Priming cache by reporting agent problem

Hello All,
I have few questions regarding article on bwexpertonline for priming the cache.
The article is really great and big help....but i am not getting out put the way it should be.
1) I created a query - which doesnt have any variable/selection screen.
(question here is will it work for those kind of queries which dont have any selection screen/ variant ? ) --> client wants to prime the cache for few queries which dont have variable screen.
2) created web template and which refers the same query and save it in favourite.
3) went to RSA1--> Reporting Agent --> web template --> new setting
gave technical name, in parameter tab i selected two options "data" and "HTML for browser" by selecting the checkbox.
4) i dont have any selection screen so couldnt create any variants
5) mark the check box "fill olap cache if possible"
6) Save it and activated it
7) created scheduling package and drag and drop the reporting agent (which is on the left sideunder the webtemplate)
8) schedule it
9) sm37--> released the job and ran it.
10) job finished successfully
now my question is i dont see any entries for that perticular query in RSRCACHE (TCODE). i tired to run query on web, rsrt but still i dont see any entries in cache.
can you pleasse tell me where i m making mistakes ?? also, if i want to prime cache for lets say 6 queries do i have to create web template for each...and repeat the whole process for each ? how do i do that ? And will need to attach it in process chain so it can be run on daily basis.
Any guidance will be appreciated. I will come back and give points for help.
Thank You in advance...
KSMITH
Message was edited by: Keral Smith

On my system (BW 3.5 SP15) if I have Cache Mode 1 (Main Memory Cache Without Swapping) selected, I don't even have a Persistence Mode setting available - it only becomes available if I choose Cache Modes 2 - 4. Perhaps that's a support package difference.
At any rate, Persistence Mode of 0 - Inactive means:
When the cache memory has been exhausted, data is removed, that is deleted, from the memory (corresponds to cache mode Main Memory Cache Without Swapping).
So one option is that the cache area is simply filling up and the system is purging your Rpt Agent results. I also thought I remembered a setting (or maybe it's a fixed value) that said a cached result could not exceed a % of th ecache size, to avoid having a large single query result flush all others out of the cache.
I would check to see how large the OLAP Cache is on your sandbox. maybe it just needs to be larger.
Also worth checking timestamps (from SAP Help)
- Query generation time (corresponds to the specification under OLAP-Relevant Data)
- Time of the last loading of data into the InfoProvider (last data change)
- Last change to data value set (pre-calculated value set)
- Last master data change for navigation attributes
This time stamp influences the invalidation of the cache. If the last time stamp for a cache entry for the selected query is older than one of the above-named time stamps, then the cache is rebuilt.
Could you be loading Master Data somewhere after the Reporting Agent has run?
Might also be worth telling your client that Information Broadcasting is intended to replace Reporting Agent. RA will not be enhanced.

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Reporting agent problem - need help

Hi Gurus,
I have schedule a job everyday for reporting agent. Which includes 6 reports init with precalculated webtemplate. The reason to use this is that everyday morning the job will run before users use those reports and it will add that in cache so even if users run that reports first time it will be faster in performance.
Once the job is done i can see those entries in cache memory. But when I run the report its not using cache. it takes forever to execute for the first time. after running the report on web i checked the cache entries and i saw strange thing that when i run the report for the first time its replaces the previous entry of that report from cache with the current one. (eg. Reporting Agent job was finished at 4:00am in the morning - i could see the queries in cache memory with my id and time stamp 4:00am. But when i run the report at 7:00am it takes longer time and after running the report if i check cache entry for that perticular report i dont see 4:00am entry instead of that i see 7:00am entry)
Can some one tell me why its acting weird ??

