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from 65b51c6 [refactor][streaming] Reorganised StreamTask#restore method new a93251b [FLINK-22053][core] Allow NumberSequenceSource to have less splits than parallelism. new a31d0fe [FLINK-21935][state backends] Remove async parameter for HashMapStateBackend. new 1c1bf54 [FLINK-21935][state backends] Deprecate 'state.backend.async' options. new 78a6dd6 [hotfix][tests] Remove unused code. The 4 revisions listed above as "new" are entirely new to this repository and will be described in separate emails. The revisions listed as "add" were already present in the repository and have only been added to this reference. Summary of changes: .../generated/checkpointing_configuration.html | 6 -- .../generated/expert_state_backends_section.html | 6 -- .../connector/source/lib/NumberSequenceSource.java | 8 +- .../source/lib/util/IteratorSourceReader.java | 3 + .../flink/configuration/CheckpointingOptions.java | 16 +--- .../tests/DataStreamAllroundTestJobFactory.java | 13 +-- .../StickyAllocationAndLocalRecoveryTestJob.java | 10 +-- .../examples/statemachine/StateMachineExample.java | 4 +- flink-python/pyflink/datastream/state_backend.py | 10 +-- .../pyflink/datastream/tests/test_state_backend.py | 14 ---- .../runtime/state/filesystem/FsStateBackend.java | 43 ++++------ .../runtime/state/hashmap/HashMapStateBackend.java | 92 +-------------------- .../runtime/state/memory/MemoryStateBackend.java | 36 +++------ .../runtime/state/CheckpointStorageLoaderTest.java | 2 - .../runtime/state/HashMapStateBackendTest.java | 11 +-- .../HeapKeyedStateBackendAsyncByDefaultTest.java | 59 -------------- .../runtime/state/StateBackendLoadingTest.java | 16 +--- .../planner/runtime/harness/HarnessTestBase.scala | 1 - .../runtime/utils/StreamingWithStateTestBase.scala | 1 - .../source/lib/IteratorSourcesITCase.java | 94 ---------------------- .../source/lib/NumberSequenceSourceITCase.java | 87 +++++++++++++++----- 21 files changed, 116 insertions(+), 416 deletions(-) delete mode 100644 flink-runtime/src/test/java/org/apache/flink/runtime/state/HeapKeyedStateBackendAsyncByDefaultTest.java delete mode 100644 flink-tests/src/test/java/org/apache/flink/api/connector/source/lib/IteratorSourcesITCase.java