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ASF GitHub Bot logged work on BEAM-8157: ---------------------------------------- Author: ASF GitHub Bot Created on: 05/Sep/19 17:25 Start Date: 05/Sep/19 17:25 Worklog Time Spent: 10m Work Description: tweise commented on pull request #9484: [BEAM-8157] Remove length prefix from state key for Flink's state backend URL: https://github.com/apache/beam/pull/9484#discussion_r321387508 ########## File path: runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/ExecutableStageDoFnOperator.java ########## @@ -343,11 +343,11 @@ public void clear(K key, W window) { } private void prepareStateBackend(K key) { - // Key for state request is shipped already encoded as ByteString, - // this is mostly a wrapping with ByteBuffer. We still follow the - // usual key encoding procedure. - // final ByteBuffer encodedKey = FlinkKeyUtils.encodeKey(key, keyCoder); - final ByteBuffer encodedKey = ByteBuffer.wrap(key.toByteArray()); + // Key for state request is shipped already encoded as ByteString, but it is Review comment: There is something that I'm missing. State and timers work as of release 2.14 with Flink 1.8. What has caused it to break? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 307355) Time Spent: 1h 50m (was: 1h 40m) > Flink state requests return wrong state in timers when encoded key is > length-prefixed > ------------------------------------------------------------------------------------- > > Key: BEAM-8157 > URL: https://issues.apache.org/jira/browse/BEAM-8157 > Project: Beam > Issue Type: Bug > Components: runner-flink > Affects Versions: 2.13.0 > Reporter: Maximilian Michels > Assignee: Maximilian Michels > Priority: Major > Fix For: 2.16.0 > > Time Spent: 1h 50m > Remaining Estimate: 0h > > Due to multiple changes made in BEAM-7126, the Flink internal key encoding is > broken when the key is encoded with a length prefix. The Flink runner > requires the internal key to be encoded without a length prefix. -- This message was sent by Atlassian Jira (v8.3.2#803003)