Can we Start Complete Cache Refresh at production

While the production is running , we want to do a "Start Complete Cache Refresh" at SXI_CACHE.
Please inform us whether you did it and if so, what is the impact?
Thanks!

I am assuming you wont be doing Complete Cache refresh just for the heck of doing it.
Incase any cache related problem occurs the only way to solve would be to refresh the cache.
So you really don't have any option to decide whether you should do or not.
Well Yes messages could fail when full cache refresh is taking place.
>The entire refresh typically takes how many munites to be done?
Actually depends on the no of interfaces which are present, memory, cpu,etc etc.
Why don't you try to do a full cache refresh in Dev and see how much time it takes. In Prd it should take less than the time it takes in the dev system.
Regards,
Sumit

Similar Messages

Delta and complete cache refresh.

HI,
Difference between Delta and complete cache refresh.
thanks
sunil

Hi,
There are several variants of the cache refresh mechanism depending on the scope of the cache refresh (delta only or entire cache refresh) and on the triggering component (tool or messaging component).
Delta Cache Refresh
Delta Cache Refresh involves the missing activated change lists to be included in the directory cache.
Complete Cache Refresh
To restructure the cache completely, in the menu bar choose XI Runtime Cache à Start Complete Cache Refresh.
Cache refreshing means getting the newly created component in the cache. Usually cache get refreshed automatically by SAP system and user do no thave to refresh it but in some cases the newly created component does not get dispalyed in cache. In that case this cache should be refreshed and it will pull out the new component in it.
Thanks
Swarup

Delta cache refresh Vs Complete cache refresh

In SXI_cache
we can view Delta cache refresh and Complete cache refresh
can you explain Delta cache refresh Vs Complete cache refresh???

hi Gabriel,
Only execute Complete Cache refresh, if Delta refresh does not solve the issue! Delta cache refresh should resolve all known issues.
Complete cache refresh can run long time and delay message processing in this time.
for more details
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/c0332b2a-eb97-2910-b6ba-dbe52a01be34
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/1a69ea11-0d01-0010-fa80-b47a79301290
*PS reward points if useful**
Regards,
Sumit Gupta

In t.code sxi_cache,start delta cache refresh not enable

hi every one,
in my xi server in t.code sxi_cache,start delta cache refresh not enable.plz provied the solution....
with regards,
sai kiran

Hi kiran,
Check the below link it might help you
[http://help.sap.com/saphelp_nw04/helpdata/en/5e/f85141196ff423e10000000a155106/content.htm]
Regards,
Gokul B

Delta refresh and complete cache refresh

Hi,
iam doing the complete cache refresh and delta cache refresh in my scenario. after doing that the data's are reflecting very slowly in the RWB valuemapping cache.
sometimes it is not reflecting in the RWB valuemapping cache.
i refreshed the CPI cache and SLD cache, still it is not reflecting in the RWB.
could anyone tell me the solution for this to reflect in the RWB valuemapping cache????
Regards
sasi

Hi,
In the component monitoring check the RWB component and check the performance monitoring, may be some times performance monitoring is low because of the payload or some other conditions.
Delta Cache Refresh: Any new objects that have been created/modified during the design/configuration
                      activities are inserted into the temporary database tables when we use delta
                      cache refresh option.(Partial process refresh)
Complete Cache Refresh: All entries in temporary cache tables are deleted and a background program
                          for inserting the complete information about all the design/configuration
                          objects.(whole process refresh)

My MacBook Pro can not start completely it stays on a blue scre

I restarted my MacBook Pro but left a USB plugged now it can not start completely it stays on a blue screen where I can see the pointer and sometimes a small icon which indicates its processing something. It has being like that for two days. I can not even turn it off I have to hold the bottom to force it to shut off.

i know this may be silly but i hope you removed the usb device while restarting.
If you did then hold up the option key as soon as you press the power button. It will bring you to a bootfolder selection choose your main partition and boot up. Alternatively if this does not help then do a PRAM and SMC reset. If these things fail then select recovery partition and go to disk utility and repair permisions for the main partition within the first aid section. If all else fails you would need to re install the osx, hope you have a back up.
Since you have not told us what model and year the mbp is if you have the recovery discs with you use disc 2 and read the insturctions on the disc as to what key you should hold.

Problems in SLD and Cache refresh (SXI_CACHE).

