[Bug] CFP Skipping Changes #43788
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[Bug] CFP Skipping Changes #43788
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API change check APIView has identified API level changes in this PR and created following API reviews. |
…to tvaron3/changeFeedExhaustedRUs
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/azp run java - cosmos - tests |
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Azure Pipelines successfully started running 1 pipeline(s). |
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/azp run java - cosmos - tests |
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Azure Pipelines successfully started running 1 pipeline(s). |
simorenoh
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Jan 21, 2025
...c/test/java/com/azure/cosmos/rx/changefeed/pkversion/IncrementalChangeFeedProcessorTest.java
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sdk/cosmos/azure-cosmos-tests/src/test/java/com/azure/cosmos/CosmosContainerChangeFeedTest.java
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sdk/cosmos/azure-cosmos-tests/src/test/java/com/azure/cosmos/CosmosContainerChangeFeedTest.java
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sdk/cosmos/azure-cosmos-tests/src/test/java/com/azure/cosmos/CosmosContainerChangeFeedTest.java
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nehrao1
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Azure Pipelines successfully started running 1 pipeline(s). |
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Description
Change Feed Processor could skip records if there is throttling on the lease container and some other timing conditions. Change Feed keeps running after receiving a page and attempts to acquire all results. The continuation token gets updated and because it is a shared reference between change feed fetcher and partition processor, some records get skipped without being returned. Additionally, Change Feed Processor is not limiting one request at a time.
Solution
Create a deep copy of the CosmosChangeFeedRequestOptions. Moving the take(1, true) call down to the queryChangeFeed call to correctly only prefetch one page at a time.
Testing
Validated change by using queryChangeFeed with and without take(1,true)
More context: #43701