\sow.cfm, line: 144 "
"Error","jrpp-15","08/15/11","10:32:04","TEAMS_database","Error Executing Database Query.Timed out trying to establish connection The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\TA_entry.cfm, line: 154 "
"Error","jrpp-1","08/15/11","10:32:15","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\monthlyentry1a.cfm, line: 124 "
"Error","jrpp-12","08/15/11","10:32:58","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\sow.cfm, line: 169 "
"Error","jrpp-10","08/15/11","10:33:21","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\monthlyentry1a.cfm, line: 418 "
"Error","jrpp-4","08/15/11","10:33:43","TEAMS_database","The request has exceeded the allowable time limit Tag: CFQUERY The specific sequence of files included or processed is: C:\inetpub\wwwroot\cf\tpep\teendata\entry_2011_2.cfm, line: 233 "
Please let me know if any other data would be usefull.

Hi,
I expect the error details in CF9\runtime\logs\coldfusion-out.log will like provide a clue as to problem.
For a more long term plan I think you should do what you can to migrate the ACCESS data to SQL or some other database.
HTH, Carl.

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 In 0 ms
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I will have to investigate on RZ23N and RZ21 because I'm not used to use them.
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Wait for work process 0 ms
Processing time 5.489 ms
Load time 0 ms
Generating time 0 ms
Roll (in+wait) time 0 ms
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11:00:03 bt1fsaplpr02_PLG RFC R 3 USER_LECKIT 13 13 0 0
11:00:03 bt1sqkvf_PLG_18 RFC R 4 USER_LECDIS 13 13 0 0
11:00:04 bt1sqkvh_PLG_18 RFC R 0 USER_LECKIT 19 19 0 16
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11:00:04 bt1sqkvf_PLG_18 RFC R 4 USER_LECDIS 14 14 0 16
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11:00:07 bt1sqkvh_PLG_18 RFC R 0 USER_LECDIS 15 15 0 0
11:00:07 bt1sqkvg_PLG_18 RFC R 0 USER_LECKIT 13 13 0 16
11:00:07 bt1sqk2t_PLG_18 RFC R 0 USER_LECKIT 19 19 0 0
11:00:07 bt1fsaplpr02_PLG RFC R 3 USER_LECKIT 23 13 10 0
11:00:07 bt1sqkve_PLG_18 RFC R 4 USER_LECDIS 38 38 0 0
11:00:08 bt1sqkvf_PLG_18 RFC R 4 USER_LECKIT 20 20 0 16
11:00:09 bt1sqkvg_PLG_18 RFC R 0 USER_LECDIS 9 495 9 495 0 16
11:00:09 bt1sqk2t_PLG_18 RFC R 0 USER_LECDIS 9 404 9 404 0 0
11:00:09 bt1sqkvh_PLG_18 RFC R 1 USER_LECKIT 9 181 9 181 0 0
11:00:10 bt1fsaplpr02_PLG RFC R 3 USER_LECDIS 23 23 0 0
11:00:10 bt1sqkve_PLG_18 RFC R 4 USER_LECKIT 8 465 8 465 0 16
11:00:18 bt1sqkvh_PLG_18 RFC R 0 USER_LECKIT 18 18 0 16
11:00:18 bt1sqkvg_PLG_18 RFC R 0 USER_LECKIT 89 89 0 0
11:00:18 bt1sqk2t_PLG_18 RFC R 0 USER_LECKIT 75 75 0 0
11:00:18 bt1sqkvh_PLG_18 RFC R 1 USER_LECDIS 43 43 0 0
11:00:18 bt1sqk2t_PLG_18 RFC R 1 USER_LECDIS 32 32 0 16
11:00:18 bt1sqkvg_PLG_18 RFC R 1 USER_LECDIS 15 15 0 16
11:00:18 bt1sqkve_PLG_18 RFC R 4 USER_LECDIS 13 13 0 0
11:00:18 bt1sqkve_PLG_18 RFC R 4 USER_LECDIS 14 14 0 0
11:00:18 bt1sqkvf_PLG_18 RFC R 4 USER_LECKIT 69 69 0 16
11:00:18 bt1sqkvf_PLG_18 RFC R 5 USER_LECDIS 49 49 0 16
11:00:18 bt1sqkve_PLG_18 RFC R 5 USER_LECKIT 19 19 0 16
11:00:18 bt1sqkvf_PLG_18 RFC R 5 USER_LECDIS 15 15 0 16
The load at that time was very light with only a few jobs starting :
11:00:08 bt1fsaplpr02_PLG RSCONN01 B 31 USER_BATCH 39
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 31 USER_BATCH 34
11:00:08 bt1fsaplpr02_PLG /SDF/RSORAVSH B 33 USER_BATCH 64
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 33 USER_BATCH 43
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 34 USER_BATCH 34
11:00:08 bt1fsaplpr02_PLG RSBTCRTE B 35 USER_BATCH 37
11:00:09 bt1fsaplpr02_PLG RVV50R10C B 34 USER_BATCH 60
11:00:09 bt1fsaplpr02_PLG ZLM_HDS_IS_PURGE_RESERVATION B 35 USER_BATCH 206
I'm thinking also now about the message server as there is load balancing for each RFC call ?
Regards,
Olivier

