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ASF GitHub Bot logged work on HIVE-26539: ----------------------------------------- Author: ASF GitHub Bot Created on: 10/Oct/22 02:54 Start Date: 10/Oct/22 02:54 Worklog Time Spent: 10m Work Description: dengzhhu653 commented on code in PR #3605: URL: https://github.com/apache/hive/pull/3605#discussion_r990886739 ########## ql/src/java/org/apache/hadoop/hive/ql/exec/SerializationUtilities.java: ########## @@ -228,6 +230,27 @@ public void setConf(Configuration conf) { public Configuration getConf() { return configuration; } + + @Override + public com.esotericsoftware.kryo.Registration getRegistration(Class type) { Review Comment: I think so, `getRegistration` is place for check whether an unregistered class is encountered when `registrationRequired` is set to true: https://github.com/EsotericSoftware/kryo/blob/master/src/com/esotericsoftware/kryo/Kryo.java#L552-L556 However we cannot simply enable `registrationRequired` for UDF deserialization, as non-transient fields in the UDF are arbitrary, it's difficult to confine the inputs. Thank you for the review and comments! Issue Time Tracking ------------------- Worklog Id: (was: 815079) Time Spent: 50m (was: 40m) > Kryo deserialization improvements > --------------------------------- > > Key: HIVE-26539 > URL: https://issues.apache.org/jira/browse/HIVE-26539 > Project: Hive > Issue Type: Improvement > Reporter: Zhihua Deng > Assignee: Zhihua Deng > Priority: Major > Labels: pull-request-available > Time Spent: 50m > Remaining Estimate: 0h > -- This message was sent by Atlassian Jira (v8.20.10#820010)