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on 12-11-2017 12:08 PM - edited on 09-07-2018 11:04 AM by Nina.Wolinsky
This error occurs when EUM Server not able to send data to Analytics and then we see following kind of error inside eum-processor.log:
Error code[400], Exception [RestException(statusCode=400, code=BulkError.UpsertLimitExceeded, errorMessage=Bulk upsert errors occurred for account <Account_Name> and event type [SessionRecord], developerMessage={"message":"Bulk upsert errors occurred for account<Account_Name> and event type [SessionRecord]"
...
...
message":"Failed [UpsertLimitException - maximum upserts of [1000] exceeded for docId [<App-Key>...]]
...
This is the issue which is related to UpsertLimitException as we have a limit on the number of upserts that can be called on a single request instance. This is due to the fact that each upsert operation appends additional nested documents to the original parent document and if the number of nested docs grows too large it can adversely affect the performance of ElasticSearch.
To increase the value for this, follow these steps:
Note: ad.es.event.maxUpsertsAllowed property controls how many segments can be inserted into a single document.
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