Significant difference in response times for same query running on Windows client vs database server

I have a query which is taking a long time to return the results using the Oracle client.
When I run this query on our database server (Unix/Solaris) it completes in 80 seconds.
When I run the same query on a Windows client it completes in 47 minutes.
Ideally I would like to get a response time equivalent on the Windows client to what I get when running this on the database server.
In both cases the query plans are the same.
The query and plan is shown below :
{code}
SQL> explain plan
2 set statement_id = 'SLOW'
3 for
4 SELECT DISTINCT /*+ FIRST_ROWS(503) */ objecttype.id_object
5 FROM documents objecttype WHERE objecttype.id_type_definition = 'duotA9'
6 ;
Explained.
SQL> select * from table(dbms_xplan.display('PLAN_TABLE','SLOW','TYPICAL'));
PLAN_TABLE_OUTPUT
| Id | Operation          | Name      | Rows | Bytes |TempSpc| Cost (%CPU)|
|   0 | SELECT STATEMENT   |           | 2852K|    46M|       | 69851   (1)|
|   1 | HASH UNIQUE       |           | 2852K|    46M|   153M| 69851   (1)|
|* 2 |   TABLE ACCESS FULL| DOCUMENTS | 2852K|    46M|       | 54063   (1)|
{code}
Are there are configuration changes that can be done on the Oracle client or database to improve the response times for the query when it is running from the client?
The version on the database server is 10.2.0.1.0
The version of the oracle client is also 10.2.0.1.0
I am happy to provide any further information if required.
Thank you in advance.

I have a query which is taking a long time to return the results using the Oracle client.
When I run this query on our database server (Unix/Solaris) it completes in 80 seconds.
When I run the same query on a Windows client it completes in 47 minutes.
There are NO queries that 'run' on a client. Queries ALWAYS run within the database server.
A client can choose when to FETCH query results. In sql developer (or toad) I can choose to get 10 rows at a time. Until I choose to get the next set of 10 rows NO rows will be returned from the server to the client; That query might NEVER complete.
You may get the same results depending on the client you are using. Post your question in a forum for whatever client you are using.

ISA Server 2006 + Average response time for Non Cached requests = performance issues?!?!?!