Hi Gurus,
I have schedule a job everyday for reporting agent. Which includes 6 reports init with precalculated webtemplate. The reason to use this is that everyday morning the job will run before users use those reports and it will add that in cache so even if users run that reports first time it will be faster in performance.
Once the job is done i can see those entries in cache memory. But when I run the report its not using cache. it takes forever to execute for the first time. after running the report on web i checked the cache entries and i saw strange thing that when i run the report for the first time its replaces the previous entry of that report from cache with the current one. (eg. Reporting Agent job was finished at 4:00am in the morning - i could see the queries in cache memory with my id and time stamp 4:00am. But when i run the report at 7:00am it takes longer time and after running the report if i check cache entry for that perticular report i dont see 4:00am entry instead of that i see 7:00am entry)
Can some one tell me why its acting weird ??

Reporting AGent problem need help immediately

I have schedule a job everyday for reporting agent. Which includes 6 reports init with precalculated webtemplate. The reason to use this is that everyday morning the job will run before users use those reports and it will add that in cache so even if users run that reports first time it will be faster in performance.
Once the job is done i can see those entries in cache memory. But when I run the report its not using cache. it takes forever to execute for the first time. after running the report on web i checked the cache entries and i saw strange thing that when i run the report for the first time its replaces the previous entry of that report from cache with the current one. (eg. Reporting Agent job was finished at 4:00am in the morning - i could see the queries in cache memory with my id and time stamp 4:00am. But when i run the report at 7:00am it takes longer time and after running the report if i check cache entry for that perticular report i dont see 4:00am entry instead of that i see 7:00am entry)
Can some one tell me why its acting weird ??
FYI: When i created reporting agent setting there are 4 options (checkbox) under calculate section:
1. Data
2. HTML for Web Browser
3. HTML for Pocket IE
4. Excel
in above options i just selected "Data" - will it might be the reason when i run the query on web its not using cache for the first time ??
Message was edited by:
Keral Smith

Also check the SAP Note <a href="https://websmp110.sap-ag.de/form/handler?_APP=01100107900000000342&_EVENT=REDIR&_NNUM=0000751402&nlang=E">751402</a> and the SAP Note <a href="https://websmp110.sap-ag.de/form/handler?_APP=01100107900000000342&_EVENT=REDIR&_NNUM=962651&_NLANG=E">962651</a>.
Symptom
The reusability of the cache is poor when the "Not changeable during query navigation" variable setting is set. A preliminary calculation is not useful in this case.
Other terms
OLAP, cache, cache key, cache entries, reusability, reusage
preliminary calculation, variable not changeable during query navigation
Reason and Prerequisites
The various entries for each variable setting have different keys for "Not changeable during query navigation".
Solution
The key for queries in the OLAP cache comprises the following: "query", "variables not changeable during navigation" and "selection hierarchies".
To reuse cache entries, the cache always returns complete value sets that have already been precalculated and stored or subsets of these value sets. For reusage, the cache can only find subsets of value sets that have already been precalculated and stored if the key for the subset is a subset of the key for the value set that has already been calculated.
If the setting for query variables is set to "Not changeable during query navigation", a separate cache entry is created at the "Variables/hierarchies" cache level for each query selection. To enable this reusage, you must select exactly the same variable selection, since this results in the relevant key. In this case, a similarity check was performed in the cache for a query at variable level. In practice, a preliminary calculation is executed with the "*" variable selection. Usually, a user will choose another variable selection to be output. When you set the variables to "Not changeable during query navigation", you cannot reuse the precalculated value since the key does not correspond.
If the "Changeable during query navigation" variable setting is selected for a query, the variables are no longer part of the "Hierarchy/Variable" key, but rather the selection conditions (which are one cache hierarchy level lower). Therefore, the same "Hierarchy/variable" subtree for the query is selected for each variable selection (if the entry has already been calculated and stored) and checked to see whether the value set (or a subset) is considered to be a resulting set. If a value set with "*" was now selected with the preliminary calculation, this could be reused by selecting and returning the relevant value set for the subselection.
For increased reusability, the variable setting should be set to "Changeable during query navigation" and the preliminary calculation should take place with "*".
However, you should note that the preliminary calculation must have selected actual supersets. The OLAP processor only examines subset relationships in the cache. The system does not search and "merge" several different cache entries to determine the results of a query (therefore a multi-dimensional approach is not possible either).

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Message was edited by: Immadi Hari

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