[ 
https://issues.apache.org/jira/browse/FLINK-13598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17444516#comment-17444516
 ] 

Robert Metzger commented on FLINK-13598:
----------------------------------------

It seems that frocksdb 6.20.3 only adds ARM support for linux, not for osx.
On an M1 mac, I get this error:

{code:java}
java.lang.Exception: Exception while creating StreamOperatorStateContext.
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:255)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:268)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.initializeStateAndOpenOperators(RegularOperatorChain.java:109)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.restoreGates(StreamTask.java:711)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.call(StreamTaskActionExecutor.java:55)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.restoreInternal(StreamTask.java:687)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:654)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:958)
 ~[flink-runtime-1.14.0.jar:1.14.0]
        at 
org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:927) 
~[flink-runtime-1.14.0.jar:1.14.0]
        at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:766) 
~[flink-runtime-1.14.0.jar:1.14.0]
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:575) 
~[flink-runtime-1.14.0.jar:1.14.0]
        at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_312]
Caused by: org.apache.flink.util.FlinkException: Could not restore keyed state 
backend for StreamFlatMap_c21234bcbf1e8eb4c61f1927190efebd_(1/1) from any of 
the 1 provided restore options.
        at 
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:160)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:346)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:164)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        ... 11 more
Caused by: java.io.IOException: Could not load the native RocksDB library
        at 
org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.ensureRocksDBIsLoaded(EmbeddedRocksDBStateBackend.java:882)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.createKeyedStateBackend(EmbeddedRocksDBStateBackend.java:402)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.contrib.streaming.state.RocksDBStateBackend.createKeyedStateBackend(RocksDBStateBackend.java:345)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.contrib.streaming.state.RocksDBStateBackend.createKeyedStateBackend(RocksDBStateBackend.java:87)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.lambda$keyedStatedBackend$1(StreamTaskStateInitializerImpl.java:329)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:168)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:135)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:346)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:164)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        ... 11 more
Caused by: java.lang.UnsatisfiedLinkError: 
/private/var/folders/js/yfk_y2450q7559kygttykwk00000gn/T/rocksdb-lib-5783c058ce68d31d371327abc9b51cac/librocksdbjni-osx.jnilib:
 
dlopen(/private/var/folders/js/yfk_y2450q7559kygttykwk00000gn/T/rocksdb-lib-5783c058ce68d31d371327abc9b51cac/librocksdbjni-osx.jnilib,
 0x0001): tried: 
'/private/var/folders/js/yfk_y2450q7559kygttykwk00000gn/T/rocksdb-lib-5783c058ce68d31d371327abc9b51cac/librocksdbjni-osx.jnilib'
 (mach-o file, but is an incompatible architecture (have 'x86_64', need 
'arm64e')), '/usr/lib/librocksdbjni-osx.jnilib' (no such file)
        at java.lang.ClassLoader$NativeLibrary.load(Native Method) 
~[?:1.8.0_312]
        at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1950) 
~[?:1.8.0_312]
        at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1832) 
~[?:1.8.0_312]
        at java.lang.Runtime.load0(Runtime.java:811) ~[?:1.8.0_312]
        at java.lang.System.load(System.java:1088) ~[?:1.8.0_312]
        at 
org.rocksdb.NativeLibraryLoader.loadLibraryFromJar(NativeLibraryLoader.java:79) 
~[frocksdbjni-6.20.3-ververica-1.0.jar:?]
        at 
org.rocksdb.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:57) 
~[frocksdbjni-6.20.3-ververica-1.0.jar:?]
        at 
org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.ensureRocksDBIsLoaded(EmbeddedRocksDBStateBackend.java:856)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.createKeyedStateBackend(EmbeddedRocksDBStateBackend.java:402)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.contrib.streaming.state.RocksDBStateBackend.createKeyedStateBackend(RocksDBStateBackend.java:345)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.contrib.streaming.state.RocksDBStateBackend.createKeyedStateBackend(RocksDBStateBackend.java:87)
 ~[flink-statebackend-rocksdb_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.lambda$keyedStatedBackend$1(StreamTaskStateInitializerImpl.java:329)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:168)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:135)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:346)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        at 
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:164)
 ~[flink-streaming-java_2.11-1.14.0.jar:1.14.0]
        ... 11 more
{code}

> frocksdb doesn't have arm release 
> ----------------------------------
>
>                 Key: FLINK-13598
>                 URL: https://issues.apache.org/jira/browse/FLINK-13598
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / State Backends
>    Affects Versions: 1.9.0
>            Reporter: wangxiyuan
>            Assignee: Mika Naylor
>            Priority: Major
>             Fix For: 1.14.0
>
>         Attachments: image-2020-08-20-09-22-24-021.png
>
>
> Flink now uses frocksdb which forks from rocksdb  for module 
> *flink-statebackend-rocksdb*. It doesn't contain arm release.
> Now rocksdb supports ARM from 
> [v6.2.2|https://search.maven.org/artifact/org.rocksdb/rocksdbjni/6.2.2/jar]
> Can frocksdb release an ARM package as well?
> Or AFAK, Since there were some bugs for rocksdb in the past, so that Flink 
> didn't use it directly. Have the bug been solved in rocksdb already? Can 
> Flink re-use rocksdb again now?



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