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Large number of entries in Queue BW0010EC_PCA_1

Former Member
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Dear BW experts,

Our BW system 2004s is extracting data from R3 700. I am a Basis guy and observing large number of entries in SMQ1 in R3 system under Queue BW0010EC_PCA_1. I observe in RSA7 similar number of entries for 0EC_PCA_1.

The number of entries for this queue in SMQ1 everyday are 50000+. The extraction job in BW is running everyday 5:00AM morning in BW but this only clears data which is lying before 2 days (Example on 10.09.2010, it will extract data of 08.09.2010)

My questions

1. Is it ok that such large number of entries lying in queue in SMQ1 and they are extracted once a day by a batch job.Then there is no mean of schedular pushing this entries.

2. Any idea why extraction job only fetches data of 2 days before.any setting somewhere missing.

Many thanks in advance for your valuable comments

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Answers (1)

Answers (1)

Former Member
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Hi,

The entries lying in RSA7 and SMQ1 are one and the same. In SMQ1, BW0010EC_PCA_1 entry means that this data is lying to be sent across to you BW001 client system. Whereas in RSA7, same data is displayed as 0EC_PCA_1.

1. Is it ok that such large number of entries lying in queue in SMQ1 and they are extracted once a day by a batch job.Then there is no mean of schedular pushing this entries.

As I can understand from the data thats lying in your R/3 system in SMQ1, this datasource has delta mode as Direct Delta. SAP recommends that if the number of postings for a particular application is greater than 100000 per day, you should have delta mode as Queued Delta. Since in your system it is in some thousands, therefore BI guys would have kept it as direct delta. So, these entries lying in SMQ1 are not problem at all. As for scheduler from BI, it will pick up these entries every morning to clear the queue for the previous data.

2. Any idea why extraction job only fetches data of 2 days before.any setting somewhere missing.

I dont think that it is only fetching the data for 2 days before. The delta concept works in such a manner that once you have pulled the delta load from RSA7, this data would still be lying there under Repeat delta section until the next delta load has finished successfully.

Since in your system, data is pulled only once a day, therefore even though your today's dataload has pulled yesterday's data, it would still be lying in the system till tomorrow's delta load from RSA7 is successful.

Hope this was helpful.