What is CPA cache

Hey guys,
Do you understand CPA cache, what is used for? where the CPA caceh located? is it on XI J2EE stack or XI ABAP stack?
if you can point me a standard SAP document, that would be appreciated.

hello Han-Guang
CPA cache  means it will contains the cache copy of all objects created during configuration time (ID)
To monitor the CPA cache
Display:
http://server:port/CPACache/monitor.jsp
History:
http://server:port/CPACache/history.jsp
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/1a69ea11-0d01-0010-fa80-b47a79301290
How to handle XPI caches in 2004s
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/c0332b2a-eb97-2910-b6ba-dbe52a01be34
regards
Prasad
Message was edited by:
        prasad chintala

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    Regards

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    -CC' (f455868123qq3bba4c3dc3dbf93ed1b, party '', schema 'TechnicalSystem', identifier 'ECC#110')
    Please let me know if any of my steps are wrong and how to rectify this error and make
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    Thanks for your help.

    I have mentioned the Adapter specific parameters properly.
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       Logical system :  DECCLNT120
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       R/3 system ID : DPI
       Client 100
    Since i am sending the Response of the RFc to the file, i have used a Service interface where i am passing the RFC.Response as Request.
    if i am passing the RFC directly as i/p in Source operation of Operation mapping then it doesn't pick up the response in the souce message of the mapping program present in Operation mapping.
    So i am passing the same SI_Sender_RFC in the Sender Agreement and  it gives the error:
    Error in processing caused by: com.sap.aii.adapter.rfc.afcommunication.RfcAFWException: senderAgreement not found: lookup of binding via CPA-cache failed for AdapterType RFC, AdapterNS http://sap.com/xi/XI/System, direction INBOUND, fromParty '', fromService 'DEC_RFC', toParty '', toService '', interface 'Z_HR_OUTBOUND_DATA2', NS 'urn:sap-com:document:sap:rfc:functions' for channel 'CC_LOTUSNOTES_OUTBOUND_SND_RFC' (channelId c78f5a88787131a09384c07c2db0e93b)
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    Thank you,
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    Hi Les,
    Cache is a temporary storage for recently accessed data.
    Used to enhance query performance.
    Use t-code RSRT to view more on cache.
    Please see this link:
    http://help.sap.com/saphelp_nw04/helpdata/en/41/b987eb1443534ba78a793f4beed9d5/content.htm
    Cache helps to improve query performance. As it can save data in memory, flatfile, cluster table or BLOB.
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    please follow the link which has few good documents on cache. which will clear your complete concept for cache.
    https://service.sap.com/bi -->Product information previous releases -->BI InfoIndex --> OLAP --> you will get bunch of documents in that.
    Look at the following threads :
    OLAP Cache
    what is cache?
    also check RSRT and OLAP cahce docs
    https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/afc59790-0201-0010-9f99-940f7c3934fc
    https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/9f4a452b-0301-0010-8ca6-ef25a095834a
    https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/7c361b95-0501-0010-c0ab-897c5aa14504
    https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/31b6b490-0201-0010-e4b6-a1523327025e
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    ****Assign Points if Helpful****
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    Ravikanth.

  • Error: Sender agreement not found, lookup of binding via CPA-CACHE failed.

    Hi,
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    Regards,
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    Hi Aaron,
    I had the same error and your feedback solved my problem!
    Thank you sooo much!!!!
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  • CPA Cache Monitoring is not working in PCK

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    Hi Aswin
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  • RFC Sender - lookup of alternativeServiceIdentifier via CPA-cache failed

    Hello,
    I am using RFC Sender for a scenario and while sending message I got following error. I found this error while monitoring communication channel. I looked at several posting on this issue and tried with both checking  and not checking check box of advanced mode (RFC sender communication channel configuration). I am getting the same "lookup of alternativeServiceIdentifier via CPA-cache failed" error. How did you resolved?, please let meknow.
    Did any one come across error
    Server 0 0_50478 Sender channel 'CC_GET_CUSTOMER_RFC_SENDER' for party '', service 'SAP_DFR' (internal name 'RfcServer[CC_GET_CUSTOMER_RFC_SENDER]')
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    Repository data: {jco.client.lang=EN, jco.client.snc_mode=0, jco.client.client=120, jco.client.passwd=******, jco.webas.ignore_jdsr_error=1, jco.client.user=XI_RFC_USER, jco.client.sysnr=00, jco.client.ashost=XXXXXXXXXX}
    Current pool size: 1, maximum pool size : 1
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    - Error: 2007-09-20 10:32:14 CDT: com.sap.aii.af.rfc.afcommunication.RfcAFWException: lookup of alternativeServiceIdentifier via CPA-cache failed for channel 'CC_GET_CUSTOMER_RFC_SENDER' (bee9e190f51f3687b1072bf3f5446a70, party '', schema 'TechnicalSystem', identifier 'DFR#120')
    Thank you,
    Balaji

    run tc SXI_cache on the XI
    on that screen press Shift+f6, it will start the refresh....and also do the CPAcahe manually trough the link
    http://itmisapxi:50000/CPACache/refresh?mode=full
    with PIRDIRUSER and then check the interfce....

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    Hello,
    I want to replace my existing 500 GB external HD with a larger one. I will want to have 2 partitions, one for Sample Libraries (additional to Logic from Logic ) and one for my daily Backup.
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    Any general suggestions re make would also be appreciated !
    Thanks,
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    SeaDream wrote:
    Hello,
    I want to replace my existing 500 GB external HD with a larger one. I will want to have 2 partitions, one for Sample Libraries (additional to Logic from Logic ) and one for my daily Backup.
    NOT a good idea.
    Hard drives fail all the time. So if you have your backup and your samples on the same drive and the drive goes down, guess what you lose? EVERYTHING.
    Your backup drive should be a wholly separate drive. And your samples should be on a dedicated drive of their own too (multiple drives if necessary).
    What you want are three hard drives:
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    2) a samples drive (FW, eSATA. Not USB)
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    When your backup drive gets full, put it on the side and buy another one. A great choice for backup drives is the Voyager -- a peripheral that plugs into either USB, FW, or eSATA and accepts raw (inexpensive drives). When the drive fills up you eject it from the unit and plop in another one.
    Finally, you never want to partition a drive that's part of your recording setup. It will kill performance and, as I said above, if the drive goes down you have too much to lose.

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