AdwordsUserListService MutateMembers performance

[Chuck Dusseau]

Hi,

Our client has noticed a drop in throughput since the end of June when using MutateMembers on AdwordsUserListService (v201809) to maintain their audiences. 

They  are looking to get some advice on scaling and increasing their throughput. Currently they are constantly uploading users to a number of user lists, but seem to be unable to do so fast enough.

 

They are asking if it is safe to mutate the same user lists in parallel, and is there anything they should be aware of to ensure that they don't run into issues like concurrent modification errors? Are there any other options available as they are unable to get adequate throughput?

Thanks,

Chuck

[Google Ads API Forum Advisor Prod]

Hi Chuck,

Could you elaborate on what your client meant by "drop in throughput"? Did the client encounter any latency issues when using the AdwordsUserListService?

As for our recommendations, it would be best not to run parallel requests to a single entity as it might indeed cause the CONCURRENT_MODIFICATION error.

Thanks and regards,
Peter
Google Ads API Team

ref:_00D1U1174p._5001UCbbQX:ref

[Chuck Dusseau]

Hi Peter / Support Team,

They have been seeing an increase in the response time when using this operation since June 27th. 

It is not clear to them if this is something on their side or a latency issue with the service. They are looking for advice on how to scale this.

Thanks,

Chuck

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