[jira] [Created] (KAFKA-4579) Schema Registry client should have a proper caching mechanism for schema IDs

["Justin Manchester (JIRA)" <ji...@apache.org>]

Justin Manchester created KAFKA-4579:
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             Summary: Schema Registry client should have a proper caching mechanism for schema IDs
                 Key: KAFKA-4579
                 URL: https://issues.apache.org/jira/browse/KAFKA-4579
             Project: Kafka
          Issue Type: Bug
          Components: clients
    Affects Versions: 0.10.1.1
         Environment: Kafka version: 10.0.1
JVM: 1.8
OS: Ubuntu 14.01 LTS
            Reporter: Justin Manchester


Problem:

Currently the Schema Registry client does not have a proper caching mechanism for Schema IDs.  This regularly leads to users writing producers which do not reuses schema ID's and which then crash with the following:

Caused by: java.lang.IllegalStateException: Too many schema objects created 

Suggested solution:  It would better if we had a proper caching mechanism in place to prevent hard crashes.  This often leads to data loss, and the concept of reusing schema ID's is not always intuitive to users.



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