Dear Experts,
I am facing SLD and Cache refresh problems in PI 7.0 on HP-UX.
1) SXI_CACHE : Last Error During Cache refresh is showing LCR_GET_OWN_BUSINESS_SYSTEM - NO_BUSINESS_SYSTEM error. And also Start Delta Cache Refresh / Start Complete Cache refresh are in deactive mode (Frozen).
2) SLDCHECK : Log says No Business System for ABC Client 100 ".
where ABC=SID. Business System INTEGRATION_SERVER_ABC is declared in SLD and client 100 is assigned.
My question is : Is this a BASIS or DEVELOPER issue? Also please let me know if you have any solutions for the above mentioned issue. Thanks in Advance.
SLDCHECK Log Snippet:
SLD server access settings:
host name: ABCXIDEV
port number: 50000
user : PIAPPLUSER
Use transaction SLDAPICUST if you wish to maintain the SLD server access data
Launching the SLD GUI in a separate browser window...
=> Verify in the browser GUI that the SLD is in a healthy running state!
Calling function LCR_LIST_BUSINESS_SYSTEMS
Retrieving data from the SLD server...
Function call terminated sucessfully
List of business systems maintained in the SLD:
INTEGRATION_SERVER_ABC
ERP_DEV_100
Calling function LCR_GET_OWN_BUSINESS_SYSTEM
Retrieving data from the SLD server...
No corresponding business system found for system ABC client 100
=> Check and maintain the SLD content for the current client

Hello,
Since this is an PI system, your XI consultant must have created/will need to create business systems in SLD for the scenario to work properly. This error is because it cannot find the business system.
You cannot point out the fingers on Basis or XI and say that it is THEIR issue. Please consult with the consultant who is doing the XI interface and check if the business systems he require are properly created in SLD. If not, create them or ask them to create it (if they are allowed to..).
From the error, what i can see is that you have defined an integration server INTEGRATION_SERVER_ABC in SLD . the XI interface is checking the required business system in the integration server INTEGRATION_SERVER_ABC in SLD but cannot find it over there. Please check the integration server INTEGRATION_SERVER_ABC in SLD and talk to the XI consultant and you will be able to fix this with their help.
Hope this helps you..
Regards,
Jazz

Cache Refresh Problem in SXI_CACHE Transaction in new client 700

Hi Experts,
    We have installed and configured the new PI7.1 server and were checking its readiness by going through the Readiness Check Document. At one stage while we run the transaction SXI_CACHE in client 700 we are not getting the option of " Start Complete Cache Refresh" in highlighted mode. Thus we are not able to refresh the cache in client 700. But if I login in Client 001 and login using SAP* and run the SXI_CACHE I am able to see all the pipeline steps as well the option for complete Cache refresh and Adapter cache referesh is in Highlighted mode. The status is also green. Can somebody us in knowing where should we look into to solve this problem so that these option are available in the new client for refershing the CACHE.
Thanks
Regards
suk4023

Hi Soujanya,
    Yes we tried with the link given by you . we got the folowing error
403   Forbidden
SAP NetWeaver Application Server 7.11 / AS Java 7.11
Error: You are not authorized to view the requested resource.
Troubleshooting Guide https://sdn.sap.com/irj/sdn/wiki?path=/display/jsts/home
Details: No details available
Yes we tried by restaring the system too, but the status is same.
Any more inputs will be appreciated............
Thanks
Regards
Suk4023

Error in INTEGRATION_DIRECTORY_HMI and CACHE REFRESH

Hi guys, well after checking the forum and several blogs i can't get rid of my problem!
I have a problem concerning INTEGRATION_DIRECTORY_HMI and CACHE REFRESH.
i wanted to get a file from a FTP-Server via CC and i got error:
<SAP:AdditionalText>Error when reading HTTP destination: INTEGRATION_DIRECTORY_HMI.</SAP:AdditionalText>
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>Error while refreshing the XI runtime cache</SAP:Stack>
<SAP:Retry>M</SAP:Retry>
Because of this i tried to update my cache (SXI_CACHE). When i do a Delta Cache Refresh i get:
Prefix Number: entry missing for system SSID client 100.
When i do a complete Cache Refresh nothing happens at all. I also checked the cache notification in IB - Integration Directory where i fin dout that only the Integration Server (ABAP Cache) won't refresh. Well status is started but nothing else is happening.
Then i checked the RFC INTEGRATION_DIRECTORY_HMI, did a connection test where i get an Internal Server error.
Let me tell u that the systems runs very well in the last days but now i have no clue what might be wrong.
Can somebody please advice me? I already read all blogs concerning this and also did a complete system-restart....
br Jens

when you check INTEGRATION_DIRECTORY_HMI with SM59 it is normal to get
HTTP Response 500 - Internal Server Error. In this case it meens everything OK
see the rediness check, that is attached to SAP note 817920
when you start the complete cache refresh, you can see
the function module SAI_CACHE3_REFRESH_BACKGROUND in SM58. As long as you can see this entry, the cache
refresh is ongoing. If the refresh takes too long and runs on an error, try to specify another timeout in INTEGRATION_DIRECTORY_HMI or in the ICM
Best Regards
Alexander
Message was edited by:
 Alexander Wrobel
Message was edited by:
 Alexander Wrobel
Message was edited by:
 Alexander Wrobel