All,
I am in a predicament with internet browsing speeds...We have a 3rd party look after our line and internet facing f/w so I cant troubleshoot them, so at the moment Im looking at ISA as the potential bottleneck - we have a fairly standard environment:
Internal > Local Host > Perimiter n/work > Firewall > Internet
I have been running custom reports on the ISA server to see what data can be collected - I have noticed that "Average response time for non cached requests" (traffic by time of day) can be as high as 76 seconds!!!!!! Cached hits are between .5
and 2 seconds.
I have also coonfigured a connectivity verifier which is also flagging slow connectivity, massively over the >5000ms and also reporting "cant resolve server name on occassions- and this is configured for
www.Microsoft.com --- DNS ???!?!, however I have looked through DNS (no obvious errors / config issues) which I can see
I have run the BPA on ISA server to ensure its Health - - connectivity verifier errors flagged timeouts to microsoft.com as expected...
Can anyone advise any obvious areas to investigate as Im struggling! - as always the 3rd party have told us the internet pipe is fine :O

Problem resolved.
DNS forwarders have been changed on the ISA server / DNS and this has improved lookup speed considerably.
thanks all :)

Proxy Server asking for username and password almost 6 times for every page I load, but the same doesn't happen with other browsers like chrome

The same question keeps popping up again and again "The proxy moz-proxy://proxy.iitm.ac.in:3128 is requesting a username and password. The site says: "moz-proxy://proxy.iitm.ac.in:3128""
Even after i give the right details, it asks me like 5 more times before it completely loads the page. Some times it happens only 2 times.
With other browsers like chrome, it asks only in the beginning. it doesn't occur after that.
This started occurring only recently. i upgraded to firefox 9.0 and it functioned properly for more than 12 hours before it started occuring. i tried downgrading back to 8.0.1 but the problem still continued.

i'm afraid i need to use proxy settings to connect to internet. The settings are all fine because it used to work properly all this time. i specify the proxy address and the port, which is correct, i am very confident. it is so because the page actually loads on firefox, but not before it asks for my user name and password for it a lot of times, and for every page. for other browsers, it asks only in the beginning, that is, when i start the browser.
i've put three pics here. under the first two settings, the third image showing the user name and password thingy popping up. this happens a lot of times for every page.

EJB slow response time in cluster

We have 2 clusters : cluster 1(3 managed servers) and cluster2( 2 managed servers). We have an EJB deployed on cluster2 which is being called by an application on cluster1. Issue is that this EJB gives a very slow response time (in the order of minutes). There are no errors or exceptions in the logs.
When we shut down one of the nodes on cluster2, the respose from the same EJB is very fast. Please help as to where we should look out for the issue?

Could be that you have a network configuration problem. The source of the problem is how host names and IP addresses are resolved,
and there is a workaround. RMI and other naming services use the InetAddress class to obtain resolved host names and IP addresses.
InetAddress caches lookup results to improve subsequent calls, but when it is passed a new IP address or host name, it performs a
cross-reference between the IP address and the host name to prevent address spoofing. If you supply the host name as an IP address,
InetAddress still tries to verify the name of the host. To workaround this problem, include the host name and IP address in the
hosts file on the client, for example,
127.0.0.1           localhost
172.30.0.129      SomeWebLogicServerHostName
172.30.0.130      SomeOtherWebLogicServerHostName

Experiencing very slow response time using AirPort while wired response is fine. Suggestions?

After a surfing session a few weeks ago the response time for my AirPort internet connection became painfully slow. When I plug in to the wired connection it works fine. Resetting the router and modem doesn't seem to fix it. What might have happened and what can I do to fix it?

It is very possible that you may have some form of Wi-Fi interference that appears during these hours that is preventing your AirPort Base Station from providing a clean RF signal.
I suggest you perform a simple site survey, using utilities like iStumbler, Wi-Fi Explorer or AirRadar to determine potential areas of interference, and then, try to either eliminate or significantly reduce them where possible.

Very slow response, stopping for seconds in the middle of typing an email

I'm having very slow response time with Firefox, so much so that I've switched to IE (gasp!). It'll stop suddenly for several seconds in the middle of typing an email and I have to wait to start typing again. Websites are timing out or just taking a very long time to respond after clicking on something. Yahoo in particular is extremely slow.

For me, I think the "Skype Click to Call 5.11.0.9874" addon was causing the slow response. Once I disabled this addon Firefox was responding normally.

Slow response time for JSP pages under iAS 6.0 SP4

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