Cache Refresh for Adapter Engine is not working

Hi,
our adaper engine is not working. At RTW no there are no channels visible and the button "Test Cache Connectivity" leads to a yellow icon for the adapter engine with the error text: "Attempt to fetch cache data from Integration Directory not yet started or still in process".
The error reason is at http://<j2ee host>:<port>/CPACache/history.jsp available: com.sap.aii.af.service.cpa.impl.exception.CPADirectoryCacheException: Couldn't open Directory URL (http://pixd1.digoff.no:55200/dir/hmi_cache_refresh_service/ext?method=CacheRefresh&mode=C&consumer=af.xd1.dat-dof-xi), due to: HTTP 403: Forbidden
The cache refreh request from adapter engine to directory gets an 403 error. What is strange: No problem, to execute that request in a browser, i get the right message, no fault.
I searched for notes or other threads, i could find only <a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/oss_notes/sdn_oss_bc_xi/~form/handler%7b5f4150503d3030323030363832353030303030303031393732265f4556454e543d444953504c4159265f4e4e554d3d373531383536%7d">SAP note 751856</a> , but it is valid for XI 3.0; we are on PI 7.0.
I checked out:
- no user blocked
- all system users have standard authorisations
- reimport of SAP BASIS SWC
- SICF services for XI active
- destination INTEGRATION_DIRECTORY_HMI working
Any idea, how i can get the adapter engine working?
Regards,
Udo

Hi,
There are two ways to display the content of the CPA cache refresh.
1. The Cache-Update Content-XML
Document can be stored in the Adapter Framework database (J2EE schema) for further analysis. Here you have to set the property in the J2EE Visual Administrator tool.
To do so, proceed as follows:
=>J2EE-service SAP XI AF CPA Cache
=> set property trackCacheUpdateXML= true
=> You can now display the cache update XML with the alias CPACache
=> View Cache Update History
=> View Cache Update XML
2. The content of the cache refresh from the Integration Directory intothe CPA cache can be written to an XML file: Here you have to set the property inthe J2EE Visual Administrator tool:
=>J2EE-service SAP XI AF CPA Cache
=> set property J2EE service SAP XI AF CPA Cache cacheUpdateDebugFile = true
=> the CPA cache refresh XML file will be in the server(0) directory search for the following file names:
=> value of the property cacheUpdateDebugFile.deltaif you intend to see the delta refresh accordingly and the value of the property cacheUpdateDebugFile.full if
you intend to see the full cache refresh content
Note: After your analysis, do not forget to reset the properties value to false.
You can delete the XML cache-
refresh table: alias CPACache
=> View Cache Update History
=> Delete History
Also check out the user and its permission.
regards
Aashish Sinha
PS : Reward points if Helpful

"Delta Cache Refresh" option not working in SAP XI 3.0

Hello All,
We are using an SAP XI 3.0 system with SP9 installed on the same. The system is pretty much stable with all the components including SLD running fine. But!, when I run the Transaction "SXI_CACHE", the "Start Delta Cache Refresh" Button appears as Nullified and hinders the option for refreshing the cache. Could anyone guide me through this and make it work as we need to essentially do this step for the scenario we 're working on.
Thanks & Regards,
Venkat.

Venkat,
Could you please check the status of you last cache refresh. There should be a traffic light displaying on the right part of the screen. If the last update was unsuccesful. Delta refresh isn't possible.
Best regards,
Alwin

RFC Cache Refresh

Hi,
I am working on JDBC to RFC scenario. As there were some new changes done on RFC i have re-imported the new structure into XI and activated. Now when i run the scenario it is still taking the old structure and it is failing in sxmb_moni.
I tried full cache refresh through sxi_cache but still the same problem.
Please help me out.
Best Regards,
Sudheer

Hi Sudheer,
First Clear SLD Data Cache from IR and ID using the menu option
Environment-->Clear SLD Data Cache
Now, use XIDIRUSER to refresh the cache via below URLs -
For complete cache refresh - http://<hostname>:<port>/CPACache/refresh?mode=full
For delta cache refresh - http://<hostname>:<port>/CPACache/refresh?mode=delta
If this does not solve the issue, check transaction SLDCHECK to ensure that connection to SLD is available.
If the issue still persists, see Cache Update Problems section in [XI Troubleshooting Guide|http://www.riyaz.net/blog/index.php/2008/06/04/xipi-sap-xi-troubleshooting-guide/].
Regards,
Riyaz

Cache refresh error in Production Server in XI

Hi All,
whenever any object in ID gets changed cache refresh stops in XI in the production server.It throws error that it is unable to refresh the cache.All post installation activities are done properly.What should be done to solve the issue.

What is the exact error? You may try looking into these two guides:
[How Tou2026 Handle Caches in SAP XI 3.0:|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/1a69ea11-0d01-0010-fa80-b47a79301290?quicklink=index&overridelayout=true]
[How Tou2026 Handle XPI Caches in SAP NetWeaver 7.0:|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0332b2a-eb97-2910-b6ba-dbe52a01be34?quicklink=index&overridelayout=true]
For an overview of cache refresh errors in the Integration Repository or Integration Directory you can check SAP Note 780747.

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Can we Start Complete Cache Refresh at production

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